LOCAL CLIMATOLOGICAL DATA
Hourly Summary
December 28, 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|  2.5 |  1.8 |  2.2 | -1|  86| 0.00| 30.22| 30.21|30.214| 0.0|263|  0|  W|  0|263|    0 |
|01|  1.9 |  1.2 |  1.6 | -1|  86| 0.00| 30.22| 30.21|30.215| 0.0|263|  0|  W|  0|263|    0 |
|02|  2.6 |  1.1 |  1.5 | -2|  87| 0.00| 30.24| 30.22|30.226| 0.0|263|  0|  W|  0|263|    0 |
|03|  4.1 |  1.0*|  2.5 | -1|  86| 0.00| 30.24| 30.24|30.240| 0.0|263|  0|  W|  0|263|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|04|  1.8 |  1.1 |  1.5 | -2|  86| 0.00| 30.25| 30.23|30.241| 0.0|263|  0|  W|  0|263|    0 |
|05|  2.2 |  1.8 |  2.0 | -1|  86| 0.00| 30.24| 30.23|30.233| 0.0|263|  0|  W|  0|263|    0 |
|06|  2.4 |  1.4 |  1.8 | -1|  86| 0.00| 30.23| 30.22|30.221| 0.0|263|  0|  W|  0|263|    0 |
|07|  4.1 |  2.2 |  3.3 |  0|  87| 0.00| 30.22| 30.19|30.206| 0.0|244|  3| SW|  0|235|    2 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|08|  8.7 |  4.1 |  5.9 |  3|  88| 0.00| 30.19| 30.16|30.172| 0.2|199|  6|  S|  3|197|   21 |
|09| 12.2 |  8.7 | 10.7 |  7|  86| 0.00| 30.17| 30.16|30.165| 1.4|179|  9|SSE|  6|178|  108 |
|10| 15.5 | 12.1 | 14.0 |  9|  80| 0.00| 30.16| 30.12|30.141| 0.7|175|  7|SSE|  4|173|  172 |
|11| 21.8 | 14.2 | 17.3 | 11|  75| 0.00| 30.12| 30.07|30.097| 0.8|176|  8|  S|  5|182|  383 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|12| 24.2 | 21.8 | 23.2 | 14|  67| 0.00| 30.07| 30.03|30.050| 2.1|175|  8|  S|  5|182|  337 |
|13| 27.3 | 24.1 | 26.2 | 15|  63| 0.00| 30.03| 30.00|30.016| 1.1|166|  6|SSE|  5|167|  345 |
|14| 27.4 | 25.2 | 26.7 | 16|  65| 0.00| 30.00| 29.98|29.990| 0.1|147|  4|SSE|  1|134|  202 |
|15| 25.3 | 23.1 | 24.0 | 16|  72| 0.00| 29.98| 29.96|29.971| 0.0|134|  2| SE|  0|134|   24 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|16| 23.1 | 22.2 | 22.7 | 16|  76| 0.00| 29.96| 29.93|29.942| 0.1|134|  3| SE|  1|134|    0 |
|17| 22.5 | 21.5 | 21.8 | 16|  80| 0.00| 29.93| 29.88|29.905| 0.0|134|  0| SE|  0|134|    0 |
|18| 21.9 | 21.6 | 21.7 | 17|  80| 0.00| 29.88| 29.85|29.868| 0.0|134|  0| SE|  0|134|    0 |
|19| 25.3 | 21.6 | 23.1 | 17|  78| 0.00| 29.86| 29.80|29.828| 0.9|168|  9|SSE|  4|160|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|20| 26.8 | 25.3 | 25.9 | 19|  73| 0.00| 29.81| 29.76|29.787| 2.3|170| 16|  S|  6|165|    0 |
|21| 28.2 | 26.1 | 27.2 | 20|  74| 0.00| 29.76| 29.73|29.745| 1.3|175|  9|SSE|  4|178|    0 |
|22| 29.7 | 26.9 | 28.6 | 23|  78| 0.00| 29.73| 29.68|29.710| 3.0|167| 13|  S|  7|167|    0 |
|23| 30.1*| 28.0 | 28.7 | 25|  87| 0.00| 29.68| 29.61|29.640| 0.0|175|  2|  S|  0|179|    0 |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |Total|                For the day:                 | ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- | 0.00| 30.25| 29.61|30.034| 0.6|172| 16|  S|  7|167| ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   |     Avg     | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - |  Hour |  Hour |  Avg |
   +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
   |     15.6    | 15.2 | 10|79.7| 3.44|   4  |  23  | ---- | -- | - |   20  |   22  |  66.4|
   +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
   | Total Snow,        |                                   |             |      |  Heat  49|
   | Ice Pellets        | Greatest Depth on Ground          | Precip Types|Degree+----------+
   |                0.0 | of Snow, Ice Pellets or Ice     6 |  .........  | 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.