LOCAL CLIMATOLOGICAL DATA
Hourly Summary
June 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| 69.0 | 68.3 | 68.7 | 67|  95| 0.00| 29.67| 29.65|29.662| 0.2|178|  5|  S|  1|179|    0 |
|01| 68.4 | 68.0 | 68.2 | 67|  95| 0.00| 29.66| 29.65|29.655| 0.2|182|  5|  S|  2|187|    0 |
|02| 68.2 | 67.6 | 67.9 | 66|  95| 0.00| 29.66| 29.65|29.653| 0.3|190|  7|SSE|  1|187|    0 |
|03| 67.8 | 67.3*| 67.6 | 66|  95| 0.00| 29.65| 29.64|29.647| 0.2|187|  5|  S|  1|187|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|04| 68.3 | 67.5 | 67.9 | 67|  95| 0.00| 29.64| 29.63|29.636| 0.1|187|  3|  S|  1|187|    0 |
|05| 68.8 | 68.0 | 68.3 | 67|  96| 0.00| 29.65| 29.64|29.644| 0.4|185|  8|SSE|  2|201|    1 |
|06| 69.1 | 68.8 | 69.0 | 68|  96| 0.00| 29.66| 29.65|29.658| 0.9|187|  8|SSE|  3|185|   24 |
|07| 69.9 | 69.1 | 69.4 | 68|  96| 0.00| 29.67| 29.66|29.662| 0.8|177|  7|  S|  3|169|   72 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|08| 72.0 | 69.9 | 70.8 | 70|  96| 0.01| 29.67| 29.66|29.667| 0.5|183|  8|SSE|  2|171|  201 |
|09| 74.2 | 71.8 | 72.8 | 71|  94| 0.00| 29.67| 29.66|29.664| 1.4|219|  9|WSW|  3|231|  302 |
|10| 77.0 | 74.2 | 75.5 | 71|  87| 0.00| 29.67| 29.66|29.664| 2.0|220| 11|WSW|  4|221|  372 |
|11| 81.4 | 77.0 | 79.0 | 73|  82| 0.00| 29.66| 29.65|29.657| 2.1|227| 10|  W|  5|268|  591 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|12| 84.1 | 81.3 | 82.7 | 74|  76| 0.00| 29.65| 29.64|29.648| 3.0|236| 11|  W|  6|243|  956 |
|13| 84.9 | 83.6 | 84.0 | 74|  73| 0.00| 29.64| 29.62|29.629| 2.3|251| 11|WSW|  6|260|  903 |
|14| 85.5 | 82.7 | 84.2 | 74|  72| 0.00| 29.64| 29.63|29.631| 1.8|258| 11|  W|  6|267|  516 |
|15| 86.3 | 84.4 | 85.4 | 75|  71| 0.00| 29.63| 29.62|29.624| 0.7|236|  7|  W|  2|233|  493 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|16| 87.4*| 84.3 | 85.8 | 76|  73| 0.00| 29.63| 29.62|29.622| 0.8|261|  9|WSW|  4|271|  370 |
|17| 84.3 | 82.0 | 82.9 | 75|  78| 0.00| 29.62| 29.61|29.617| 0.0|257|  3|WSW|  1|257|  217 |
|18| 82.8 | 80.9 | 82.0 | 75|  80| 0.00| 29.61| 29.60|29.610| 0.0|259|  0|WSW|  0|257|  161 |
|19| 80.9 | 76.4 | 78.3 | 73|  84| 0.00| 29.61| 29.60|29.608| 0.0|259|  0|WSW|  0|257|   39 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|20| 76.4 | 73.6 | 74.8 | 71|  87| 0.00| 29.61| 29.60|29.611| 0.0|259|  0|WSW|  0|257|    0 |
|21| 73.6 | 72.0 | 72.9 | 69|  89| 0.00| 29.63| 29.61|29.622| 0.0|259|  0|WSW|  0|257|    0 |
|22| 72.0 | 71.0 | 71.4 | 69|  91| 0.00| 29.63| 29.62|29.626| 0.0|257|  0|WSW|  0|257|    0 |
|23| 71.7 | 70.7 | 71.4 | 69|  92| 0.00| 29.63| 29.62|29.628| 0.0|257|  0|WSW|  0|257|    0 |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |Total|                For the day:                 | ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- | 0.01| 29.67| 29.60|29.639| 0.7|227| 11|WSW|  6|243| ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   |     Avg     | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - |  Hour |  Hour |  Avg |
   +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
   |     77.4    | 75.0 | 71|87.0| 1.76|   0+ |  18+ | ---- | -- | - |   10+ |   12  | 217.4|
   +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
   | Total Snow,        |                                   |             |      |  Heat   0|
   | Ice Pellets        | Greatest Depth on Ground          | Precip Types|Degree+----------+
   |                0.0 | of Snow, Ice Pellets or Ice     0 |  .........  | Days |  Cool  12|
   +--------------------+-----------------------------------+-------------+------+----------+

  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.