LOCAL CLIMATOLOGICAL DATA
Hourly Summary
July 10, 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| 66.9 | 66.3 | 66.6 | 65|  94| 0.01| 29.70| 29.69|29.696| 0.1|110|  4| SE|  1|124|    0 |
|01| 67.9 | 66.9 | 67.4 | 66|  95| 0.00| 29.70| 29.69|29.695| 0.5|210|  7| SW|  3|228|    0 |
|02| 67.9 | 66.8 | 67.4 | 66|  95| 0.01| 29.70| 29.69|29.691| 1.0|259| 10|  W|  4|266|    0 |
|03| 66.8 | 65.7 | 66.2 | 65|  95| 0.00| 29.71| 29.70|29.702| 0.9|262| 11|WNW|  4|271|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|04| 65.8 | 65.1 | 65.6 | 64|  95| 0.00| 29.72| 29.71|29.710| 0.2|244|  5|WSW|  2|248|    0 |
|05| 65.6 | 65.1 | 65.3 | 64|  95| 0.01| 29.73| 29.72|29.722| 0.4|255|  7|  W|  3|251|    0 |
|06| 65.9 | 65.5 | 65.7 | 64|  95| 0.04| 29.75| 29.73|29.739| 0.3|283|  6|  W|  2|265|   22 |
|07| 66.5 | 65.5 | 66.1 | 65|  95| 0.00| 29.76| 29.74|29.751| 0.5|354| 11|NNW|  2|347|  127 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|08| 70.3 | 66.4 | 68.8 | 65|  88| 0.00| 29.77| 29.75|29.761| 0.6|  1|  8|NNW|  3|348|  342 |
|09| 75.0 | 70.3 | 73.4 | 68|  83| 0.00| 29.78| 29.76|29.777| 0.5|291|  8| NW|  3|284|  514 |
|10| 74.2 | 72.2 | 73.1 | 67|  82| 0.00| 29.80| 29.78|29.791| 0.7|  2|  9| NW|  4| 16|  415 |
|11| 77.4 | 73.9 | 76.0 | 67|  74| 0.00| 29.80| 29.79|29.799| 1.0| 23|  9|NNE|  4| 22|  762 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|12| 79.3 | 77.4 | 78.4 | 67|  69| 0.00| 29.80| 29.79|29.797| 0.8|348| 10|  N|  3|342|  797 |
|13| 79.6 | 77.9 | 79.0 | 68|  68| 0.00| 29.81| 29.80|29.804| 0.7|330| 10|  W|  3|  3|  686 |
|14| 80.8 | 77.7 | 79.1 | 67|  67| 0.00| 29.82| 29.81|29.813| 0.6|273|  9|WNW|  4|269|  704 |
|15| 80.9 | 79.9 | 80.3 | 66|  63| 0.00| 29.82| 29.82|29.820| 1.0|346|  9|  W|  3| 11|  746 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|16| 81.4*| 80.3 | 80.8 | 66|  61| 0.00| 29.82| 29.81|29.813| 0.5|313|  8|  N|  2|334|  620 |
|17| 80.8 | 79.1 | 80.0 | 66|  62| 0.00| 29.81| 29.81|29.809| 0.6|325|  6|NNE|  3| 13|  452 |
|18| 79.3 | 75.1 | 77.2 | 65|  65| 0.00| 29.82| 29.81|29.812| 0.5|280|  7|NNE|  2|262|  178 |
|19| 75.1 | 71.1 | 73.5 | 64|  71| 0.00| 29.82| 29.82|29.819| 0.1|263|  4|  W|  2|262|   74 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|20| 71.1 | 64.2 | 67.5 | 62|  81| 0.00| 29.84| 29.82|29.830| 0.0|263|  0|  W|  0|262|    7 |
|21| 64.2 | 60.9 | 62.3 | 58|  86| 0.00| 29.87| 29.84|29.855| 0.0|263|  0|  W|  0|262|    0 |
|22| 61.2 | 60.8 | 61.0 | 57|  88| 0.00| 29.89| 29.87|29.881| 0.0|263|  0|  W|  0|262|    0 |
|23| 61.4 | 60.5*| 61.1 | 58|  88| 0.00| 29.89| 29.88|29.885| 0.0|263|  0|  W|  0|262|    0 |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |Total|                For the day:                 | ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- | 0.07| 29.89| 29.69|29.782| 0.5|312| 11|WNW|  4| 22| ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   |     Avg     | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - |  Hour |  Hour |  Avg |
   +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
   |     70.9    | 70.9 | 65|81.6| 0.80|  23  |   2  | ---- | -- | - |    3+ |   11  | 268.6|
   +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
   | Total Snow,        |                                   |             |      |  Heat   0|
   | Ice Pellets        | Greatest Depth on Ground          | Precip Types|Degree+----------+
   |                0.0 | of Snow, Ice Pellets or Ice     0 |  .........  | Days |  Cool   6|
   +--------------------+-----------------------------------+-------------+------+----------+

  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.