LOCAL CLIMATOLOGICAL DATA
Hourly Summary
November 20, 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| 19.5 | 17.7 | 18.7 | 16|  90| 0.00| 30.26| 30.25|30.258| 0.0|316|  0| NW|  0|316|    0 |
|01| 17.7 | 17.1 | 17.3 | 15|  90| 0.00| 30.26| 30.26|30.261| 0.0|316|  0| NW|  0|316|    0 |
|02| 18.0 | 17.1 | 17.6 | 15|  90| 0.00| 30.27| 30.25|30.260| 0.0|316|  0| NW|  0|316|    0 |
|03| 19.5 | 18.0 | 18.9 | 17|  91| 0.00| 30.25| 30.24|30.248| 0.1|328|  3| NW|  1|328|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|04| 19.5 | 18.6 | 18.9 | 17|  91| 0.00| 30.25| 30.25|30.248| 0.0| 26|  0| NW|  0|328|    0 |
|05| 18.6 | 15.6*| 17.2 | 15|  89| 0.00| 30.26| 30.25|30.251| 0.0| 26|  0| NW|  0|328|    0 |
|06| 19.8 | 15.8 | 18.3 | 16|  91| 0.00| 30.27| 30.26|30.265| 0.0| 26|  0| NW|  0|328|    0 |
|07| 21.6 | 19.7 | 20.9 | 19|  91| 0.00| 30.28| 30.27|30.274| 0.0| 26|  0| NW|  0|328|   16 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|08| 24.1 | 21.3 | 22.8 | 21|  92| 0.00| 30.27| 30.26|30.268| 0.0| 26|  0| NW|  0|328|   76 |
|09| 25.4 | 23.9 | 24.6 | 23|  92| 0.00| 30.27| 30.26|30.265| 0.0| 26|  0| NW|  0|328|  192 |
|10| 26.7 | 25.1 | 26.0 | 24|  92| 0.00| 30.27| 30.25|30.264| 2.4|173|  8|  S|  5|173|  193 |
|11| 30.3 | 26.5 | 28.0 | 26|  91| 0.01| 30.25| 30.22|30.234| 2.2|174|  8|  S|  5|163|  278 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|12| 34.9 | 30.3 | 32.3 | 28|  83| 0.00| 30.22| 30.20|30.212| 1.4|164|  6|SSE|  4|164|  340 |
|13| 37.1*| 34.9 | 36.0 | 27|  69| 0.00| 30.20| 30.18|30.191| 0.6|218|  5|SSE|  4|200|  270 |
|14| 37.1 | 35.8 | 36.3 | 26|  66| 0.00| 30.19| 30.18|30.185| 0.9|210|  5| SW|  3|214|  102 |
|15| 35.9 | 34.4 | 35.1 | 26|  69| 0.00| 30.19| 30.17|30.180| 0.9|189|  6|  S|  3|188|   53 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|16| 34.4 | 29.0 | 31.6 | 26|  78| 0.00| 30.17| 30.15|30.161| 0.0|188|  0|  S|  0|188|    5 |
|17| 29.0 | 27.1 | 28.1 | 24|  85| 0.00| 30.16| 30.15|30.159| 0.0|188|  0|  S|  0|188|    0 |
|18| 27.2 | 25.3 | 26.3 | 23|  87| 0.00| 30.16| 30.15|30.150| 0.0|188|  0|  S|  0|188|    0 |
|19| 25.5 | 24.4 | 25.0 | 22|  88| 0.00| 30.15| 30.13|30.142| 0.0|188|  0|  S|  0|188|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|20| 25.3 | 24.3 | 24.8 | 22|  89| 0.00| 30.14| 30.13|30.133| 0.0|188|  0|  S|  0|188|    0 |
|21| 26.2 | 24.6 | 25.4 | 23|  90| 0.00| 30.13| 30.12|30.123| 0.0|188|  0|  S|  0|188|    0 |
|22| 26.5 | 26.0 | 26.2 | 23|  89| 0.00| 30.12| 30.11|30.118| 0.1|188|  3|  S|  1|188|    0 |
|23| 26.5 | 25.9 | 26.2 | 23|  88| 0.00| 30.11| 30.08|30.097| 0.4|185|  4|  S|  2|188|    0 |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |Total|                For the day:                 | ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- | 0.01| 30.28| 30.08|30.206| 0.4|181|  8|  S|  5|173| ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   |     Avg     | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - |  Hour |  Hour |  Avg |
   +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
   |     26.3    | 25.1 | 21|86.3| 3.90|   7  |  23  | ---- | -- | - |   10+ |   10  |  63.6|
   +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
   | Total Snow,        |                                   |             |      |  Heat  38|
   | 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.