LOCAL CLIMATOLOGICAL DATA Monthly Summary
April 2021
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| 58.8 | 34.5 | 46.7 | 43.2 | 37| 79| 18| 0|.........| 0| 0.22| 0.0| 30.16| 29.80|29.972| 5.4| 5.4|302| 29|WNW| 14|301| 69 | |02| 46.7 | 30.8 | 38.8*| 37.7 | 20| 50| 26| 0|.........| 0| 0.00| 0.0| 30.34| 30.16|30.247| 5.2| 5.2|302| 23|WNW| 13|300| 193 | |03| 57.3 | 26.1*| 41.7 | 41.3 | 24| 52| 23| 0|.........| 0| 0.00| 0.0| 30.45| 30.24|30.345| 1.4| 1.0|305| 15| W| 8|297| 193 | |04| 72.2 | 42.4 | 57.3 | 55.9 | 36| 49| 8| 0|.........| 0| 0.00| 0.0| 30.24| 29.95|30.071| 1.8| 1.7|291| 19|WNW| 9|294| 191 | |05| 73.1 | 38.3 | 55.7 | 57.4 | 37| 51| 9| 0|.........| 0| 0.00| 0.0| 30.11| 29.93|30.024| 1.7| 1.6|301| 19|WNW| 10|295| 188 | | | | | | | | | | | | | | | | | | | | | | | | | | |06| 75.6 | 52.4 | 64.0 | 61.2 | 41| 49| 1| 0|.........| 0| 0.00| 0.0| 30.05| 29.90|29.964| 0.8| 0.6| 60| 9| NE| 5| 44| 184 | |07| 77.4 | 46.7 | 62.1 | 60.7 | 47| 63| 3| 0|.........| 0| 0.00| 0.0| 30.00| 29.88|29.948| 1.3| 1.1| 86| 13| NE| 8| 48| 188 | |08| 72.2 | 48.5 | 60.3 | 59.1 | 48| 68| 4| 0|.........| 0| 0.00| 0.0| 30.09| 29.99|30.038| 1.8| 1.6|111| 16| S| 9|115| 188 | |09| 59.1 | 51.1 | 55.1 | 54.5 | 51| 88| 10| 0|.........| 0| 0.17| 0.0| 30.12| 30.03|30.074| 1.5| 1.4| 91| 13|ESE| 7|109| 41 | |10| 68.2 | 52.8 | 60.5 | 58.1 | 55| 90| 4| 0|.........| 0| 0.00| 0.0| 30.05| 29.70|29.913| 1.0| 0.8| 47| 10| NE| 5| 40| 153 | | | | | | | | | | | | | | | | | | | | | | | | | | |11| 79.8*| 57.8 | 68.8*| 65.7 | 60| 83| 0| 4|.........| 0| 1.15| 0.0| 29.70| 29.41|29.500| 1.9| 0.4|179| 19| SE| 8|175| 178 | |12| 59.9 | 49.3 | 54.6 | 53.0 | 50| 90| 10| 0|.........| 0| 0.02| 0.0| 29.92| 29.55|29.719| 2.6| 2.6| 60| 16| NE| 8| 58| 68 | |13| | | | | | | | | | | | | | | | | | | | | | | | |14| | | | | | | | | | | | | | | | | | | | | | | | |15| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |16| | | | | | | | | | | | | | | | | | | | | | | | |17| | | | | | | | | | | | | | | | | | | | | | | | |18| | | | | | | | | | | | | | | | | | | | | | | | |19| | | | | | | | | | | | | | | | | | | | | | | | |20| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |21| | | | | | | | | | | | | | | | | | | | | | | | |22| | | | | | | | | | | | | | | | | | | | | | | | |23| | | | | | | | | | | | | | | | | | | | | | | | |24| | | | | | | | | | | | | | | | | | | | | | | | |25| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |26| | | | | | | | | | | | | | | | | | | | | | | | |27| | | | | | | | | | | | | | | | | | | | | | | | |28| | | | | | | | | | | | | | | | | | | | | | | | |29| | | | | | | | | | | | | | | | | | | | | | | | |30| | | | | | | | | | | | | | | | | | | | | | | | +--+------+------+------+------+---+----+----+----+---------+--+-----+-----+------+------+------+----+----+---+---+---+---+---+------+ | Sum | Sum |------|------|---|----| Ttl| Ttl| |Total|Total| For the month: | ---- | +------+------+------+------+---+----+----+----+ Number of +-----+-----+------+------+------+----+----+---+---+---+---+---+------+ | 800.3| 530.7|------|------|---|----| 116| 4| Days | 1.56| 0.0| 30.45| 29.42|30.103| 2.2| 0.9|327| 29|WNW| 14|301| ---- | +------+------+------+------+---+----+----+----+------------+-----+-----+------+------+------+----+----+---+---+---+---+---+------+ | Avg | Avg | Avg | Mean |Avg| Avg|----|----|Precip | Season Ttl| Date | Date |------|----|----|---| Date | Date | Avg | +------+------+------+------+---+----+----+----+ +-----+-----+------+------+------+----+----+---+-------+-------+------+ | 66.7| 44.2| 55.5 | 54.0 | 42|67.6|----|----|≥.01 Inch 4|12.04| 0.0| 3 | 11 |------|----|----|---| 1 | 1 | 153| +------+------+------+------+---+----+----+----+------------+-----+-----+------+------+------+----+----+---+-------+-------+------+ | | 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 |3789| 11|Thunder 0|Precipitation | Snow, Ice Plts | and Date | +--------+---------+--------+--------+----+----+------------+-------+------+---------+-------+-------------+----------------------+ | ≥90°F | ≤32°F | ≤32°F | ≤0°F |----|----|Heavy Fog 0| 1.16| 11-12| 0.0 | - | 0 | - | +--------+---------+--------+--------+----+----+------------+-------+------+---------+----+--+-------------+----------------------+ | 0 | 0 | 2 | 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
April 2021: 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 | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | APR 1 | APR 2 | APR 3 | | | | | |00| 0|29.81| 0.00| 58| 57| 97|20| 0| 2| 0|30.16| 0.00| 35| 24| 65|28| 4| 14| 0|30.34| 0.00| 38| 18| 44|31| 3| 9| |03| 0|29.85| 0.00| 47| 43| 88|30| 6| 17| 0|30.16| 0.00| 33| 22| 64|29| 6| 14| 0|30.36| 0.00| 31| 19| 61|28| 0| 3| |06| 0|29.88| 0.06| 41| 39| 91|31| 8| 23| 0|30.22| 0.00| 32| 21| 64|30| 4| 14| 0|30.40| 0.00| 27| 18| 69|28| 0| 0| |09| 62|29.94| 0.00| 41| 39| 92|30| 3| 10| 37|30.30| 0.00| 32| 19| 60|31| 4| 13| 40|30.44| 0.00| 37| 22| 53|29| 5| 12| |12| 234|29.96| 0.00| 46| 39| 77|30| 3| 11| 840|30.28| 0.00| 40| 22| 48|29| 6| 16| 733|30.40| 0.00| 47| 23| 39|07| 1| 9| |15| 211|29.98| 0.00| 46| 39| 77|28| 5| 15| 134|30.24| 0.00| 45| 20| 37|31| 8| 16| 671|30.32| 0.00| 54| 24| 31|02| 3| 9| |18| 51|30.04| 0.00| 42| 33| 72|29| 6| 17| 72|30.23| 0.00| 44| 18| 34|29| 10| 20| 49|30.26| 0.00| 53| 28| 37|12| 2| 8| |21| 0|30.13| 0.00| 39| 24| 55|29| 9| 23| 0|30.29| 0.00| 41| 16| 36|30| 4| 11| 0|30.26| 0.00| 43| 32| 65|11| 0| 0| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | APR 4 | APR 5 | APR 6 | | | | | |00| 0|30.24| 0.00| 43| 35| 72|16| 2| 4| 0|30.04| 0.00| 54| 37| 52|00| 0| 4| 0|29.97| 0.00| 56| 44| 64|24| 0| 4| |03| 0|30.19| 0.00| 43| 35| 73|14| 0| 1| 0|30.07| 0.00| 47| 35| 63|04| 0| 0| 0|29.95| 0.00| 57| 43| 59|03| 0| 2| |06| 0|30.13| 0.00| 44| 33| 65|24| 0| 3| 0|30.08| 0.00| 39| 33| 78|04| 0| 0| 0|29.98| 0.00| 56| 42| 59|06| 2| 5| |09| 125|30.11| 0.00| 48| 34| 58|28| 0| 4| 65|30.10| 0.00| 54| 38| 56|28| 3| 10| 88|30.03| 0.00| 57| 36| 45|08| 2| 7| |12| 