LOCAL CLIMATOLOGICAL DATA
Hourly Summary
November 17, 2025

Station: Westford
Latitude: 44° 37' 38" N
Longitude: 73° 02' 30" W
Elevation (ground): 850 ft.
Time Zone: Eastern

+--+------------------------+----+-----+--------------------+------------------------+------+
|  |       Temperature      |    | Pre-|      Pressure      |           Wind         |Solar |
|  +------+------+------+---+ Hu-|cipi-|  Adj. to Sea Level +----+---+-------+-------+------+
|  |   M  |   M  |      |   |mid-| ta- +------+------+------+ Avg|Res| Peak  |2Minute| Mean |
|  |   a  |   i  |      | D | ity| tion|      |      |      |    |   +---+---+---+---+   W  |
|  |   x  |   n  |      | e |    |     |      |      |      |  S |   | S |   | S |   |   a  |
| H|   i  |   i  |   M  | w |  M |     |      |      |   M  |  p |   | p |   | p |   |   t  |
| o|   m  |   m  |   e  |   |  e |Water|   M  |   M  |   e  |  e | D | e | D | e | D |   t  |
| u|   u  |   u  |   a  | P |  a |     |   a  |   i  |   a  |  e | i | e | i | e | i |   s  |
| r|   m  |   m  |   n  | t |  n |Equiv|   x  |   n  |   n  |  d | r | d | r | d | r |  m²  |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
| 1|   2  |   3  |   4  | 5 |  6 |  7  |   8  |   9  |  10  | 11 | 12| 13| 14| 15| 16|  17  |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
|00| 28.2 | 27.5 | 27.7 | 24|  84| 0.00| 29.33| 29.32|29.327| 8.0|256| 20| SW| 12|262|    0 |
|01| 27.8 | 27.5 | 27.7 | 23|  84| 0.00| 29.35| 29.33|29.338| 7.3|266| 21|WSW| 12|248|    0 |
|02| 27.5 | 26.6 | 27.2 | 23|  86| 0.00| 29.36| 29.34|29.349| 8.4|262| 21|WSW| 13|268|    0 |
|03| 26.7 | 26.2 | 26.5 | 23|  88| 0.00| 29.38| 29.36|29.366| 7.9|257| 24|WSW| 15|247|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|04| 26.8 | 26.6 | 26.7 | 23|  86| 0.00| 29.40| 29.38|29.390| 7.6|264| 22|  W| 12|250|    0 |
|05| 26.8 | 26.1 | 26.6 | 23|  86| 0.00| 29.42| 29.39|29.406| 7.5|262| 19|  W| 11|252|    0 |
|06| 26.4 | 25.9*| 26.2 | 23|  87| 0.00| 29.45| 29.42|29.437| 7.1|263| 21|WNW| 11|248|    0 |
|07| 26.5 | 26.2 | 26.3 | 23|  87| 0.00| 29.49| 29.45|29.474| 6.7|261| 20|WSW| 12|267|   11 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|08| 27.6 | 26.5 | 27.0 | 23|  85| 0.00| 29.52| 29.49|29.506| 6.8|267| 22|WSW| 13|254|   66 |
|09| 28.0 | 27.6 | 27.7 | 23|  83| 0.00| 29.55| 29.52|29.535| 6.8|271| 19|  W| 10|263|   76 |
|10| 28.6 | 27.8 | 28.2 | 24|  83| 0.00| 29.56| 29.55|29.558| 7.5|263| 21|WSW| 12|264|  134 |
|11| 29.2 | 28.0 | 28.5 | 24|  82| 0.00| 29.58| 29.56|29.568| 7.9|260| 21| SW| 13|253|  132 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|12| 29.5 | 28.9 | 29.2 | 24|  80| 0.00| 29.60| 29.57|29.586| 6.4|266| 21|  W| 13|264|   84 |
|13| 29.6 | 29.2 | 29.4 | 24|  80| 0.00| 29.62| 29.60|29.609| 7.0|263| 17|  W| 11|259|   57 |
|14| 29.8*| 29.3 | 29.5 | 24|  79| 0.00| 29.64| 29.62|29.630| 6.0|256| 18|  W| 10|262|   39 |
|15| 29.8 | 29.0 | 29.5 | 24|  81| 0.00| 29.68| 29.64|29.660| 6.8|255| 18|  W| 11|248|   13 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|16| 29.4 | 28.9 | 29.1 | 24|  82| 0.00| 29.71| 29.68|29.688| 6.9|260| 19|WNW| 11|252|    0 |
|17| 29.4 | 29.1 | 29.2 | 24|  82| 0.00| 29.73| 29.71|29.715| 6.2|256| 17| SW| 11|258|    0 |
|18| 29.3 | 29.0 | 29.2 | 25|  83| 0.00| 29.75| 29.72|29.738| 4.8|261| 17|WSW| 10|257|    0 |
|19| 29.5 | 29.1 | 29.3 | 25|  83| 0.00| 29.76| 29.75|29.755| 5.9|259| 18|  W| 10|278|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|20| 29.5 | 29.3 | 29.4 | 24|  81| 0.00| 29.77| 29.76|29.765| 7.7|260| 18|  W| 12|254|    0 |
|21| 29.6 | 29.3 | 29.4 | 24|  80| 0.00| 29.80| 29.77|29.785| 6.9|257| 18|  W| 12|265|    0 |
|22| 29.6 | 29.3 | 29.4 | 24|  81| 0.00| 29.82| 29.80|29.802| 6.4|254| 16|  W| 12|253|    0 |
|23| 29.4 | 29.1 | 29.3 | 24|  82| 0.00| 29.83| 29.82|29.824| 6.3|257| 16|  W| 10|251|    0 |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |Total|                For the day:                 | ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- | 0.00| 29.83| 29.32|29.575| 6.9|261| 24|WSW| 15|247| ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   |     Avg     | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - |  Hour |  Hour |  Avg |
   +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
   |     27.8    | 28.3 | 24|83.1| 3.83|  23  |   0  | ---- | -- | - |    3  |    3  |  25.6|
   +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
   | Total Snow,        |                                   |             |      |  Heat  37|
   | Ice Pellets        | Greatest Depth on Ground          | Precip Types|Degree+----------+
   |                1.9 | of Snow, Ice Pellets or Ice     3 |  .........  | Days |  Cool   0|
   +--------------------+-----------------------------------+-------------+------+----------+

  NOTES:
   Data in columns 4, 5, 6, 10, 11, 17 are means via continuous observations for each hour.
   Units: Temperature=°F, Wind=mph, Pressure=Inches Hg, Precipitation=inches.
   Column 5: Dew point is calculated from temperature and humidity and is continuously averaged for each hour.
   Column 12: Resultant wind is calculated by the vector sum of continuous wind observations.
   Precipitation types:
     1 FOG, 2 HEAVY FOG, 3 THUNDER, 4 ICE PELLETS, 5 HAIL, 6 GLAZE, 7 DUSTSTORM,
     8 SMOKE/HAZE, 9 BLOWING SNOW.
   Degree Days heating base is 65°F, cooling base is 65°F.