LOCAL CLIMATOLOGICAL DATA
Hourly Summary
July 11, 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| 60.6 | 58.2 | 59.5 | 56|  90| 0.00| 29.89| 29.88|29.886| 0.0|263|  0|  W|  0|262|    0 |
|01| 58.2 | 56.5 | 57.4 | 55|  91| 0.00| 29.89| 29.88|29.885| 0.0|263|  0|  W|  0|262|    0 |
|02| 56.6 | 55.7 | 56.1 | 54|  92| 0.00| 29.90| 29.88|29.895| 0.0|263|  0|  W|  0|262|    0 |
|03| 56.8 | 56.2 | 56.4 | 55|  94| 0.00| 29.92| 29.90|29.907| 0.0|263|  0|  W|  0|262|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|04| 57.3 | 56.0 | 56.8 | 55|  94| 0.00| 29.93| 29.91|29.921| 0.0|263|  0|  W|  0|262|    0 |
|05| 56.0 | 54.9 | 55.3 | 54|  94| 0.00| 29.94| 29.92|29.933| 0.0|263|  0|  W|  0|262|    7 |
|06| 57.3 | 54.8*| 55.6 | 54|  95| 0.00| 29.95| 29.94|29.949| 0.0|263|  0|  W|  0|262|   29 |
|07| 63.1 | 57.3 | 59.9 | 59|  96| 0.00| 29.97| 29.95|29.961| 0.0|263|  0|  W|  0|262|  145 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|08| 69.5 | 63.1 | 65.8 | 63|  90| 0.00| 29.98| 29.97|29.974| 0.0|264|  0|  W|  0|262|  421 |
|09| 72.7 | 69.5 | 71.0 | 63|  76| 0.00| 29.99| 29.98|29.983| 0.5|239|  6| SW|  3|254|  586 |
|10| 75.3 | 72.7 | 74.2 | 64|  71| 0.00| 30.00| 29.99|29.992| 1.1|257|  9|  W|  4|257|  722 |
|11| 78.4 | 75.3 | 77.0 | 65|  66| 0.00| 30.00| 30.00|30.000| 0.9|278|  9|  W|  3|262|  831 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|12| 79.0 | 77.7 | 78.4 | 61|  56| 0.00| 30.01| 30.00|30.005| 1.4|271| 13|WSW|  5|245|  899 |
|13| 79.3 | 77.5 | 78.3 | 60|  54| 0.00| 30.01| 30.00|30.005| 1.5|314| 10|  N|  4|  2|  881 |
|14| 79.8 | 77.5 | 78.5 | 61|  55| 0.00| 30.00| 30.00|30.001| 1.5|326| 12|  N|  4|  2|  864 |
|15| 79.3 | 78.2 | 78.7 | 60|  52| 0.00| 30.00| 29.99|29.997| 1.1|355| 12|  N|  3|355|  772 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|16| 80.5*| 78.7 | 79.6 | 61|  52| 0.00| 30.00| 29.99|29.995| 0.9|  8| 12|  N|  4| 39|  656 |
|17| 78.9 | 74.8 | 75.9 | 58|  55| 0.00| 30.00| 30.00|29.998| 1.7|  2|  9|  N|  4|355|  362 |
|18| 75.1 | 72.8 | 74.2 | 58|  58| 0.00| 30.01| 30.00|30.006| 0.4|352|  5|NNW|  3|344|  160 |
|19| 72.8 | 68.1 | 70.7 | 59|  68| 0.00| 30.03| 30.01|30.019| 0.1|355|  2|  N|  1|355|   74 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|20| 68.1 | 61.2 | 64.6 | 58|  78| 0.00| 30.05| 30.03|30.037| 0.0|355|  0|  N|  0|355|    6 |
|21| 61.2 | 57.4 | 59.0 | 54|  84| 0.00| 30.06| 30.05|30.054| 0.0|355|  0|  N|  0|355|    0 |
|22| 57.4 | 56.2 | 56.7 | 53|  87| 0.00| 30.07| 30.06|30.068| 0.0|355|  0|  N|  0|355|    0 |
|23| 56.2 | 55.0 | 55.6 | 52|  89| 0.00| 30.08| 30.07|30.079| 0.0|355|  0|  N|  0|355|    0 |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |Total|                For the day:                 | ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- | 0.00| 30.08| 29.88|29.981| 0.5|317| 13|WSW|  5|245| ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   |     Avg     | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - |  Hour |  Hour |  Avg |
   +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
   |     67.7    | 66.5 | 58|76.4| 0.80|  23  |   0+ | ---- | -- | - |   12  |   12  | 308.9|
   +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
   | Total Snow,        |                                   |             |      |  Heat   0|
   | Ice Pellets        | Greatest Depth on Ground          | Precip Types|Degree+----------+
   |                0.0 | of Snow, Ice Pellets or Ice     0 |  .........  | Days |  Cool   3|
   +--------------------+-----------------------------------+-------------+------+----------+

  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.