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Westford: September 2023
LOCAL CLIMATOLOGICAL DATA
Monthly Summary
September 2023
Station: Westford
Latitude: 43° 37' 38" N Longitude: 73° 02' 30" W Elevation (ground): 850 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| 74.7 | 46.2 | 60.4 | 58.7 | 53| 84| 4| 0|.........| 0| 0.00| 0.0| 30.28| 30.15|30.211| 0.2| 0.2|223| 9|WSW| 5|246| 228 |
|02| 75.7 | 51.5 | 63.6 | 63.0 | 58| 85| 1| 0|.........| 0| 0.01| 0.0| 30.17| 29.88|30.020| 1.5| 1.5|180| 20|SSE| 8|172| 181 |
|03| 84.0 | 62.1 | 73.1 | 70.5 | 65| 84| 0| 8|.........| 0| 0.00| 0.0| 29.89| 29.78|29.841| 0.9| 0.9|196| 13|SSE| 7|256| 204 |
|04| 87.7 | 60.9 | 74.3 | 72.4 | 68| 87| 0| 10|.........| 0| 0.00| 0.0| 29.86| 29.79|29.817| 0.3| 0.3|221| 9|SSE| 5|260| 211 |
|05| 88.9 | 65.2 | 77.1 | 74.2 | 70| 88| 0| 12|.........| 0| 0.00| 0.0| 29.94| 29.86|29.889| 0.2| 0.1|265| 8|WSW| 4|248| 185 |
| | | | | | | | | | | | | | | | | | | | | | | | |
|06| 89.5*| 65.7 | 77.6*| 75.3 | 71| 86| 0| 13|.........| 0| 0.00| 0.0| 29.88| 29.69|29.786| 0.4| 0.4|248| 10|WNW| 6|275| 216 |
|07| 87.7 | 64.7 | 76.2 | 72.0 | 69| 91| 0| 12|..3......| 0| 1.02| 0.0| 29.81| 29.66|29.720| 0.9| 0.8|187| 30| S| 15|252| 141 |
|08| 82.7 | 63.9 | 73.3 | 70.9 | 68| 90| 0| 9|..3......| 0| 0.52| 0.0| 29.97| 29.75|29.850| 1.3| 1.2|183| 18|SSE| 7|213| 179 |
|09| 72.9 | 57.7 | 65.3 | 63.3 | 60| 89| 0| 1|.........| 0| 0.01| 0.0| 30.13| 29.97|30.075| 0.2| 0.1| 0| 10| N| 3|344| 140 |
|10| 68.2 | 58.7 | 63.4 | 63.3 | 62| 96| 1| 0|..3......| 0| 0.77| 0.0| 30.13| 30.04|30.062| 0.3| 0.1|230| 11|WSW| 6|256| 57 |
| | | | | | | | | | | | | | | | | | | | | | | | |
|11| 64.8 | 55.7 | 60.3 | 63.8 | 63| 96| 4| 0|.........| 0| 0.03| 0.0| 30.05| 30.00|30.046| 0.0| 0.0|292| 9| W| 0|292| 11 |
|12| 77.7 | 54.9 | 66.3 | 63.8 | 63| 96| 0| 2|.........| 0| 0.00| 0.0| 30.05| 29.89|30.046| 0.0| 0.0|292| 11| E| 0|292| 11 |
|13| 67.0 | 54.2 | 60.6 | 62.7 | 61| 96| 4| 0|.........| 0| 0.91| 0.0| 30.05| 29.83|30.011| 0.2| 0.2|247| 11|SSE| 6|243| 9 |
|14| 64.9 | 49.2 | 57.1 | 54.3 | 52| 92| 8| 0|.........| 0| 0.01| 0.0| 30.13| 29.93|29.995| 0.5| 0.5|264| 16| SW| 8|263| 26 |
|15| 67.7 | 47.2 | 57.4 | 56.2 | 52| 86| 7| 0|.........| 0| 0.00| 0.0| 30.18| 30.01|30.114| 0.2| 0.2|322| 13| NW| 4| 10| 171 |
| | | | | | | | | | | | | | | | | | | | | | | | |
|16| 70.5 | 50.1 | 60.3 | 57.1 | 53| 87| 4| 0|.........| 0| 0.00| 0.0| 30.01| 29.80|29.878| 1.1| 1.0|270| 16| W| 8|259| 144 |
|17| 72.5 | 49.8 | 61.2 | 59.7 | 55| 85| 3| 0|.........| 0| 0.01| 0.0| 29.89| 29.81|29.847| 0.5| 0.4|222| 10|WSW| 6|247| 176 |
|18| 59.5 | 55.1 | 57.3 | 57.5 | 56| 94| 7| 0|.........| 0| 0.08| 0.0| 29.84| 29.70|29.781| 0.1| 0.1|174| 11| S| 3|182| 34 |
