LOCAL CLIMATOLOGICAL DATA
Hourly Summary
October 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| 33.0 | 32.2 | 32.6 | 29|  85| 0.00| 30.00| 29.98|29.989| 0.0|335|  3|  N|  1|339|    0 |
|01| 34.4 | 32.4 | 33.5 | 29|  84| 0.00| 30.00| 30.00|30.000| 0.1| 10|  4|  N|  1| 11|    0 |
|02| 33.5 | 31.1 | 32.2 | 28|  85| 0.00| 30.01| 30.00|30.006| 0.0|  5|  0|  N|  0| 11|    0 |
|03| 31.1 | 30.5 | 30.8 | 28|  88| 0.00| 30.01| 30.01|30.008| 0.0|  5|  0|  N|  0| 11|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|04| 31.1 | 30.5 | 30.7 | 28|  89| 0.00| 30.02| 30.01|30.016| 0.0|  5|  0|  N|  0| 11|    0 |
|05| 30.5 | 29.5 | 30.1 | 27|  89| 0.00| 30.04| 30.02|30.030| 0.0|  5|  0|  N|  0| 11|    0 |
|06| 29.7 | 29.1*| 29.5 | 27|  90| 0.00| 30.05| 30.04|30.045| 0.0|  5|  0|  N|  0| 11|    0 |
|07| 30.6 | 29.6 | 30.0 | 28|  91| 0.00| 30.05| 30.04|30.046| 0.0|  5|  0|  N|  0| 11|    8 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|08| 33.1 | 30.5 | 31.7 | 30|  92| 0.00| 30.05| 30.04|30.041| 0.0|  5|  0|  N|  0| 11|   22 |
|09| 44.7 | 33.0 | 38.0 | 34|  87| 0.00| 30.05| 30.04|30.048| 0.4|277|  8|  W|  4|261|  224 |
|10| 50.6 | 44.7 | 47.5 | 37|  67| 0.00| 30.05| 30.04|30.048| 1.0|240|  7|WSW|  4|247|  404 |
|11| 53.3 | 50.6 | 51.8 | 36|  56| 0.00| 30.04| 30.03|30.038| 1.1|335|  9|NNW|  3|299|  489 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|12| 54.3 | 53.1 | 53.8 | 38|  54| 0.00| 30.03| 30.01|30.021| 2.3|293| 13| NW|  7|339|  535 |
|13| 55.1 | 53.5 | 54.2 | 38|  54| 0.00| 30.01| 29.99|30.002| 2.4|280| 13|  W|  7|262|  494 |
|14| 55.5 | 54.5 | 55.1 | 38|  53| 0.00| 29.99| 29.98|29.986| 1.5|277| 11| NW|  5|274|  415 |
|15| 54.6 | 53.7 | 54.0 | 38|  55| 0.00| 29.98| 29.96|29.969| 1.2|279|  8|  W|  5|274|  239 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|16| 56.4*| 53.4 | 55.1 | 39|  54| 0.00| 29.96| 29.95|29.955| 0.3|322|  5|NNW|  2|290|  202 |
|17| 53.4 | 45.9 | 50.3 | 38|  63| 0.00| 29.96| 29.95|29.954| 0.1|349|  3|NNW|  1|349|   28 |
|18| 45.9 | 38.2 | 41.4 | 35|  78| 0.00| 29.96| 29.96|29.960| 0.0|348|  0|NNW|  0|349|    0 |
|19| 38.2 | 35.7 | 37.0 | 33|  85| 0.00| 29.97| 29.96|29.969| 0.0|348|  0|NNW|  0|349|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|20| 35.7 | 34.8 | 35.2 | 32|  87| 0.00| 29.98| 29.97|29.974| 0.0|348|  0|NNW|  0|349|    0 |
|21| 34.8 | 33.5 | 34.2 | 31|  88| 0.00| 29.98| 29.98|29.980| 0.0|348|  2|NNW|  0|348|    0 |
|22| 33.5 | 33.0 | 33.2 | 30|  90| 0.00| 29.98| 29.98|29.982| 0.0|348|  0|NNW|  0|348|    0 |
|23| 33.2 | 32.4 | 32.8 | 30|  90| 0.00| 29.99| 29.98|29.981| 0.0|348|  0|NNW|  0|348|    0 |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |Total|                For the day:                 | ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- | 0.00| 30.05| 29.95|30.002| 0.4|286| 13| NW|  7|262| ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   |     Avg     | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - |  Hour |  Hour |  Avg |
   +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
   |     42.8    | 39.8 | 33|77.3| 1.81|   9+ |  16+ | ---- | -- | - |   12+ |   13  | 127.5|
   +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
   | Total Snow,        |                                   |             |      |  Heat  22|
   | Ice Pellets        | Greatest Depth on Ground          | Precip Types|Degree+----------+
   |                0.0 | of Snow, Ice Pellets or Ice     0 |  .........  | 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.