LOCAL CLIMATOLOGICAL DATA Monthly Summary August 2026 Station: Pasadena 2N Latitude: 39° 08' 31" N Longitude: 76° 30' 27" W Elevation (ground): 43 feet Time Zone: Eastern +--+-------------------------------+----+---------+---------+--+-----------+--------------------+-----------------------------+------+ | | Temperature | |Deg. Days|Precip Ty| | Precip | Pressure | Wind |Solar | | +------+------+------+------+---+ Hu-+----+----+1 fog | S+-----+-----+ Adj. to Sea Level +----+----+---+-------+-------+------+ | | M | M | A | | |mid-| H | C |2 hvy fog| n| | Ice +------+------+------+ Avg| Res|Res| Peak |2Minute| Mean | | | a | i | v | | D | ity| e | o |3 thunder| o|Water| plts| | | | | | +---+---+---+---+ W | | | x | n | e | | e | | a | o |4 ice plt| w| | | | | | S | S | | S | | S | | a | | D| i | i | r | M | w | M | t | l |5 hail | | E | S | | | M | p | p | | p | | p | | t | | a| m | m | a | e | | e | i | i |6 glaze | C| q | n | M | M | e | e | e | D | e | D | e | D | t | | t| u | u | g | a | P | a | n | n |7 duststm| v| u | o | a | i | a | e | e | i | e | i | e | i | s | | e| m | m | e | n | t | n | g | g |8 smk, hz| r| v | w | x | n | n | d | d | r | d | r | d | r | m² | | | | | | | | | | |9 blw snw| | | | | | | | | | | | | | | | 1| 2 | 3 | 4A | 4B | 5 | 6 | 7 | 8 | 9 |10| 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18| 19| 20| 21| 22| 23 | +--+------+------+------+------+---+----+----+----+---------+--+-----+-----+------+------+------+----+----+---+---+---+---+---+------+ |01| 88.0 | 67.3 | 77.7 | 78.0 | 72| 83| 0| 13|.........| 0| 0.00| 0.0| 29.94| 29.84|29.896| 1.9| 1.9|101| 16|ESE| 9|118| 146 | |02| 85.6 | 74.1 | 79.8 | 78.1 | 75| 89| 0| 15|.........| 0| 1.05| 0.0| 29.89| 29.72|29.810| 2.3| 2.3|108| 16|ESE| 8| 98| 69 | |03| 89.7 | 74.7 | 82.2 | 80.2 | 76| 89| 0| 18|.........| 0| 0.00| 0.0| 29.93| 29.70|29.777| 1.4| 0.9|190| 13|WSW| 5|196| 160 | |04| 86.4 | 72.7 | 79.6 | 78.3 | 71| 78| 0| 15|.........| 0| 0.00| 0.0| 30.08| 29.93|30.035| 2.0| 2.0| 23| 15| NE| 7| 19| 193 | |05| 86.2 | 73.7 | 79.9 | 79.1 | 77| 92| 0| 15|.........| 0| 0.89| 0.0| 30.08| 30.01|30.057| 1.5| 1.4|101| 16| SE| 7|129| 147 | | | | | | | | | | | | | | | | | | | | | | | | | | |06| 92.0 | 76.4 | 84.2*| 82.4 | 78| 87| 0| 19|.........| 0| 0.00| 0.0| 30.12| 30.04|30.075| 1.6| 1.3|127| 13| E| 7|120| 145 | |07| 91.6 | 72.3 | 81.9 | 79.8 | 76| 89| 0| 17|.........| 0| 0.12| 0.0| 30.12| 30.00|30.075| 1.0| 0.7|108| 13| SE| 6| 75| 163 | |08| 90.6 | 71.6 | 81.1 | 78.6 | 75| 89| 0| 17|.........| 0| 0.01| 0.0| 30.04| 29.93|29.999| 0.9| 0.2|341| 25| W| 9| 23| 156 | |09| 93.5*| 72.5 | 83.0 | 81.1 | 74| 81| 0| 19|.........| 0| 0.00| 0.0| 30.00| 29.94|29.971| 0.9| 0.8|235| 11| W| 6|247| 184 | |10| 91.6 | 70.8 | 81.2 | 77.5 | 73| 87| 0| 17|.........| 0| 0.41| 0.0| 30.03| 29.89|29.973| 1.1| 0.3| 92| 20| SW| 11|240| 149 | | | | | | | | | | | | | | | | | | | | | | | | | | |11| 88.1 | 69.6 | 78.8 | 77.4 | 72| 84| 0| 14|.........| 0| 0.01| 0.0| 29.96| 29.82|29.883| 1.3| 0.8|191| 11| SW| 6|156| 163 | |12| 87.1 | 72.0 | 79.6 | 78.1 | 71| 80| 0| 15|.........| 0| 0.00| 0.0| 29.88| 29.80|29.832| 0.8| 0.5| 35| 11|ENE| 5| 52| 185 | |13| 89.8 | 71.9 | 80.9 | 79.4 | 73| 80| 0| 16|.........