LOCAL CLIMATOLOGICAL DATA
Hourly Summary
June 12, 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| 70.7 | 69.0 | 70.0 | 68|  92| 0.00| 29.62| 29.60|29.611| 0.0|257|  0|WSW|  0|257|    0 |
|01| 69.0 | 68.3 | 68.6 | 66|  92| 0.00| 29.62| 29.61|29.617| 0.2|252|  4|WSW|  2|252|    0 |
|02| 68.5 | 68.3 | 68.4 | 66|  92| 0.00| 29.62| 29.62|29.620| 0.0|252|  0|WSW|  0|252|    0 |
|03| 68.4 | 67.7*| 68.0 | 66|  92| 0.00| 29.63| 29.61|29.619| 0.0|252|  0|WSW|  0|252|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|04| 71.1 | 68.1 | 69.8 | 67|  91| 0.00| 29.63| 29.62|29.627| 2.6|250| 11|  W|  6|262|    0 |
|05| 71.4 | 69.7 | 70.6 | 67|  88| 0.00| 29.64| 29.62|29.627| 0.5|258|  8|  W|  4|259|   10 |
|06| 71.4 | 69.7 | 70.2 | 67|  91| 0.00| 29.63| 29.62|29.624| 0.6|251|  9|  W|  4|258|   50 |
|07| 76.4 | 71.4 | 73.6 | 70|  88| 0.00| 29.62| 29.62|29.621| 0.6|214|  6|  W|  2|208|  183 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|08| 80.0 | 76.4 | 78.0 | 72|  82| 0.00| 29.63| 29.62|29.622| 1.1|205|  7|  W|  3|180|  356 |
|09| 82.0 | 78.9 | 80.5 | 74|  80| 0.00| 29.63| 29.59|29.612| 0.8|166|  8|  S|  3|108|  546 |
|10| 83.9 | 82.0 | 82.6 | 75|  77| 0.00| 29.60| 29.57|29.591| 1.7|177|  8|WSW|  4|175|  709 |
|11| 86.5 | 83.6 | 85.1 | 76|  73| 0.00| 29.59| 29.57|29.584| 1.9|205|  9|SSE|  5|228|  824 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|12| 86.1 | 84.6 | 85.4 | 76|  73| 0.00| 29.59| 29.58|29.587| 2.1|213| 10|SSE|  5|237|  767 |
|13| 88.7 | 85.8 | 87.4 | 76|  69| 0.00| 29.58| 29.56|29.569| 1.4|199| 10|SSE|  4|160|  880 |
|14| 89.1*| 87.5 | 88.5 | 76|  67| 0.00| 29.56| 29.55|29.558| 1.5|193| 11|SSE|  5|193|  678 |
|15| 88.3 | 86.8 | 87.8 | 76|  69| 0.00| 29.55| 29.53|29.544| 0.6|191| 10|  S|  2|204|  443 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|16| 86.8 | 84.2 | 85.5 | 76|  74| 0.00| 29.54| 29.53|29.535| 1.1|236| 12|WSW|  7|257|  235 |
|17| 85.2 | 80.9 | 83.3 | 74|  75| 0.00| 29.56| 29.53|29.545| 2.9|217| 13|  W|  8|273|  503 |
|18| 81.9 | 79.7 | 80.9 | 73|  78| 0.00| 29.56| 29.55|29.555| 1.0|182|  8|SSE|  3|178|  119 |
|19| 79.8 | 77.0 | 78.7 | 71|  77| 0.00| 29.59| 29.56|29.574| 1.6|237| 13|WNW|  6|247|   58 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|20| 77.0 | 75.5 | 76.4 | 66|  71| 0.00| 29.62| 29.59|29.600| 4.1|248| 18|WSW|  9|249|    8 |
|21| 75.5 | 73.0 | 74.3 | 63|  69| 0.00| 29.65| 29.62|29.635| 5.1|246| 17|WSW|  8|266|    0 |
|22| 73.0 | 68.3 | 71.0 | 62|  74| 0.00| 29.67| 29.65|29.666| 1.2|234| 10| SW|  5|261|    0 |
|23| 68.6 | 67.7 | 68.2 | 61|  79| 0.00| 29.69| 29.67|29.683| 1.5|241| 14|WSW|  6|264|    0 |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |Total|                For the day:                 | ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- | 0.00| 29.69| 29.53|29.601| 1.4|225| 18|WSW|  9|249| ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   |     Avg     | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - |  Hour |  Hour |  Avg |
   +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
   |     78.4    | 77.2 | 70|79.6| 2.00|  23  |  17  | ---- | -- | - |   20  |   20  | 265.4|
   +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
   | Total Snow,        |                                   |             |      |  Heat   0|
   | Ice Pellets        | Greatest Depth on Ground          | Precip Types|Degree+----------+
   |                0.0 | of Snow, Ice Pellets or Ice     0 |  ..3......  | Days |  Cool  14|
   +--------------------+-----------------------------------+-------------+------+----------+

  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.