LOCAL CLIMATOLOGICAL DATA
Hourly Summary
November 18, 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| 29.2 | 29.0 | 29.2 | 24|  81| 0.00| 29.84| 29.83|29.835| 6.0|259| 16| SW| 10|245|    0 |
|01| 29.3 | 29.0 | 29.1 | 24|  82| 0.00| 29.86| 29.84|29.851| 6.1|252| 16|WSW| 12|254|    0 |
|02| 29.3 | 29.1 | 29.2 | 24|  82| 0.00| 29.88| 29.85|29.865| 6.1|254| 16|  W| 10|260|    0 |
|03| 29.3 | 29.0 | 29.1 | 25|  83| 0.00| 29.89| 29.87|29.881| 5.8|259| 16|WSW| 11|257|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|04| 29.1 | 28.8 | 29.0 | 25|  83| 0.00| 29.91| 29.89|29.900| 6.5|251| 18|  W| 11|249|    0 |
|05| 29.0 | 28.6 | 28.8 | 24|  83| 0.00| 29.93| 29.91|29.921| 5.7|245| 15|WSW| 10|248|    0 |
|06| 28.7 | 28.5 | 28.6 | 24|  83| 0.00| 29.97| 29.93|29.949| 5.3|246| 16|  W|  9|249|    0 |
|07| 28.9 | 28.6 | 28.7 | 24|  84| 0.00| 29.99| 29.97|29.983| 2.2|250| 10|WSW|  5|256|   15 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|08| 29.3 | 28.8 | 29.1 | 24|  82| 0.00| 30.01| 29.99|29.999| 5.5|246| 16|  W|  9|251|   68 |
|09| 30.6 | 29.2 | 29.7 | 24|  80| 0.00| 30.03| 30.01|30.016| 6.2|238| 17|  W| 10|246|  108 |
|10| 32.1 | 30.6 | 31.5 | 25|  78| 0.00| 30.03| 30.02|30.027| 6.1|241| 15| SW|  9|251|  184 |
|11| 33.4 | 32.0 | 33.0 | 26|  75| 0.00| 30.02| 30.01|30.019| 5.6|250| 14|WSW|  9|256|  224 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|12| 33.7 | 32.9 | 33.2 | 26|  75| 0.00| 30.03| 30.02|30.023| 4.1|242| 11|  W|  7|255|  146 |
|13| 34.7*| 33.3 | 34.1 | 27|  74| 0.00| 30.03| 30.02|30.026| 4.1|250| 11|  W|  7|267|  191 |
|14| 34.0 | 33.5 | 33.7 | 27|  75| 0.00| 30.03| 30.02|30.028| 3.5|245| 10|WSW|  7|245|   83 |
|15| 33.7 | 32.8 | 33.4 | 27|  78| 0.00| 30.05| 30.03|30.038| 2.4|245| 11| SW|  7|229|   37 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|16| 32.8 | 31.3 | 32.2 | 27|  81| 0.00| 30.06| 30.05|30.053| 0.1|325|  3| NW|  1|325|    7 |
|17| 29.8 | 27.8 | 28.6 | 25|  85| 0.00| 30.08| 30.07|30.075| 0.0|325|  3| NW|  1|325|    0 |
|18| 27.8 | 25.8 | 27.0 | 24|  87| 0.00| 30.09| 30.08|30.085| 0.0|325|  0| NW|  0|325|    0 |
|19| 25.9 | 23.3 | 24.7 | 22|  89| 0.00| 30.10| 30.09|30.091| 0.0|325|  0| NW|  0|325|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|20| 23.3 | 21.9 | 22.5 | 20|  89| 0.00| 30.10| 30.10|30.100| 0.0|325|  0| NW|  0|325|    0 |
|21| 22.0 | 21.3 | 21.6 | 19|  90| 0.00| 30.10| 30.09|30.098| 0.0|325|  0| NW|  0|325|    0 |
|22| 21.4 | 20.5 | 20.9 | 18|  90| 0.00| 30.09| 30.08|30.087| 0.0|325|  0| NW|  0|325|    0 |
|23| 21.0 | 20.2*| 20.7 | 18|  90| 0.00| 30.11| 30.08|30.096| 0.0|325|  0| NW|  0|325|    0 |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |Total|                For the day:                 | ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- | 0.00| 30.11| 29.83|30.002| 3.4|249| 18|  W| 12|254| ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   |     Avg     | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - |  Hour |  Hour |  Avg |
   +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
   |     27.5    | 28.6 | 24|82.5| 3.83|  23  |   0  | ---- | -- | - |    4  |    1  |  44.3|
   +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
   | 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.