| 0| 0.00| 0.0| 29.97| 29.81|29.870| 1.0| 0.4|256| 12|WSW| 7| 8| 157 | |14| 83.2 | 73.7 | 78.4 | 77.8 | 74| 87| 0| 14|.........| 0| 0.00| 0.0| 30.05| 29.94|30.001| 0.4| 0.4| 1| 7| N| 4| 17| 62 | |15| 87.6 | 69.1 | 78.3 | 77.0 | 71| 83| 0| 14|.........| 0| 0.00| 0.0| 30.15| 30.05|30.096| 1.0| 1.0| 17| 11|NNE| 7| 13| 182 | | | | | | | | | | | | | | | | | | | | | | | | | | |16| 77.4 | 72.3 | 74.9 | 75.4 | 73| 93| 0| 10|.........| 0| 0.07| 0.0| 30.10| 29.84|29.996| 1.3| 1.3|119| 22| SE| 9|135| 34 | |17| 92.2 | 73.7 | 82.9 | 79.8 | 76| 89| 0| 18|.........| 0| 0.05| 0.0| 29.84| 29.76|29.806| 1.0| 1.0|240| 13|WSW| 6|254| 138 | |18| 87.8 | 70.8 | 79.3 | 77.6 | 74| 88| 0| 15|.........| 0| 0.00| 0.0| 29.89| 29.79|29.846| 0.7| 0.4|349| 11|WSW| 5|252| 111 | |19| 89.3 | 64.9 | 77.1 | 76.5 | 68| 78| 0| 12|.........| 0| 0.01| 0.0| 29.92| 29.87|29.894| 0.9| 0.9|245| 13|WSW| 6|261| 181 | |20| 89.0 | 69.3 | 79.2 | 75.4 | 72| 90| 0| 14|.........| 0| 0.36| 0.0| 30.00| 29.81|29.921| 1.3| 0.3|319| 18|WSW| 8|263| 103 | | | | | | | | | | | | | | | | | | | | | | | | | | |21| 81.9 | 64.3 | 73.1 | 72.1 | 65| 80| 0| 8|.........| 0| 0.01| 0.0| 30.10| 29.98|30.033| 1.3| 0.9|349| 10|WSW| 6| 22| 169 | |22| 79.3 | 67.1 | 73.2 | 71.7 | 69| 92| 0| 8|.........| 0| 0.26| 0.0| 30.02| 29.84|29.949| 1.1| 1.0| 60| 10| SE| 6| 36| 93 | |23| 85.5 | 64.3 | 74.9 | 73.5 | 67| 81| 0| 10|.........| 0| 0.14| 0.0| 29.90| 29.77|29.833| 1.3| 1.2|233| 13| W| 7|211| 179 | |24| 82.8 | 59.3 | 71.1 | 70.1 | 63| 79| 0| 6|.........| 0| 0.00| 0.0| 30.00| 29.89|29.932| 0.7| 0.4|239| 12| S| 6|260| 127 | |25| 84.4 | 57.4*| 70.9*| 69.8 | 62| 78| 0| 6|.........| 0| 0.00| 0.0| 30.06| 29.98|30.014| 0.9| 0.8|247| 16|SSE| 6|210| 158 | | | | | | | | | | | | | | | | | | | | | | | | | | |26| 85.3 | 61.0 | 73.2 | 72.8 | 67| 82| 0| 8|.........| 0| 0.00| 0.0| 30.08| 29.97|30.031| 1.4| 1.3|102| 18|SSE| 9|128| 168 | |27| | | | | | | | | | | | | | | | | | | | | | | | |28| | | | | | | | | | | | | | | | | | | | | | | | |29| | | | | | | | | | | | | | | | | | | | | | | | |30| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |31| | | | | | | | | | | | | | | | | | | | | | | | +--+------+------+------+------+---+----+----+----+---------+--+-----+-----+------+------+------+----+----+---+---+---+---+---+------+ | Sum | Sum |------|------|---|----| Ttl| Ttl| |Total|Total| For the month: | ---- | +------+------+------+------+---+----+----+----+ Number of +-----+-----+------+------+------+----+----+---+---+---+---+---+------+ |2265.9|1806.8|------|------|---|----| 0| 353| Days | 3.39| 0.0| 30.15| 29.71|30.006| 1.2| 0.3|100| 25| W| 11|240| ---- | +------+------+------+------+---+----+----+----+------------+-----+-----+------+------+------+----+----+---+---+---+---+---+------+ | Avg | Avg | Avg | Mean |Avg| Avg|----|----|Precip | Season Ttl| Date | Date |------|----|----|---| Date | Date | Avg | +------+------+------+------+---+----+----+----+ +-----+-----+------+------+------+----+----+---+-------+-------+------+ | 87.1| 69.5| 78.3 | 76.8 | 72|84.9|----|----|≥.01 Inch 13|24.64| 0.0| 15 | 3 |------|----|----|---| 8 | 10 | 143| +------+------+------+------+---+----+----+----+------------+-----+-----+------+------+------+----+----+---+-------+-------+------+ | | Season |Snow, Ice | | | | Number of Days | to Date |≥1.0 Inch 0| Greatest in 24 Hours and Dates | Greatest Depth on Ground | +------------------+-----------------+----+----+------------+--------------+-----------------+ of Snow, Ice Pellets or Ice | | Max Temperature | Min Temperature | 0|1293|Thunder 0|Precipitation | Snow, Ice Plts | and Date | +--------+---------+--------+--------+----+----+------------+-------+------+---------+-------+-------------+----------------------+ | ≥90°F | ≤32°F | ≤32°F | ≤0°F |----|----|Heavy Fog 0| 1.05| 2 | 0.0 | - | 0 | - | +--------+---------+--------+--------+----+----+------------+-------+------+---------+----+--+-------------+----------------------+ | 8 | 0 | 0 | 0 |----|----| Clear 0 Partly Cloudy 0 Cloudy 0 | +--------+---------+--------+--------+----+----+------------------------------------------+ NOTES: Units: Temperature=°F, Wind=mph, Pressure=Inches Hg, Precipitation=inches. Column 4A: value is (MAX+MIN) / 2. Data in columns 4B, 5, 6, 15, 16, 23 are updated continuously, there by achieving a "true" mean. Column 5: Dew point is calculated from temperature and humidity and is continuously averaged for 24 hours. Columns 7, 8: Degree Days heating base is 65°F, cooling base is 65°F. Data in columns 9, 10, 12 are entered manually by the station observer. Columns 17-18: Resultant wind is calculated by the vector sum of continuous wind observations.OBSERVATIONS AT 3-HOUR INTERVALS August 2026: Pasadena 2N +--+----+-----+-----+---+---+---+----------+----+-----+-----+---+---+---+----------+----+-----+-----+---+---+---+----------+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | T | | | Wind | | | | T | | | Wind | | | | T | | | Wind | | | | | R | e | | % +--+---+---+ | | R | e | | % +--+---+---+ | | R | e | | % +--+---+---+ | | | | a | m | D | | D| | | | | a | m | D | | D| | | | | a | m | D | | D| | | | | S | P | i | p | e | H | i| | | S | P | i | p | e | H | i| | | S | P | i | p | e | H | i| | | | | u | r | n | e | w | u | r| | | u | r | n | e | w | u | r| | | u | r | n | e | w | u | r| | | | | n | e | f | r | | m | e| | | n | e | f | r | | m | e| | | n | e | f | r | | m | e| | | | | s | s | a | a | P | i | c| S | | s | s | a | a | P | i | c| S | | s | s | a | a | P | i | c| S | | | H| h | s | l | t | o | d | t| p | G | h | s | l | t | o | d | t| p | G | h | s | l | t | o | d | t| p | G | | o| i | u | l | u | i | i | i| e | u | i | u | l | u | i | i | i| e | u | i | u | l | u | i | i | i| e | u | | u| n | r | | r | n | t | o| e | s | n | r | | r | n | t | o| e | s | n | r | | r | n | t | o| e | s | | r| e | e | Rate| e | t | y | n| d | t | e | e | Rate| e | t | y | n| d | t | e | e | Rate| e | t | y | n| d | t | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | AUG 1 | AUG 2 | AUG 3 | | | | | |00| 0|29.92| 0.00| 72| 69| 90|05| 0| 0| 0|29.88| 0.00| 80| 75| 86|13| 3| 10| 0|29.72| 0.00| 75| 74| 98|10| 2| 4| |03| 0|29.93| 0.00| 70| 67| 92|11| 0| 0| 0|29.86| 0.00| 78| 72| 81|11| 2| 13| 0|29.71| 0.00| 76| 75| 99|15| 1| 10| |06| 0|29.92| 0.00| 68| 66| 95|11| 0| 0| 0|29.86| 0.00| 78| 74| 87|09| 0| 7| 0|29.71| 0.00| 76| 75| 99|12| 0| 4| |09| 81|29.93| 0.00| 75| 73| 92|11| 0| 2| 197|29.85| 0.00| 81| 76| 87|09| 4| 14| 153|29.75| 0.00| 