|19| 57.9 | 55.5 | 56.7 | 56.7 | 56| 96| 8| 0|.........| 0| 0.77| 0.0| 29.96| 29.67|29.778| 2.7| 2.7|260| 23|WSW| 9|253| 24 |
|20| 68.1 | 46.2 | 57.2 | 56.3 | 51| 83| 8| 0|.........| 0| 0.00| 0.0| 30.18| 29.96|30.072| 0.8| 0.8|249| 12| W| 6|258| 201 |
| | | | | | | | | | | | | | | | | | | | | | | | |
|21| 68.8 | 42.4 | 55.6*| 53.6 | 49| 85| 9| 0|.........| 0| 0.00| 0.0| 30.32| 30.17|30.262| 0.4| 0.3|254| 10|WSW| 5|273| 189 |
|22| 72.9 | 42.3*| 57.6 | 55.7 | 51| 86| 7| 0|.........| 0| 0.01| 0.0| 30.41| 30.31|30.348| 0.3| 0.3|219| 10|SSE| 5|253| 186 |
|23| 70.4 | 46.5 | 58.5 | 56.9 | 53| 88| 6| 0|.........| 0| 0.00| 0.0| 30.31| 30.19|30.252| 0.1| 0.1| 24| 7|ENE| 3| 56| 145 |
|24| 70.8 | 48.4 | 59.6 | 57.0 | 53| 88| 5| 0|.........| 0| 0.00| 0.0| 30.19| 30.10|30.144| 0.1| 0.1|227| 6| SW| 3|237| 123 |
|25| | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | |
|26| | | | | | | | | | | | | | | | | | | | | | | |
|27| | | | | | | | | | | | | | | | | | | | | | | |
|28| | | | | | | | | | | | | | | | | | | | | | | |
|29| | | | | | | | | | | | | | | | | | | | | | | |
|30| | | | | | | | | | | | | | | | | | | | | | | |
+--+------+------+------+------+---+----+----+----+---------+--+-----+-----+------+------+------+----+----+---+---+---+---+---+------+
| Sum | Sum |------|------|---|----| Ttl| Ttl| |Total|Total| For the month: | ---- |
+------+------+------+------+---+----+----+----+ Number of +-----+-----+------+------+------+----+----+---+---+---+---+---+------+
|1765.5|1294.1|------|------|---|----| 86| 67| Days | 4.15| 0.0| 30.41| 29.66|29.998| 0.5| 0.4|229| 30| S| 15|252| ---- |
+------+------+------+------+---+----+----+----+------------+-----+-----+------+------+------+----+----+---+---+---+---+---+------+
| Avg | Avg | Avg | Mean |Avg| Avg|----|----|Precip | Season Ttl| Date | Date |------|----|----|---| Date | Date | Avg |
+------+------+------+------+---+----+----+----+ +-----+-----+------+------+------+----+----+---+-------+-------+------+
| 73.6| 53.9| 63.7 | 61.7 | 58|89.3|----|----|≥.01 Inch 12|40.29| 0.0| 22 | 7 |------|----|----|---| 7 | 7 | 128|
+------+------+------+------+---+----+----+----+------------+-----+-----+------+------+------+----+----+---+-------+-------+------+
| | 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 | 136| 393|Thunder 3|Precipitation | Snow, Ice Plts | and Date |
+--------+---------+--------+--------+----+----+------------+-------+------+---------+-------+-------------+----------------------+
| ≥90°F | ≤32°F | ≤32°F | ≤0°F |----|----|Heavy Fog 0| 1.05| 7- 8| 0.0 | - | 0 | - |
