LOCAL CLIMATOLOGICAL DATA
Hourly Summary
November 19, 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| 21.3 | 20.0 | 20.7 | 18|  91| 0.00| 30.11| 30.10|30.108| 0.1|190|  3|  S|  1|190|    0 |
|01| 21.0 | 20.0 | 20.6 | 18|  91| 0.00| 30.11| 30.10|30.106| 0.0|190|  0|  S|  0|190|    0 |
|02| 21.4 | 20.0 | 20.8 | 18|  91| 0.00| 30.12| 30.11|30.115| 0.0|190|  0|  S|  0|190|    0 |
|03| 21.1 | 19.7 | 20.4 | 18|  91| 0.00| 30.12| 30.12|30.120| 0.0|190|  3|  S|  0|190|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|04| 20.3 | 18.9 | 19.5 | 17|  90| 0.00| 30.13| 30.12|30.126| 0.0|190|  0|  S|  0|190|    0 |
|05| 20.6 | 19.7 | 20.2 | 18|  91| 0.00| 30.15| 30.13|30.141| 0.0|190|  0|  S|  0|190|    0 |
|06| 20.4 | 18.9 | 19.5 | 17|  90| 0.00| 30.17| 30.15|30.157| 0.0|190|  0|  S|  0|190|    0 |
|07| 20.7 | 18.7*| 19.4 | 17|  90| 0.00| 30.18| 30.17|30.174| 0.0|190|  0|  S|  0|190|   11 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|08| 25.5 | 20.6 | 22.6 | 21|  92| 0.00| 30.20| 30.18|30.190| 0.0|190|  0|  S|  0|190|   30 |
|09| 29.7 | 25.5 | 28.5 | 27|  93| 0.00| 30.21| 30.20|30.202| 0.1|219|  5|SSW|  2|219|  162 |
|10| 31.3 | 29.2 | 30.1 | 27|  90| 0.00| 30.21| 30.19|30.202| 0.3|271|  6|  W|  2|301|  142 |
|11| 34.6 | 31.2 | 33.1 | 27|  79| 0.01| 30.20| 30.19|30.195| 2.0|261|  9|WSW|  6|257|  342 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|12| 37.0 | 34.6 | 36.2 | 26|  67| 0.00| 30.20| 30.18|30.189| 1.6|269|  8| NW|  5|278|  384 |
|13| 37.4*| 36.7 | 37.1 | 26|  64| 0.02| 30.19| 30.18|30.184| 1.4|259|  9|WSW|  5|255|  312 |
|14| 36.9 | 35.4 | 35.9 | 26|  66| 0.03| 30.21| 30.19|30.199| 1.2|288|  8| NW|  4|268|   98 |
|15| 35.4 | 31.6 | 33.6 | 25|  72| 0.00| 30.22| 30.21|30.215| 0.2|315|  6| NW|  2|319|   28 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|16| 31.6 | 28.0 | 29.6 | 24|  79| 0.00| 30.24| 30.22|30.228| 0.0|316|  1| NW|  0|316|    2 |
|17| 28.0 | 26.1 | 26.9 | 23|  84| 0.00| 30.25| 30.23|30.242| 0.0|316|  0| NW|  0|316|    0 |
|18| 26.2 | 24.5 | 25.1 | 22|  87| 0.00| 30.25| 30.25|30.250| 0.0|316|  0| NW|  0|316|    0 |
|19| 24.5 | 23.1 | 23.8 | 21|  88| 0.00| 30.26| 30.25|30.256| 0.0|316|  0| NW|  0|316|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|20| 23.1 | 21.9 | 22.4 | 20|  89| 0.00| 30.26| 30.25|30.257| 0.0|316|  0| NW|  0|316|    0 |
|21| 22.0 | 20.5 | 21.0 | 18|  89| 0.00| 30.26| 30.25|30.253| 0.0|316|  0| NW|  0|316|    0 |
|22| 20.7 | 20.0 | 20.4 | 18|  90| 0.00| 30.27| 30.25|30.263| 0.0|316|  0| NW|  0|316|    0 |
|23| 20.6 | 19.5 | 20.2 | 18|  90| 0.00| 30.27| 30.26|30.270| 0.0|316|  0| NW|  0|316|    0 |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |Total|                For the day:                 | ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- | 0.06| 30.27| 30.10|30.193| 0.3|268|  9|WSW|  6|257| ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   |     Avg     | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - |  Hour |  Hour |  Avg |
   +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
   |     28.1    | 25.3 | 21|85.2| 3.89|  22+ |   0+ | ---- | -- | - |   11+ |   11  |  63.0|
   +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
   | Total Snow,        |                                   |             |      |  Heat  37|
   | Ice Pellets        | Greatest Depth on Ground          | Precip Types|Degree+----------+
   |                0.0 | of Snow, Ice Pellets or Ice     1 |  .........  | 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.