77| 76| 99|20| 1| 10| |12| 831|29.91| 0.00| 86| 77| 74|09| 4| 9| 306|29.83| 0.00| 82| 77| 83|09| 2| 10| 304|29.76| 0.00| 84| 79| 85|26| 1| 10| |15| 325|29.89| 0.00| 85| 76| 73|12| 2| 11| 91|29.79| 0.04| 79| 77| 93|10| 0| 0| 891|29.77| 0.00| 87| 77| 74|21| 1| 6| |18| 197|29.86| 0.00| 85| 74| 71|10| 3| 9| 25|29.74| 0.06| 76| 75| 96|32| 0| 2| 394|29.81| 0.00| 87| 79| 78|10| 0| 5| |21| 0|29.85| 0.00| 80| 74| 80|08| 2| 11| 0|29.74| 0.00| 74| 74| 98|10| 1| 3| 0|29.88| 0.00| 81| 77| 88|07| 0| 1| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | AUG 4 | AUG 5 | AUG 6 | | | | | |00| 0|29.93| 0.00| 76| 72| 86|11| 0| 1| 0|30.07| 0.00| 74| 70| 89|07| 0| 4| 0|30.07| 0.00| 78| 76| 95|11| 0| 0| |03| 0|29.99| 0.00| 76| 69| 79|03| 4| 13| 0|30.06| 0.00| 76| 73| 92|05| 1| 3| 0|30.06| 0.00| 77| 76| 96|29| 1| 4| |06| 0|30.01| 0.00| 73| 66| 80|01| 3| 6| 0|30.06| 0.07| 76| 74| 95|07| 0| 1| 0|30.06| 0.00| 77| 75| 96|13| 2| 7| |09| 51|30.05| 0.00| 76| 68| 76|01| 1| 11| 37|30.08| 0.19| 77| 76| 97|08| 1| 3| 42|30.09| 0.00| 81| 78| 91|23| 2| 7| |12| 828|30.07| 0.00| 80| 71| 74|02| 3| 9| 478|30.08| 0.00| 79| 78| 98|12| 5| 9| 824|30.10| 0.00| 89| 81| 78|08| 2| 7| |15| 800|30.05| 0.00| 85| 74| 71|01| 4| 8| 846|30.04| 0.00| 85| 81| 89|11| 3| 11| 204|30.07| 0.00| 86| 80| 81|32| 0| 3| |18| 127|30.05| 0.00| 84| 74| 73|05| 0| 4| 357|30.02| 0.00| 86| 80| 85|11| 5| 11| 301|30.04| 0.00| 87| 80| 79|09| 4| 10| |21| 0|30.06| 0.00| 77| 72| 84|05| 0| 0| 0|30.04| 0.00| 81| 78| 92|12| 2| 6| 0|30.07| 0.00| 81| 76| 85|22| 0| 0| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | AUG 7 | AUG 8 | AUG 9 | | | | | |00| 0|30.12| 0.00| 77| 75| 93|19| 1| 3| 0|30.04| 0.00| 76| 75| 97|01| 0| 0| 0|29.97| 0.00| 76| 74| 95|10| 0| 0| |03| 0|30.10| 0.00| 74| 72| 94|20| 0| 0| 0|30.00| 0.00| 73| 72| 97|01| 0| 0| 0|29.95| 0.00| 73| 72| 94|10| 0| 0| |06| 0|30.10| 0.00| 72| 71| 96|20| 0| 0| 0|30.02| 0.00| 72| 71| 98|01| 0| 0| 0|29.97| 0.00| 73| 72| 96|12| 0| 0| |09| 40|30.12| 0.00| 79| 76| 90|24| 1| 4| 39|30.04| 0.00| 76| 75| 98|22| 1| 4| 62|30.00| 0.00| 79| 77| 92|24| 1| 7| |12| 420|30.09| 0.00| 88| 80| 78|14| 2| 9| 761|30.03| 0.00| 87| 80| 78|15| 1| 3| 761|30.00| 0.00| 88| 79| 74|26| 1| 6| |15| 795|30.04| 0.00| 91| 83| 77|07| 2| 9| 759|30.00| 0.00| 85| 77| 78|03| 2| 14| 791|29.97| 0.00| 92| 77| 60|25| 1| 8| |18| 7|30.05| 0.00| 81| 76| 83|23| 1| 7| 118|29.95| 0.00| 82| 76| 83|08| 1| 4| 332|29.95| 0.00| 91| 75| 59|27| 1| 7| |21| 0|30.05| 0.00| 76| 75| 96|01| 0| 0| 0|29.95| 0.00| 79| 76| 91|10| 0| 0| 0|29.96| 0.00| 78| 72| 84|24| 0| 0| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | AUG 10 | AUG 11 | AUG 12 | | | | | |00| 0|29.99| 0.00| 74| 72| 91|24| 0| 0| 0|29.95| 0.00| 71| 70| 96|20| 2| 7| 0|29.84| 0.00| 75| 70| 85|20| 0| 0| |03| 0|29.99| 0.00| 73| 71| 92|24| 0| 0| 0|29.91| 0.00| 70| 69| 96|21| 1| 6| 0|29.83| 0.00| 73| 69| 89|19| 1| 5| |06| 0|29.98| 0.00| 71| 69| 95|24| 0| 0| 0|29.94| 0.00| 70| 69| 97|19| 0| 0| 0|29.81| 0.00| 75| 71| 87|26| 1| 6| |09| 74|30.01| 0.00| 78| 75| 91|19| 0| 0| 139|29.88| 0.00| 74| 72| 92|06| 0| 3| 139|29.86| 0.00| 76| 72| 87|26| 0| 2| |12| 693|30.00| 0.00| 86| 77| 74|35| 1| 7| 693|29.92| 0.00| 81| 74| 78|18| 3| 11| 464|29.87| 0.00| 82| 73| 74|03| 4| 8| |15| 717|29.92| 0.00| 91| 80| 