LOCAL CLIMATOLOGICAL DATA
Hourly Summary
August 23, 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| 61.9 | 59.9 | 60.5 | 57|  88| 0.00| 29.89| 29.87|29.881| 0.0|205|  2|SSW|  0|205|    0 |
|01| 62.3 | 60.1 | 61.2 | 58|  90| 0.00| 29.87| 29.86|29.867| 0.3|170| 12|SSE|  3|154|    0 |
|02| 62.9 | 62.2 | 62.6 | 59|  87| 0.00| 29.86| 29.84|29.847| 0.3|165|  8|  S|  1|173|    0 |
|03| 62.2 | 61.8 | 62.1 | 58|  88| 0.00| 29.84| 29.82|29.832| 0.2|160|  5|SSW|  1|120|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|04| 62.2 | 61.1 | 61.7 | 58|  88| 0.00| 29.83| 29.80|29.814| 0.2|136|  6|SSE|  1|156|    0 |
|05| 61.4 | 60.5 | 61.1 | 58|  89| 0.00| 29.80| 29.78|29.788| 0.2| 96|  7|ESE|  1|110|    0 |
|06| 61.7 | 60.2 | 60.7 | 58|  91| 0.00| 29.79| 29.78|29.782| 0.2|100|  6|  E|  1| 91|    7 |
|07| 63.6 | 61.7 | 62.7 | 60|  90| 0.00| 29.79| 29.78|29.781| 0.1|137|  5|SSE|  1|164|   38 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|08| 65.0 | 63.6 | 64.2 | 61|  90| 0.00| 29.78| 29.76|29.772| 0.2|151|  5| SE|  2|152|   86 |
|09| 68.3 | 65.0 | 66.3 | 62|  87| 0.00| 29.77| 29.75|29.761| 0.7|143| 10|SSW|  3|141|  171 |
|10| 68.4 | 67.4 | 67.8 | 63|  84| 0.00| 29.77| 29.76|29.761| 0.6|122|  8|ENE|  3|150|  141 |
|11| 70.3 | 67.5 | 68.5 | 64|  84| 0.00| 29.76| 29.74|29.752| 0.4|137|  8|ENE|  2|138|  223 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|12| 75.0 | 70.3 | 73.4 | 67|  79| 0.00| 29.74| 29.73|29.731| 1.3|165| 10|SSE|  4|193|  428 |
|13| 73.5 | 71.4 | 72.3 | 66|  80| 0.00| 29.73| 29.72|29.724| 0.8|128|  8|ENE|  2|143|  280 |
|14| 78.8 | 73.1 | 76.7 | 68|  75| 0.00| 29.72| 29.69|29.703| 1.9|161| 10|  E|  5|143|  711 |
|15| 79.6*| 75.6 | 78.0 | 68|  72| 0.00| 29.69| 29.66|29.674| 0.6|212| 10|WSW|  5|201|  446 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|16| 77.4 | 72.9 | 75.3 | 67|  75| 0.00| 29.68| 29.66|29.668| 0.2|162|  9|  S|  2|168|  204 |
|17| 73.0 | 68.5 | 70.3 | 65|  83| 0.01| 29.68| 29.66|29.674| 0.4|126|  9|  S|  3|116|   66 |
|18| 69.6 | 68.5 | 69.1 | 64|  85| 0.00| 29.68| 29.67|29.677| 0.7|177|  9| SE|  3|190|   88 |
|19| 68.8 | 65.0 | 66.5 | 62|  86| 0.00| 29.73| 29.67|29.699| 0.2|155|  5|SSE|  1|154|    3 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|20| 65.6 | 64.7 | 65.3 | 62|  90| 0.00| 29.75| 29.72|29.735| 0.9|194| 10|SSE|  3|185|    0 |
|21| 64.7 | 62.2 | 63.5 | 61|  90| 0.00| 29.76| 29.74|29.756| 0.1|215|  4| SW|  1|228|    0 |
|22| 62.2 | 60.0 | 60.8 | 58|  91| 0.00| 29.77| 29.75|29.765| 0.1|194|  4|  S|  1|194|    0 |
|23| 60.0 | 59.2*| 59.5 | 57|  92| 0.01| 29.78| 29.77|29.774| 0.0|194|  1|  S|  0|194|    0 |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |Total|                For the day:                 | ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- | 0.02| 29.89| 29.66|29.759| 0.4|158| 12|SSE|  5|201| ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   |     Avg     | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - |  Hour |  Hour |  Avg |
   +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
   |     69.4    | 66.3 | 62|85.5| 2.73|   0  |  16+ | ---- | -- | - |    1  |   15  | 120.5|
   +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
   | 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.