+--------+---------+--------+--------+----+----+------------+-------+------+---------+----+--+-------------+----------------------+
| 1 | 0 | 0 | 0 |----|----| Clear 5 Partly Cloudy 10 Cloudy 6 |
+--------+---------+--------+--------+----+----+------------------------------------------+
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
September 2023: Westford
+--+----+-----+-----+---+---+---+----------+----+-----+-----+---+---+---+----------+----+-----+-----+---+---+---+----------+
| | | | | | | | | | | | | | | | | | | | | | |
| | | | | 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 |
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| SEP 1 | SEP 2 | SEP 3 |
| | | |
|00| 0|30.15| 0.00| 50| 49| 96|31| 0| 0| 0|30.17| 0.00| 52| 51| 96|18| 0| 0| 0|29.89| 0.00| 65| 60| 85|17| 0| 8|
|03| 0|30.18| 0.00| 47| 46| 96|31| 0| 0| 0|30.14| 0.00| 52| 51| 96|18| 0| 0| 0|29.87| 0.00| 65| 61| 86|22| 1| 6|
|06| 0|30.21| 0.00| 46| 45| 96|31| 0| 0| 0|30.12| 0.00| 53| 52| 96|18| 1| 6| 0|29.86| 0.00| 64| 61| 88|17| 0| 3|
|09| 366|30.26| 0.00| 58| 57| 98|19| 0| 3| 352|30.09| 0.00| 62| 57| 85|17| 4| 18| 167|29.88| 0.00| 67| 63| 88|17| 3| 7|
|12| 728|30.27| 0.00| 72| 60| 67|21| 0| 4| 410|30.03| 0.00| 73| 62| 70|17| 3| 10| 775|29.86| 0.00| 77| 68| 74|24| 3| 9|
|15| 631|30.23| 0.00| 73| 60| 63|23| 0| 0| 244|29.94| 0.00| 76| 64| 68|18| 3| 13| 626|29.82| 0.00| 81| 70| 69|22| 3| 5|
|18| 146|30.18| 0.00| 71| 61| 72|18| 0| 1| 88|29.91| 0.00| 70| 62| 76|18| 1| 10| 156|29.79| 0.00| 82| 72| 74|21| 0| 0|
|21| 0|30.18| 0.00| 54| 52| 93|18| 0| 0| 0|29.90| 0.00| 65| 60| 86|17| 1| 6| 0|29.80| 0.00| 66| 64| 94|21| 0| 0|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| SEP 4 | SEP 5 | SEP 6 |
| | | |
|00| 0|29.81| 0.00| 65| 64| 96|20| 0| 1| 0|29.86| 0.00| 67| 66| 95|25| 0| 0| 0|29.87| 0.00| 67| 66| 96|25| 0| 0|
|03| 0|29.80| 0.00| 62| 61| 96|20| 0| 0| 0|29.88| 0.00| 66| 64| 96|25| 0| 0| 0|29.86| 0.00| 67| 67| 98|25| 0| 0|
|06| 0|29.81| 0.00| 61| 60| 97|20| 0| 0| 0|29.89| 0.00| 66| 65| 97|25| 0| 0| 0|29.85| 0.00| 67| 66| 97|25| 0| 0|
|09| 90|29.82| 0.00| 67| 66| 98|18| 0| 2| 160|29.93| 0.00| 73| 73| 99|25| 0| 0| 322|29.85| 0.00| 75| 74| 99|23| 0| 0|
|12| 696|29.81| 0.00| 82| 73| 73|22| 0| 7| 193|29.92| 0.00| 83| 75| 77|26| 1| 4| 689|29.80| 0.00| 85| 75| 73|21| 1| 6|
|15| 628|29.80| 0.00| 86| 75| 70|26| 3| 8| 682|29.89| 0.00| 87| 76| 69|27| 2| 4| 635|29.75| 0.00| 88| 76| 67|25| 1| 4|
|18| 178|29.80| 0.00| 87| 77| 72|25| 0| 0| 172|29.86| 0.00| 88| 78| 73|25| 0| 1| 167|29.71| 0.00| 87| 76| 70|00| 0| 0|
|21| 0|29.85| 0.00| 70| 68| 94|25| 0| 0| 0|29.87| 0.00| 69| 67| 94|25| 0| 0| 0|29.72| 0.00| 70| 68| 94|00| 0| 0|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| SEP 7 | SEP 8 | SEP 9 |
| | | |