69|08| 2| 7| 710|29.85| 0.00| 87| 76| 70|12| 3| 7| 701|29.84| 0.00| 86| 73| 65|07| 2| 6| |18| 7|29.93| 0.06| 73| 71| 93|03| 2| 6| 121|29.82| 0.00| 85| 76| 75|20| 1| 3| 271|29.81| 0.00| 85| 73| 67|08| 3| 8| |21| 0|29.97| 0.00| 72| 71| 96|19| 1| 6| 0|29.83| 0.00| 78| 71| 79|24| 1| 5| 0|29.82| 0.00| 77| 71| 83|08| 0| 2| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | AUG 13 | AUG 14 | AUG 15 | | | | | |00| 0|29.83| 0.00| 75| 72| 89|15| 0| 4| 0|29.97| 0.00| 76| 73| 91|03| 0| 0| 0|30.05| 0.00| 74| 71| 91|01| 0| 0| |03| 0|29.81| 0.00| 75| 71| 89|19| 0| 1| 0|29.96| 0.00| 75| 73| 93|03| 0| 0| 0|30.06| 0.00| 71| 69| 94|01| 0| 0| |06| 0|29.83| 0.00| 73| 69| 88|20| 0| 2| 0|29.99| 0.00| 74| 72| 93|03| 0| 0| 0|30.07| 0.00| 71| 69| 95|34| 1| 3| |09| 58|29.88| 0.00| 78| 71| 80|23| 1| 6| 70|30.01| 0.00| 78| 73| 84|03| 2| 5| 62|30.11| 0.00| 76| 72| 88|02| 4| 7| |12| 183|29.88| 0.00| 84| 73| 70|32| 1| 5| 137|30.03| 0.00| 80| 74| 82|34| 1| 4| 715|30.15| 0.00| 81| 74| 80|04| 3| 9| |15| 731|29.87| 0.00| 90| 74| 61|08| 1| 5| 237|30.00| 0.00| 82| 75| 80|35| 1| 4| 698|30.11| 0.00| 85| 74| 69|01| 0| 5| |18| 225|29.88| 0.00| 85| 76| 75|05| 1| 4| 148|29.99| 0.00| 80| 75| 86|01| 0| 2| 241|30.08| 0.00| 86| 71| 62|05| 2| 5| |21| 0|29.91| 0.00| 77| 73| 87|03| 0| 0| 0|30.03| 0.00| 78| 73| 86|01| 0| 0| 0|30.10| 0.00| 74| 69| 85|05| 0| 0| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | AUG 16 | AUG 17 | AUG 18 | | | | | |00| 0|30.10| 0.00| 72| 70| 92|09| 0| 3| 0|29.84| 0.00| 75| 74| 96|12| 0| 3| 0|29.82| 0.00| 74| 73| 96|25| 0| 0| |03| 0|30.07| 0.00| 76| 74| 94|11| 2| 6| 0|29.80| 0.00| 75| 74| 97|19| 0| 6| 0|29.80| 0.00| 72| 72| 97|25| 0| 0| |06| 0|30.05| 0.00| 76| 73| 91|10| 1| 8| 0|29.79| 0.00| 74| 73| 97|23| 1| 5| 0|29.81| 0.00| 71| 71| 98|25| 0| 0| |09| 49|30.07| 0.00| 77| 74| 90|13| 2| 5| 42|29.84| 0.00| 78| 76| 92|25| 1| 5| 44|29.86| 0.00| 76| 74| 95|02| 2| 5| |12| 165|30.04| 0.00| 75| 72| 90|10| 1| 8| 204|29.84| 0.00| 85| 78| 82|23| 2| 5| 380|29.88| 0.00| 83| 78| 85|03| 1| 5| |15| 95|29.98| 0.00| 73| 71| 93|12| 4| 10| 281|29.79| 0.00| 91| 78| 66|22| 6| 13| 257|29.85| 0.00| 84| 78| 80|35| 1| 3| |18| 56|29.92| 0.00| 75| 73| 94|10| 0| 0| 58|29.77| 0.00| 88| 80| 78|24| 0| 2| 232|29.85| 0.00| 86| 75| 69|31| 1| 7| |21| 0|29.87| 0.00| 77| 75| 92|12| 2| 8| 0|29.80| 0.00| 77| 75| 95|25| 0| 0| 0|29.87| 0.00| 76| 71| 84|28| 0| 0| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+MAXIMUM SHORT DURATION PRECIPITATION +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ | Time Period (minutes) | 5 | 10 | 15 | 20 | 30 | 45 | 60 | 80 | 100 | 120 | 150 | 180 | +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ | Precipitation | 0.41 | 0.41 | 0.41 | 0.41 | 0.41 | 0.41 | 0.41 | 0.46 | 0.52 | 0.71 | 0.76 | 0.81 | +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ | Ended: Date | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 05 | 05 | 02 | 02 | 02 | +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ | Ended: Time | 0001 | 0001 | 0001 | 0001 | 0001 | 0001 | 0001 | 1033 | 1033 | 2007 | 2009 | 2009 | +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ The precipitation amounts for the indicated time intervals may occur at any time during the month. The time indicated is the