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 |
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+--+------+------+------+------+---+----+----+----+---------+--+-----+-----+------+------+------+----+----+---+---+---+---+---+------+
| 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| | | | | | | | | | | | | | | | | | | | | | | | | | | |
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|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.)