731|30.06| 0.00| 65| 38| 37|29| 7| 16| 780|30.06| 0.00| 66| 36| 34|31| 5| 13| 378|30.01| 0.00| 63| 37| 38|00| 1| 3| |15| 737|30.01| 0.00| 70| 41| 35|30| 4| 15| 763|29.98| 0.00| 72| 36| 26|28| 5| 10| 733|29.93| 0.00| 72| 42| 34|03| 0| 9| |18| 67|29.95| 0.00| 70| 38| 31|29| 2| 14| 58|29.93| 0.00| 70| 37| 30|30| 6| 10| 58|29.90| 0.00| 73| 47| 40|05| 1| 4| |21| 0|29.97| 0.00| 57| 34| 42|29| 0| 3| 0|29.95| 0.00| 58| 42| 55|29| 0| 0| 0|29.94| 0.00| 58| 42| 55|11| 0| 1| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | APR 7 | APR 8 | APR 9 | | | | | |00| 0|29.96| 0.00| 52| 40| 62|11| 0| 0| 0|29.99| 0.00| 57| 43| 58|11| 0| 3| 0|30.06| 0.00| 54| 47| 78|11| 1| 7| |03| 0|29.95| 0.00| 51| 43| 74|12| 0| 0| 0|30.00| 0.00| 52| 45| 75|08| 0| 0| 0|30.06| 0.00| 54| 48| 81|13| 1| 8| |06| 0|29.97| 0.00| 48| 43| 83|11| 0| 0| 0|30.03| 0.00| 51| 44| 77|09| 0| 4| 0|30.07| 0.05| 52| 49| 91|08| 2| 6| |09| 65|29.97| 0.00| 53| 48| 81|11| 0| 0| 65|30.08| 0.00| 55| 47| 74|05| 2| 7| 47|30.10| 0.00| 52| 50| 93|08| 2| 6| |12| 752|29.97| 0.00| 66| 47| 50|08| 5| 9| 745|30.08| 0.00| 66| 50| 57|09| 3| 10| 77|30.10| 0.00| 53| 51| 92|09| 3| 8| |15| 754|29.91| 0.00| 74| 52| 46|10| 3| 9| 800|30.02| 0.00| 69| 51| 53|10| 3| 12| 118|30.07| 0.00| 57| 53| 88|10| 1| 5| |18| 121|29.90| 0.00| 74| 53| 47|07| 1| 5| 79|30.01| 0.00| 67| 51| 57|10| 4| 12| 9|30.08| 0.00| 58| 54| 87|30| 3| 5| |21| 0|29.95| 0.00| 63| 45| 53|11| 2| 11| 0|30.04| 0.00| 57| 50| 77|15| 1| 6| 0|30.06| 0.00| 56| 52| 89|07| 1| 6| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | APR 10 | APR 11 | APR 12 | | | | | |00| 0|30.05| 0.00| 54| 52| 92|09| 0| 3| 0|29.70| 0.00| 60| 58| 92|10| 0| 4| 0|29.55| 0.15| 60| 58| 95|07| 1| 3| |03| 0|30.03| 0.00| 54| 52| 94|09| 1| 7| 0|29.61| 0.00| 58| 57| 95|09| 0| 5| 0|29.58| 0.00| 55| 53| 94|02| 2| 9| |06| 0|30.00| 0.00| 53| 51| 95|06| 1| 3| 0|29.52| 0.00| 60| 59| 97|10| 2| 8| 0|29.63| 0.00| 53| 51| 93|06| 5| 10| |09| 93|29.98| 0.00| 54| 53| 96|06| 1| 3| 60|29.47| 0.00| 61| 60| 97|15| 2| 6| 32|29.68| 0.00| 52| 50| 92|07| 3| 7| |12| 304|29.98| 0.00| 58| 56| 91|01| 1| 3| 840|29.47| 0.00| 73| 65| 75|25| 4| 16| 162|29.73| 0.00| 52| 49| 89|03| 2| 10| |15| 682|29.89| 0.00| 65| 59| 81|00| 3| 6| 814|29.44| 0.00| 80| 62| 54|28| 3| 10| 336|29.74| 0.00| 55| 50| 86|06| 3| 10| |18| 120|29.80| 0.00| 66| 59| 78|05| 1| 5| 116|29.42| 0.00| 75| 60| 60|12| 2| 8| 30|29.79| 0.00| 53| 48| 84|05| 5| 10| |21| 0|29.74| 0.00| 58| 55| 90|07| 1| 3| 0|29.46| 0.00| 61| 59| 92|06| 1| 5| 0|29.87| 0.00| 50| 47| 89|06| 4| 9| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | APR 13 | APR 14 | APR 15 | | | | | |00| 0|29.92| 0.00| 49| 46| 88|07| 0| 1| | | | | | | | | | | | | | | | | | | |03| | | | | | | | | | | | | | | | | | | | | | | | | | | | |06| | | | | | | | | | | | | | | | | | | | | | | | | | | | |09| | | | | | | | | | | | | | | | | | | | | | | | | | | | |12| | | | | | | | | | | | | | | | | | | | | | | | | | | | |15| | | | | | | | | | | | | | | | | | | | | | | | | | | | |18| | | | | | | | | | | | | | | | | | | | | | | | | | | | |21| | | | | | | | | | | | | | | | | | | | | | | | | | | | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | APR 