ending time of the interval. Date and time are not entered for trace amounts.OBSERVATIONS AT 3-HOUR INTERVALS August 2026: Pasadena 2N +--+----+-----+-----+---+---+---+----------+----+-----+-----+---+---+---+----------+----+-----+-----+---+---+---+----------+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | T | | | Wind | | | | T | | | Wind | | | | T | | | Wind | | | | | R | e | | % +--+---+---+ | | R | e | | % +--+---+---+ | | R | e | | % +--+---+---+ | | | | a | m | D | | D| | | | | a | m | D | | D| | | | | a | m | D | | D| | | | | S | P | i | p | e | H | i| | | S | P | i | p | e | H | i| | | S | P | i | p | e | H | i| | | | | u | r | n | e | w | u | r| | | u | r | n | e | w | u | r| | | u | r | n | e | w | u | r| | | | | n | e | f | r | | m | e| | | n | e | f | r | | m | e| | | n | e | f | r | | m | e| | | | | s | s | a | a | P | i | c| S | | s | s | a | a | P | i | c| S | | s | s | a | a | P | i | c| S | | | H| h | s | l | t | o | d | t| p | G | h | s | l | t | o | d | t| p | G | h | s | l | t | o | d | t| p | G | | o| i | u | l | u | i | i | i| e | u | i | u | l | u | i | i | i| e | u | i | u | l | u | i | i | i| e | u | | u| n | r | | r | n | t | o| e | s | n | r | | r | n | t | o| e | s | n | r | | r | n | t | o| e | s | | r| e | e | Rate| e | t | y | n| d | t | e | e | Rate| e | t | y | n| d | t | e | e | Rate| e | t | y | n| d | t | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | AUG 19 | AUG 20 | AUG 21 | | | | | |00| 0|29.88| 0.00| 72| 69| 92|28| 0| 0| 0|29.92| 0.00| 72| 69| 91|24| 0| 0| 0|30.00| 0.00| 69| 64| 84|28| 3| 8| |03| 0|29.88| 0.00| 69| 67| 95|28| 0| 0| 0|29.93| 0.00| 71| 69| 94|24| 0| 0| 0|30.00| 0.00| 68| 64| 87|31| 2| 5| |06| 0|29.89| 0.00| 66| 64| 96|28| 0| 0| 0|29.92| 0.00| 72| 70| 94|24| 0| 0| 0|30.03| 0.00| 66| 63| 89|30| 1| 3| |09| 33|29.90| 0.00| 72| 68| 86|25| 1| 3| 134|29.95| 0.00| 75| 72| 92|02| 1| 4| 40|30.07| 0.00| 69| 64| 83|00| 2| 9| |12| 782|29.91| 0.00| 84| 69| 62|25| 2| 5| 309|29.93| 0.00| 82| 77| 84|03| 2| 6| 784|30.08| 0.00| 75| 65| 73|35| 2| 5| |15| 763|29.88| 0.00| 89| 70| 54|25| 2| 9| 784|29.85| 0.00| 88| 83| 84|14| 3| 7| 770|30.03| 0.00| 81| 69| 67|08| 2| 7| |18| 121|29.88| 0.00| 87| 71| 60|23| 2| 3| 16|29.87| 0.00| 77| 75| 94|17| 0| 2| 93|29.99| 0.00| 79| 66| 66|35| 1| 6| |21| 0|29.91| 0.00| 76| 70| 82|24| 0| 1| 0|29.96| 0.00| 70| 66| 88|23| 2| 7| 0|30.02| 0.00| 71| 66| 84|35| 0| 0| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | AUG 22 | AUG 23 | AUG 24 | | | | | |00| 0|30.02| 0.00| 68| 65| 89|35| 0| 0| 0|29.84| 0.00| 73| 71| 93|06| 2| 6| 0|29.90| 0.00| 64| 60| 85|19| 0| 0| |03| 0|29.97| 0.00| 68| 65| 91|35| 0| 0| 0|29.79| 0.00| 69| 68| 96|26| 0| 0| 0|29.89| 0.00| 62| 59| 90|19| 0| 0| |06| 0|29.99| 0.33| 68| 66| 94|10| 1| 3| 0|29.79| 0.00| 66| 65| 96|26| 0| 0| 0|29.91| 0.00| 60| 58| 93|19| 0| 0| |09| 30|30.00| 0.00| 69| 68| 97|10| 0| 0| 39|29.85| 0.00| 69| 68| 97|21| 1| 6| 63|29.95| 0.00| 67| 63| 85|32| 0| 2| |12| 155|29.98| 0.00| 72| 71| 96|01| 1| 5| 838|29.85| 0.00| 78| 70| 78|26| 3| 7| 807|29.93| 0.00| 79| 67| 67|11| 2| 6| |15| 269|29.94| 0.00| 77| 73| 88|06| 2| 10| 860|29.82| 0.00| 84| 67| 58|17| 2| 10| 214|29.91| 0.00| 82| 66| 59|06| 1| 4| |18| 76|29.89| 0.00| 76| 72| 85|02| 2| 5| 97|29.82| 