LOCAL CLIMATOLOGICAL DATA
Hourly Summary
July 13, 2026

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| 58.3 | 57.7 | 58.1 | 54|  85| 0.00| 30.12| 30.11|30.114| 0.0|261|  0|  W|  0|261|    0 |
|01| 58.0 | 57.1 | 57.5 | 53|  86| 0.00| 30.11| 30.09|30.099| 0.0|261|  0|  W|  0|261|    0 |
|02| 57.2 | 55.5 | 56.3 | 52|  87| 0.00| 30.09| 30.08|30.088| 0.0|261|  0|  W|  0|261|    0 |
|03| 55.9 | 55.2*| 55.6 | 52|  89| 0.00| 30.09| 30.08|30.089| 0.0|261|  0|  W|  0|261|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|04| 55.7 | 55.2 | 55.5 | 52|  89| 0.00| 30.09| 30.08|30.088| 0.0|261|  0|  W|  0|261|    0 |
|05| 56.6 | 55.2 | 55.6 | 52|  89| 0.00| 30.10| 30.09|30.095| 0.1|194|  4|SSW|  1|191|   10 |
|06| 57.8 | 56.6 | 57.2 | 54|  89| 0.00| 30.11| 30.09|30.101| 0.1|194|  4|  S|  1|194|   34 |
|07| 67.2 | 57.8 | 61.5 | 58|  87| 0.00| 30.10| 30.09|30.099| 0.3|186|  6|  S|  1|169|  151 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|08| 73.1 | 67.2 | 71.0 | 62|  73| 0.00| 30.10| 30.09|30.095| 1.4|178| 12|SSE|  5|186|  401 |
|09| 76.9 | 73.1 | 75.2 | 65|  69| 0.00| 30.10| 30.08|30.090| 1.4|178|  9|  S|  4|177|  543 |
|10| 79.2 | 76.9 | 78.6 | 66|  66| 0.00| 30.08| 30.07|30.077| 1.2|181|  9|  S|  3|167|  639 |
|11| 81.8 | 79.2 | 80.6 | 66|  62| 0.00| 30.07| 30.05|30.065| 1.5|204|  8|  S|  4|247|  764 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|12| 82.5 | 81.5 | 81.9 | 65|  56| 0.00| 30.05| 30.04|30.049| 2.6|230| 11|  W|  6|229|  808 |
|13| 83.9*| 82.5 | 83.3 | 66|  56| 0.00| 30.04| 30.01|30.024| 1.9|195| 14|SSE|  5|171|  777 |
|14| 83.9 | 83.3 | 83.6 | 65|  54| 0.00| 30.01| 29.98|30.000| 1.5|205|  8|WSW|  4|224|  642 |
|15| 83.4 | 77.7 | 80.8 | 67|  63| 0.00| 29.99| 29.98|29.980| 0.3|190|  8|  S|  2|170|  186 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|16| 77.7 | 76.9 | 77.2 | 68|  74| 0.00| 29.98| 29.97|29.974| 0.0|194|  0|  S|  0|170|  159 |
|17| 76.9 | 74.6 | 75.7 | 69|  79| 0.00| 29.97| 29.97|29.970| 0.1|240|  7|  W|  1|254|   92 |
|18| 74.8 | 73.2 | 74.2 | 64|  70| 0.00| 29.97| 29.96|29.969| 0.8|237|  8|WSW|  3|239|   49 |
|19| 73.2 | 70.4 | 71.6 | 63|  74| 0.00| 29.97| 29.95|29.960| 0.1|224|  4| SW|  1|226|   26 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|20| 70.5 | 68.3 | 69.1 | 60|  74| 0.00| 29.96| 29.95|29.953| 0.1|219|  3|SSW|  1|217|    5 |
|21| 69.5 | 68.7 | 69.1 | 60|  73| 0.00| 29.95| 29.94|29.943| 0.3|209|  6|SSW|  1|219|    0 |
|22| 69.2 | 68.2 | 68.6 | 61|  77| 0.00| 29.94| 29.93|29.938| 0.4|191|  8|WSW|  2|206|    0 |
|23| 68.7 | 67.3 | 67.8 | 60|  77| 0.00| 29.93| 29.92|29.921| 0.2|181|  4|  S|  1|181|    0 |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |Total|                For the day:                 | ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- | 0.00| 30.12| 29.92|30.032| 0.6|201| 14|SSE|  6|229| ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   |     Avg     | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - |  Hour |  Hour |  Avg |
   +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
   |     69.6    | 69.4 | 61|75.0| 0.80|   0  |  23  | ---- | -- | - |   13  |   12  | 220.1|
   +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
   | Total Snow,        |                                   |             |      |  Heat   0|
   | Ice Pellets        | Greatest Depth on Ground          | Precip Types|Degree+----------+
   |                0.0 | of Snow, Ice Pellets or Ice     0 |  .........  | Days |  Cool   5|
   +--------------------+-----------------------------------+-------------+------+----------+

  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.