16 | APR 17 | APR 18 | | | | | |00| | | | | | | | | | | | | | | | | | | | | | | | | | | | |03| | | | | | | | | | | | | | | | | | | | | | | | | | | | |06| | | | | | | | | | | | | | | | | | | | | | | | | | | | |09| | | | | | | | | | | | | | | | | | | | | | | | | | | | |12| | | | | | | | | | | | | | | | | | | | | | | | | | | | |15| | | | | | | | | | | | | | | | | | | | | | | | | | | | |18| | | | | | | | | | | | | | | | | | | | | | | | | | | | |21| | | | | | | | | | | | | | | | | | | | | | | | | | | | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
MAXIMUM SHORT DURATION PRECIPITATION
+------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ | Time Period (minutes) | 5 | 10 | 15 | 20 | 30 | 45 | 60 | 80 | 100 | 120 | 150 | 180 | +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ | Precipitation | 0.12 | 0.17 | 0.25 | 0.27 | 0.34 | 0.37 | 0.38 | 0.39 | 0.39 | 0.40 | 0.44 | 0.46 | +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ | Ended: Date | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ | Ended: Time | 0138 | 0135 | 0138 | 0138 | 0149 | 0157 | 0157 | 0218 | 0218 | 0256 | 2151 | 2156 | +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ 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
April 2021: 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 | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | APR 19 | APR 20 | APR 21 | | | | | |00| | | | | | | | | | | | | | | | | | | | | | | | | | | | |03| | | | | | | | | | | | | | | | | | | | | | | | | | | | |06| | | | | | | | | | | | | | | | | | | | | | | | | | | | |09| | | | | | | | | | | | | | | | | | | | | | | | | | | | |12| | | | | | | | | | | | | | | | | | | | | | | | | | | | |15| | | | | | | | | | | | | | | | | | | | | | | | | | | | |18| | | | | | | | | | | | | | | | | | | | | | | | | | | | |21| | | | | | | | | | | | | | | | | | | | | | | | | | | | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | APR 22 | APR 23 | APR 24 | | | | | |00| | | | | | | | | | | | | | | | | | | | | | | | | | | | |03| | | | | | | | | | | | | | | | | | | | | | | | | | | | |06| | | | | | | | | | | | | | | | | | | | | | | | | | | | |09| | | | | | | | | | | | | | | | | | | | | | | | | | | | |12| | | | | | | | | | | | | | | | | | | | | | | | | | | | |15| | | | | | | | | | | | | | | | | | | | | | | | | | | | |18| | | | | | | | | | | | | | | | | | | | | | | | | | | | |21| | | | | | | | | | | | | | | | | | | | | | | | | | | | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | APR 25 | APR 26 | APR 27 | | | | | |00| | | | | | | | | | | | | | | | | | | | | | | | | | | | |03| | | | | | | | | | | | | | | | | | | | | | | | | | | | |06| | | | | | | | | | | | | | | | | | | | | | | | | | | | |09| | | | | | | | | | | | | | | | | | | | | | | | | | | | |12| | | | | | | | | | | | | | | | | | | | | | | | | | | | |15| | | | | | | | | | | | | | | | | | | | | | | | | | | | |18| | | | | | | | | | | | | | | | | | | | | | | | | | | | |21| | | | | | | | | | | | | | | | | | | | | | | | | | | | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | APR 