0.00| 83| 64| 52|23| 4| 11| 53|29.92| 0.00| 78| 68| 71|09| 1| 4| |21| 0|29.88| 0.00| 73| 70| 91|12| 2| 7| 0|29.88| 0.00| 70| 62| 76|19| 0| 1| 0|29.97| 0.00| 70| 63| 78|11| 0| 0| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | AUG 25 | AUG 26 | AUG 27 | | | | | |00| 0|30.00| 0.00| 63| 59| 88|11| 0| 0| 0|30.05| 0.00| 64| 62| 91|24| 0| 1| 0|30.00| 0.00| 74| 70| 86|11| 0| 3| |03| 0|29.99| 0.00| 61| 58| 91|11| 0| 0| 0|30.04| 0.00| 62| 60| 94|24| 0| 0| | | | | | | | | | |06| 0|30.00| 0.00| 58| 56| 93|11| 0| 0| 0|30.05| 0.00| 61| 60| 95|24| 0| 0| | | | | | | | | | |09| 32|30.04| 0.00| 67| 62| 84|14| 1| 6| 40|30.07| 0.00| 71| 69| 94|30| 1| 3| | | | | | | | | | |12| 791|30.04| 0.00| 78| 65| 65|24| 1| 5| 705|30.07| 0.00| 81| 70| 69|19| 1| 10| | | | | | | | | | |15| 921|30.00| 0.00| 82| 67| 61|24| 2| 9| 745|30.02| 0.00| 84| 71| 65|09| 6| 14| | | | | | | | | | |18| 151|29.99| 0.00| 81| 65| 60|02| 2| 5| 102|30.00| 0.00| 80| 69| 69|13| 4| 9| | | | | | | | | | |21| 0|30.03| 0.00| 69| 63| 81|24| 0| 0| 0|29.98| 0.00| 74| 68| 80|10| 1| 6| | | | | | | | | | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | AUG 28 | AUG 29 | AUG 30 | | | | | |00| | | | | | | | | | | | | | | | | | | | | | | | | | | | |03| | | | | | | | | | | | | | | | | | | | | | | | | | | | |06| | | | | | | | | | | | | | | | | | | | | | | | | | | | |09| | | | | | | | | | | | | | | | | | | | | | | | | | | | |12| | | | | | | | | | | | | | | | | | | | | | | | | | | | |15| | | | | | | | | | | | | | | | | | | | | | | | | | | | |18| | | | | | | | | | | | | | | | | | | | | | | | | | | | |21| | | | | | | | | | | | | | | | | | | | | | | | | | | | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | AUG 31 | | | | | | | |00| | | | | | | | | | | | |03| | | | | | | | | | | | |06| | | | | | | | | | | | |09| | | | | | | | | | | | |12| | | | | | | | | | | | |15| | | | | | | | | | | | |18| | | | | | | | | | | | |21| | | | | | | | | | | | +--+----+-----+-----+---+---+---+--+---+---+---------------------------------------+---------------------------------------+WEATHER NOTES SUMMARY BY HOURS +--+-----------------------------+---------+ Wind Direction: Directions are those from which the wind is blowing, | | Averages | | indicated in tens of degrees from true North: i.e., 09 for East, 18 for | +----+------+---+---+---+-----+Resultant| South, 27 for West, and 00 or 36 for North. | | | | | | | | | Wind Speed: The observed one-minute average speed in miles-per-hour. | | | | T | | | | Wind | Wind Gust: The maximum instantaneous wind speed for the ten minute-period | | | | e | | % | W +----+----+ preceding the observation. | | | | m | D | | i | D | | Rainfall Rate: The instantaneous rainfall rate at time of observation, | | S | P | p | e | H | n | i | | calculated by timing consecutive pulses from the electronic rain | | u | r | e | w | u | d | r | | gauge and interpolating this rate for one hour. | | n | e | r | | m | | e | | | | s | s | a | P | i | S | c | S | | H| h | s | t | o | d | p | t | p | | o| i | u | u | i | i | e | i | e | | u| n | r | r | n | t | e | o | e | | r| e | e | e | t | y | d | n | d | +--+----+------+---+---+---+-----+----+----+ |00| 0|29.952| 73| 70| 91| 0.5| 15 | 0.2| |03| 0|29.937| 72| 69| 92| 0.6| 