|00| 0|29.69| 0.00| 68| 67| 96|00| 0| 0| 0|29.78| 0.00| 67| 66| 97|15| 1| 6| 0|29.97| 0.00| 66| 65| 96|01| 0| 1|
|03| 0|29.68| 0.00| 68| 67| 96|00| 0| 1| 0|29.75| 0.00| 65| 64| 97|16| 1| 5| 0|29.99| 0.00| 61| 60| 96|00| 0| 4|
|06| 0|29.69| 0.00| 68| 68| 97|18| 0| 2| 0|29.79| 0.00| 64| 63| 97|18| 0| 3| 0|30.04| 0.00| 59| 57| 95|00| 0| 4|
|09| 309|29.73| 0.00| 73| 72| 95|17| 2| 7| 260|29.85| 0.00| 68| 67| 95|17| 6| 18| 91|30.10| 0.00| 60| 58| 93|01| 1| 6|
|12| 687|29.72| 0.00| 86| 76| 72|18| 3| 10| 301|29.87| 0.00| 78| 71| 81|17| 2| 12| 691|30.12| 0.00| 66| 60| 81|05| 2| 5|
|15| 207|29.67| 0.00| 84| 74| 74|18| 0| 6| 647|29.85| 0.00| 82| 73| 76|18| 0| 9| 615|30.10| 0.00| 72| 63| 74|18| 0| 3|
|18| 33|29.72| 0.00| 67| 66| 96|07| 0| 0| 32|29.87| 0.00| 77| 70| 80|30| 1| 9| 97|30.09| 0.00| 68| 62| 83|26| 0| 0|
|21| 0|29.75| 0.00| 66| 65| 96|04| 0| 0| 0|29.93| 0.00| 68| 67| 95|01| 0| 0| 0|30.11| 0.00| 60| 59| 94|26| 0| 0|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| SEP 10 | SEP 11 | SEP 12 |
| | | |
|00| 0|30.10| 0.00| 59| 58| 95|26| 0| 0| 0|30.05| 0.00| 60| 59| 96|00| 0| 0| 0|30.01| 0.00| 56| 55| 96|00| 0| 0|
|03| 0|30.09| 0.14| 61| 59| 96|27| 0| 1| 0|30.03| 0.00| 60| 59| 97|00| 0| 0| 0|30.00| 0.00| 57| 56| 97|00| 0| 0|
|06| 0|30.06| 0.00| 60| 59| 97|02| 0| 0| 0|30.03| 0.00| 59| 58| 97|00| 0| 0| 0|29.96| 0.00| 58| 57| 98|00| 0| 0|
|09| 81|30.06| 0.00| 62| 62| 97|08| 0| 4| 36|30.04| 0.00| 59| 58| 98|00| 0| 0| 76|29.99| 0.00| 61| 60| 98|00| 0| 0|
|12| 385|30.07| 0.00| 67| 66| 97|16| 1| 4| 81|30.05| 0.00| 60| 59| 97|24| 0| 3| 216|29.98| 0.00| 66| 64| 93|22| 2| 7|
|15| 179|30.05| 0.00| 67| 65| 94|21| 0| 0| 87|30.04| 0.00| 62| 60| 94|29| 2| 7| 207|29.93| 0.00| 73| 66| 81|22| 1| 5|
|18| 16|30.05| 0.00| 64| 63| 95|29| 0| 1| 86|30.03| 0.00| 63| 61| 94|27| 0| 1| 95|29.89| 0.00| 76| 67| 74|18| 1| 3|
|21| 0|30.05| 0.00| 63| 61| 96|02| 0| 2| 0|30.03| 0.00| 59| 58| 94|00| 0| 0| 0|29.90| 0.00| 63| 62| 94|00| 0| 0|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| SEP 13 | SEP 14 | SEP 15 |
| | | |
|00| 0|29.89| 0.00| 61| 59| 95|00| 0| 0| 0|29.94| 0.00| 54| 53| 95|22| 0| 9| 0|30.13| 0.00| 49| 47| 93|27| 0| 0|
|03| 0|29.87| 0.00| 61| 60| 97|00| 0| 0| 0|29.94| 0.00| 53| 52| 96|22| 1| 5| 0|30.13| 0.00| 51| 49| 95|28| 0| 4|
|06| 0|29.87| 0.00| 60| 59| 97|00| 0| 0| 0|29.96| 0.01| 52| 50| 96|22| 1| 9| 0|30.16| 0.00| 47| 46| 96|28| 0| 1|
|09| 30|29.88| 0.00| 62| 61| 98|00| 0| 0| 33|30.00| 0.00| 52| 51| 98|27| 0| 2| 334|30.16| 0.00| 55| 54| 97|01| 0| 0|
|12| 109|29.89| 0.00| 63| 62| 97|00| 0| 0| 248|30.02| 0.00| 61| 53| 75|22| 4| 10| 663|30.15| 0.00| 66| 55| 69|23| 2| 7|
|15| 111|29.87| 0.00| 65| 64| 97|20| 0| 2| 200|30.03| 0.00| 62| 56| 80|27| 0| 8| 396|30.10| 0.00| 67| 55| 66|04| 1| 13|