28 | APR 29 | APR 30 | | | | | |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|29.983| 52| 43| 74| 0.9| 30 | 0.2| |03| 0|29.985| 49| 41| 77| 1.4| 32 | 0.8| |06| 0|29.994| 46| 40| 80| 2.1| 00 | 0.9| |09| 65|30.017| 50| 41| 75| 2.4| 35 | 0.8| |12| 548|30.008| 58| 43| 61| 3.5| 33 | 1.4| |15| 563|29.961| 63| 44| 54| 3.3| 33 | 1.6| |18| 69|29.943| 62| 44| 55| 3.6| 32 | 1.4| |21| 0|29.973| 53| 41| 67| 2.0| 34 | 0.7| +--+----+------+---+---+---+-----+----+----+
HOURLY PRECIPITATION (Water Equivalent)
April 2021: 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|0.06|0.02| |0.03|0.03|0.04|0.03| | | | | | |0.01| | | | | | | | | | |01 02| | | | | | | | | | | | | | | | | | | | | | | | |02 03| | | | | | | | | | | | | | | | | | | | | | | | |03 04| | | | | | | | | | | | | | | | | | | | | | | | |04 05| | | | | | | | | | | | | | | | | | | | | | | | |05 | | | | | | | | | | | | | | | | | | | | | | | | | 06| | | | | | | | | | | | | | | | | | | | | | | | |06 07| | | | | | | | | | | | | | | | | | | | | | | | |07 08| | | | | | | | | | | | | | | | | | | | | | | | |08 09| | | | |0.02|0.09|0.05|0.01| | | | | | | | | | | | | | | | |09 10| | | | | | | | | | | | | | | | | | | | | | | | |10 | | | | | | | | | | | | | | | | | | | | | | | | | 11| |0.38|0.02|0.02|0.09|0.15| | |0.01| | | | | | | | | | |0.15|0.13|0.18| |0.02|11 12|0.01| | | | | | | | | | | | | | | | | | | |0.01| | | |12 13| | | | | | | | | | | | | | | | | | | | | | | | |13 14| | | | | | | | | | | | | | | | | | | | | | | | |14 15| | | | | | | | | | | | | | | | | | | | | | | | |15 | | | | | | | | | | | | | | | | | | | | | | | | | 16| | | | | | | | | | | | | | | | | | | | | | | | |16 17| | | | | | | | | | | | | | | | | | | | | | | | |17 18| | | | | | | | | | | | | | | | | | | | | | | | |18 19| | | | | | | | | | | | | | | | | | | | | | | | |19 20| | | | | | | | | | | | | | | | | | | | | | | | |20 | | | | | | | | | | | | | | | | | | | | | | | | | 21| | | | | | | | | | | | | | | | | | | | | | | | |21 22| | | | | | | | | | | | | | | | | | | | | | | | |22 23| | | | | | | | | | | | | | | | | | | | | | | | |23 24| | | | | | | | | | | | | | | | | | | | | | | | |24 25| | | | | | | | | | | | | | | | | | | | | | | | |25 | | | | | | | | | | | | | | | | | | | | | | | | | 26| | | | | | | | | | | | | | | | | | | | | | | | |26 27| | | | | | | | | | | | | | | | | | | | | | | | |27 28| | | | | | | | | | | | | | | | | | | | | | | | |28 29| | | | | | | | | | | | | | | | | | | | | | | | |29 30| | | | | | | | | | | | | | | | | | | | | | | | |30 ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- Sum|0.07|0.40|0.02|0.05|0.14|0.28|0.08|0.01|0.01|0.00|0.00|0.00|0.00|0.01|0.00|0.00|0.00|0.00|0.00|0.15|0.14|0.18|0.00|0.02|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.)