07 | 0.1| |06| 0|29.945| 71| 69| 94| 0.5| 05 | 0.1| |09| 69|29.971| 75| 72| 90| 1.2| 03 | 0.2| |12| 551|29.972| 82| 74| 78| 2.0| 08 | 0.6| |15| 587|29.934| 85| 75| 73| 2.1| 11 | 0.9| |18| 151|29.918| 82| 73| 76| 1.6| 10 | 0.6| |21| 0|29.939| 76| 71| 86| 0.5| 13 | 0.3| +--+----+------+---+---+---+-----+----+----+HOURLY PRECIPITATION (Water Equivalent)August 2026: Pasadena 2N ---+-----------------------------------------------------------+-----------------------------------------------------------+--- | | | D| A.M. Hour Ending at | P.M. Hour Ending at |D a| | |a t+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+t e| 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 |e ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- 01| | | | | | | | | | | | | | | | | | | | | | | | |01 02| | | | | | | | | | | | | | |0.04|0.11|0.05|0.09|0.38|0.22|0.16| | | |02 03| | | | | | | | | | | | | | | | | | | | | | | | |03 04| | | | | | | | | | | | | | | | | | | | | | | | |04 05| | | | | |0.11|0.15|0.01|0.08|0.28|0.24|0.01|0.01| | | | | | | | | | | |05 | | | | | | | | | | | | | | | | | | | | | | | | | 06| | | | | | | | | | | | | | | | | | | | | | | | |06 07| | | | | | | | | | | | | | | | | | |0.08|0.04| | | | |07 08| | | | | | |0.01| | | | | | | | | | | | | | | | | |08 09| | | | | | | | | | | | | | | | | | | | | | | | |09 10| | | | | | | | | | | | | | | | |0.11|0.30| | | | | | |10 | | | | | | | | | | | | | | | | | | | | | | | | | 11| | | | | | | | |0.01| | | | | | | | | | | | | | | |11 12| | | | | | | | | | | | | | | | | | | | | | | | |12 13| | | | | | | | | | | | | | | | | | | | | | | | |13 14| | | | | | | | | | | | | | | | | | | | | | | | |14 15| | | | | | | | | | | | | | | | | | | | | | | | |15 | | | | | | | | | | | | | | | | | | | | | | | | | 16| | | | | | | | | |0.01| |0.01|0.01| |0.02| | | | | | |0.02| | |16 17| | | | | | | |0.01| | | | | | | | | | |0.03|0.01| | | | |17 18| | | | | | | | | | | | | | | | | | | | | | | | |18 19| | | | | | | | | | |0.01| | | | | | | | | | | | | |19 20| | | | | | |0.02| | | | | | |0.01| | |0.22|0.03|0.07|0.01| | | | |20 | | | | | | | | | | | | | | | | | | | | | | | | | 21| | | | | | | | | | | | |0.01| | | | | | | | | | | |21 22| | | | |0.05|0.08|0.04| |0.01|0.07| | | | | | |0.01| | | | | | | |22 23|0.04|0.09| | | | |0.01| | | | | | | | | | | | | | | | | |23 24| | | | | | | | | | | | | | | | | | | | | | | | |24 25| | | | | | | | | | | | | | | | | | | | | | | | |25 | | | | | | | | | | | | | | | | | | | | | | | | | 26| | | | | | | | | | | | | | | | | | | | | | | | |26 27| | | | | | | | | | | | | | | | | | | | | | | | |27 28| | | | | | | | | | | | | | | | | | | | | | | | |28 29| | | | | | | | | | | | | | | | | | | | | | | | |29 30| | | | | | | | | | | | | | | | | | | | | | | | |30 31| | | | | | | | | | | | | | | | | | | | | | | | |31 ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- Sum|0.04|0.09|0.00|0.00|0.05|0.19|0.23|0.02|0.10|0.36|0.25|0.02|0.03|0.01|0.06|0.11|0.39|0.42|0.56|0.28|0.16|0.02|0.00|0.00|Sum ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- During a frozen precipitation event, hourly precipitation totals may not be recorded. In this case, daily amounts are typically entered in the last column (hour ending at 12 A.M.)