|18| 112|29.84| 0.00| 67| 65| 94|00| 0| 0| 72|30.06| 0.00| 58| 54| 84|25| 1| 8| 84|30.07| 0.00| 62| 55| 78|02| 0| 0|
|21| 0|29.90| 0.00| 59| 58| 96|20| 0| 5| 0|30.11| 0.00| 54| 50| 88|27| 0| 4| 0|30.06| 0.00| 52| 50| 92|02| 0| 0|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| SEP 16 | SEP 17 | SEP 18 |
| | | |
|00| 0|30.01| 0.00| 51| 49| 94|02| 0| 0| 0|29.83| 0.00| 52| 50| 92|24| 0| 3| 0|29.84| 0.00| 57| 55| 91|19| 0| 1|
|03| 0|29.96| 0.00| 51| 50| 94|01| 0| 4| 0|29.82| 0.00| 51| 49| 95|23| 0| 1| 0|29.84| 0.00| 57| 55| 93|18| 0| 5|
|06| 0|29.92| 0.00| 51| 49| 94|32| 0| 0| 0|29.83| 0.00| 50| 49| 96|20| 0| 3| 0|29.80| 0.00| 56| 54| 95|18| 0| 1|
|09| 114|29.90| 0.00| 54| 53| 94|00| 0| 4| 413|29.88| 0.00| 59| 57| 93|17| 2| 5| 33|29.80| 0.00| 57| 55| 96|08| 0| 0|
|12| 274|29.88| 0.00| 61| 56| 84|24| 1| 5| 406|29.87| 0.00| 69| 59| 70|20| 1| 5| 102|29.78| 0.00| 59| 57| 93|08| 0| 0|
|15| 810|29.83| 0.00| 70| 59| 69|26| 8| 13| 281|29.85| 0.00| 70| 58| 66|26| 0| 2| 62|29.77| 0.00| 59| 57| 93|08| 0| 3|
|18| 86|29.80| 0.00| 65| 55| 70|28| 1| 9| 44|29.84| 0.00| 68| 58| 70|24| 0| 3| 46|29.74| 0.00| 60| 58| 94|08| 0| 0|
|21| 0|29.82| 0.00| 55| 52| 88|25| 0| 4| 0|29.86| 0.00| 58| 56| 92|19| 0| 4| 0|29.73| 0.00| 57| 56| 95|08| 0| 0|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
MAXIMUM SHORT DURATION PRECIPITATION
+------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
| Time Period (minutes) | 5 | 10 | 15 | 20 | 30 | 45 | 60 | 80 | 100 | 120 | 150 | 180 |
+------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
| Precipitation | 1.25 | 1.25 | 1.25 | 1.25 | 1.25 | 1.25 | 1.25 | 1.25 | 1.25 | 1.25 | 1.25 | 1.25 |
+------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
| Ended: Date | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
+------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
| Ended: Time | 1841 | 1841 | 1841 | 1841 | 1841 | 1841 | 1841 | 1841 | 1841 | 1841 | 1841 | 1841 |
+------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
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
September 2023: Westford
+--+----+-----+-----+---+---+---+----------+----+-----+-----+---+---+---+----------+----+-----+-----+---+---+---+----------+
| | | | | | | | | | | | | | | | | | | | | | |
| | | | | 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 |
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| SEP 19 | SEP 20 | SEP 21 |
| | | |
|00| 0|29.71| 0.00| 58| 56| 96|08| 0| 0| 0|29.96| 0.00| 56| 54| 93|21| 0| 4| 0|30.18| 0.00| 46| 45| 95|05| 0| 0|
|03| 0|29.68| 0.00| 57| 56| 97|26| 1| 8| 0|29.99| 0.00| 52| 50| 94|27| 1| 3| 0|30.19| 0.00| 44| 42| 96|05| 0| 0|
