LOCAL CLIMATOLOGICAL DATA
Hourly Summary
June 30, 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| 57.3 | 56.6 | 56.8 | 54|  90| 0.00| 30.07| 30.05|30.062| 0.0|255|  0|WSW|  0|255|    0 |
|01| 56.8 | 55.4 | 56.1 | 53|  91| 0.00| 30.06| 30.05|30.056| 0.0|255|  0|WSW|  0|255|    0 |
|02| 55.4 | 54.8 | 55.1 | 53|  91| 0.00| 30.06| 30.04|30.048| 0.0|255|  0|WSW|  0|255|    0 |
|03| 55.0 | 54.6 | 54.8 | 52|  91| 0.00| 30.05| 30.04|30.041| 0.0|255|  0|WSW|  0|255|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|04| 54.8 | 54.3 | 54.6 | 52|  91| 0.00| 30.04| 30.03|30.035| 0.0|255|  0|WSW|  0|255|    0 |
|05| 54.7 | 54.1*| 54.4 | 52|  92| 0.00| 30.05| 30.03|30.040| 0.0|255|  0|WSW|  0|255|   10 |
|06| 57.6 | 54.2 | 55.7 | 54|  94| 0.00| 30.05| 30.02|30.036| 0.0|255|  0|WSW|  0|255|   58 |
|07| 64.9 | 57.6 | 60.5 | 58|  92| 0.00| 30.03| 30.02|30.022| 0.0|255|  0|WSW|  0|255|  162 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|08| 74.0 | 64.8 | 70.5 | 64|  79| 0.00| 30.02| 30.01|30.015| 0.2|198|  5|  S|  2|190|  397 |
|09| 78.3 | 74.0 | 76.3 | 63|  64| 0.00| 30.01| 30.00|30.007| 1.1|184| 11|  S|  3|198|  552 |
|10| 81.8 | 78.3 | 80.3 | 65|  60| 0.00| 30.00| 29.99|29.997| 1.1|171| 10|SSE|  3|188|  724 |
|11| 84.2*| 81.7 | 83.2 | 67|  58| 0.00| 29.99| 29.98|29.986| 1.9|191| 13|SSE|  5|191|  796 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|12| 83.0 | 81.8 | 82.3 | 68|  63| 0.00| 29.98| 29.96|29.967| 1.3|190| 10|  S|  3|196|  496 |
|13| 82.5 | 79.4 | 81.5 | 69|  66| 0.00| 29.96| 29.95|29.953| 1.3|207| 12| SW|  4|235|  430 |
|14| 79.4 | 76.4 | 77.7 | 69|  74| 0.00| 29.95| 29.94|29.944| 0.2|182|  5|  S|  1|182|  133 |
|15| 76.4 | 73.6 | 75.2 | 69|  82| 0.00| 29.95| 29.92|29.939| 0.1|179|  5|SSE|  1|184|  115 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|16| 73.7 | 72.8 | 73.1 | 68|  84| 0.01| 29.92| 29.90|29.912| 0.2|188|  5|  S|  1|195|  125 |
|17| 74.6 | 72.8 | 73.5 | 68|  84| 0.00| 29.91| 29.88|29.895| 0.7|177| 10|  S|  2|171|  146 |
|18| 74.6 | 73.4 | 73.7 | 68|  83| 0.00| 29.89| 29.87|29.877| 1.6|184| 13|  S|  6|178|  102 |
|19| 73.7 | 70.1 | 72.1 | 67|  85| 0.08| 29.88| 29.87|29.877| 1.3|190| 11|SSE|  3|210|   17 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|20| 70.2 | 69.0 | 69.6 | 67|  91| 0.12| 29.90| 29.88|29.886| 0.8|179|  9| SE|  3|170|    2 |
|21| 69.1 | 68.8 | 68.9 | 67|  93| 0.00| 29.89| 29.88|29.886| 1.1|172| 12|SSE|  3|157|    0 |
|22| 69.0 | 68.8 | 68.9 | 67|  94| 0.00| 29.89| 29.86|29.873| 1.5|179| 12|SSE|  4|171|    0 |
|23| 69.0 | 68.6 | 68.8 | 67|  94| 0.00| 29.86| 29.84|29.854| 1.4|175| 11| SW|  4|174|    0 |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |Total|                For the day:                 | ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- | 0.21| 30.07| 29.84|29.967| 0.7|184| 13|SSE|  6|178| ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   |     Avg     | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - |  Hour |  Hour |  Avg |
   +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
   |     69.1    | 68.5 | 63|82.7| 7.34|   0  |  23  | ---- | -- | - |   11+ |   18  | 177.7|
   +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
   | Total Snow,        |                                   |             |      |  Heat   0|
   | Ice Pellets        | Greatest Depth on Ground          | Precip Types|Degree+----------+
   |                0.0 | of Snow, Ice Pellets or Ice     0 |  .........  | Days |  Cool   4|
   +--------------------+-----------------------------------+-------------+------+----------+

  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.