|06| 0|29.68| 0.00| 56| 56| 97|24| 3| 14| 0|30.03| 0.00| 51| 50| 95|24| 0| 0| 0|30.23| 0.00| 43| 42| 96|05| 0| 0|
|09| 25|29.71| 0.11| 57| 56| 97|25| 3| 9| 301|30.07| 0.00| 55| 53| 93|24| 0| 2| 269|30.28| 0.00| 54| 53| 98|05| 0| 0|
|12| 107|29.74| 0.00| 57| 56| 97|25| 7| 17| 686|30.09| 0.00| 64| 54| 68|23| 4| 8| 638|30.29| 0.00| 65| 54| 68|26| 0| 4|
|15| 49|29.79| 0.00| 57| 56| 96|26| 4| 14| 580|30.09| 0.00| 66| 50| 56|27| 2| 8| 543|30.27| 0.00| 67| 53| 59|26| 3| 10|
|18| 7|29.86| 0.00| 56| 55| 95|25| 4| 12| 32|30.08| 0.00| 63| 54| 72|05| 0| 0| 44|30.28| 0.00| 65| 56| 75|25| 0| 0|
|21| 0|29.92| 0.00| 56| 54| 94|27| 0| 8| 0|30.15| 0.00| 48| 46| 93|05| 0| 0| 0|30.31| 0.00| 49| 47| 93|25| 0| 0|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| SEP 22 | SEP 23 | SEP 24 |
| | | |
|00| 0|30.32| 0.00| 46| 45| 95|25| 0| 0| 0|30.31| 0.00| 51| 49| 96|21| 0| 0| 0|30.19| 0.00| 53| 52| 95|27| 0| 0|
|03| 0|30.33| 0.00| 44| 43| 96|25| 0| 0| 0|30.30| 0.00| 49| 48| 96|21| 0| 0| 0|30.16| 0.00| 52| 51| 96|27| 0| 0|
|06| 0|30.37| 0.00| 43| 42| 96|10| 0| 0| 0|30.29| 0.00| 47| 46| 96|21| 0| 0| 0|30.16| 0.00| 51| 50| 97|27| 0| 0|
|09| 276|30.41| 0.00| 53| 52| 98|10| 0| 0| 244|30.30| 0.00| 54| 54| 98|21| 0| 0| 127|30.17| 0.00| 56| 55| 98|27| 0| 0|
|12| 633|30.39| 0.00| 69| 58| 67|21| 1| 6| 584|30.27| 0.00| 68| 59| 72|03| 1| 4| 480|30.17| 0.00| 65| 57| 73|30| 0| 3|
|15| 548|30.33| 0.00| 72| 57| 60|19| 0| 5| 563|30.21| 0.00| 70| 55| 59|04| 2| 5| 330|30.12| 0.00| 68| 59| 73|19| 2| 4|
|18| 51|30.31| 0.00| 66| 60| 80|21| 0| 0| 35|30.20| 0.00| 62| 58| 87|27| 0| 0| 47|30.11| 0.00| 64| 58| 80|24| 0| 0|
|21| 0|30.32| 0.00| 53| 51| 93|21| 0| 0| 0|30.20| 0.00| 54| 52| 94|27| 0| 0| 0|30.11| 0.00| 51| 49| 93|24| 0| 0|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| SEP 25 | SEP 26 | SEP 27 |
| | | |
|00| 0|30.10| 0.00| 48| 47| 95|24| 0| 0| | | | | | | | | | | | | | | | | | |
|03| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|06| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|09| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|12| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|15| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|18| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|21| | | | | | | | | | | | | | | | | | | | | | | | | | | |
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| SEP 28 | SEP 29 | SEP 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|29.989| 57| 56| 95| 0.1| 17 | 0.1|
|03| 0|29.979| 56| 55| 96| 0.2| 23 | 0.1|
|06| 0|29.984| 55| 54| 96| 0.2| 23 | 0.2|
|09| 188|30.007| 60| 59| 96| 0.8| 18 | 0.7|
|12| 449|30.001| 69| 62| 79| 1.7| 22 | 1.2|
|15| 411|29.972| 72| 63| 74| 1.5| 25 | 1.1|
|18| 80|29.962| 69| 63| 81| 0.3| 25 | 0.3|
|21| 0|29.983| 59| 57| 93| 0.1| 20 | 0.1|
+--+----+------+---+---+---+-----+----+----+
HOURLY PRECIPITATION (Water Equivalent)
September 2023: Westford
---+-----------------------------------------------------------+-----------------------------------------------------------+---
| | |
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| | | | | |0.01| | | | | | | | | | | | | | | | | | |02
03| | | | | | | | | | | | | | | | | | | | | | | | |03
04| | | | | | | | | | | | | | | | | | | | | | | | |04
05| | | | | | | | | | | | | | | | | | | | | | | | |05
| | | | | | | | | | | | | | | | | | | | | | | | |
06| | | | | | | | | | | | | | | | | | | | | | | | |06
07| | | | | | | | | | | | | | | |0.64|0.08|0.03| | | | |0.22|0.05|07
08|0.01| | |0.01|0.01| | | | | | | | | | | | | |0.49| | | | | |08
09| |0.01| | | | | | | | | | | | | | | | | | | | | | |09
10| | |0.44|0.04| | | | | | |0.01| | | | | | |0.03|0.06|0.01| | |0.15|0.03|10
| | | | | | | | | | | | | | | | | | | | | | | | |
11|0.02| | |0.01| | | | | | | | | | | | | | | | | | | | |11
12| | | | | | | | | | | | | | | | | | | | | | | | |12
13| | | | | | | |0.01|0.01|0.05|0.37|0.04|0.02| | | | |0.40|0.01| | | | | |13
14| | | | | |0.01| | | | | | | | | | | | | | | | | | |14
15| | | | | | | | | | | | | | | | | | | | | | | | |15
| | | | | | | | | | | | | | | | | | | | | | | | |
16| | | | | | | | | | | | | | | | | | | | | | | | |16
17| | | | | | | | | |0.01| | | | | | | | | | | | | | |17
18| | |0.01|0.01|0.03|0.01| | | | | | | | | | |0.02| | | | | | | |18
19|0.01| |0.02|0.10|0.01| |0.02|0.02|0.17|0.10|0.02|0.19|0.03|0.04|0.02|0.02| | | | | | | | |19
20| | | | | | | | | | | | | | | | | | | | | | | | |20
| | | | | | | | | | | | | | | | | | | | | | | | |
21| | | | | | | | | | | | | | | | | | | | | | | | |21
22| | | | |0.01| | | | | | | | | | | | | | | | | | | |22
23| | | | | | | | | | | | | | | | | | | | | | | | |23
24| | | | | | | | | | | | | | | | | | | | | | | | |24
25| | | | | | | | | | | | | | | | | | | | | | | | |25
| | | | | | | | | | | | | | | | | | | | | | | | |
26| | | | | | | | | | | | | | | | | | | | | | | | |26
27| | | | | | | | | | | | | | | | | | | | | | | | |27
28| | | | | | | | | | | | | | | | | | | | | | | | |28
29| | | | | | | | | | | | | | | | | | | | | | | | |29
30| | | | | | | | | | | | | | | | | | | | | | | | |30
---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+---
Sum|0.04|0.01|0.47|0.17|0.06|0.03|0.02|0.03|0.18|0.16|0.40|0.23|0.05|0.04|0.02|0.66|0.10|0.46|0.56|0.01|0.00|0.00|0.37|0.08|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.)
|
 |
Current Radar Loop:
Sun Position
|
|
