LOCAL CLIMATOLOGICAL DATA
Hourly Summary
March 27, 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| 35.9*| 33.3 | 34.6 | 33|  92| 0.00| 29.69| 29.65|29.673| 1.6|315| 11|  W|  5|281|    0 |
|01| 33.3 | 32.6 | 33.0 | 31|  93| 0.00| 29.72| 29.68|29.699| 2.9|294| 12|WNW|  6|292|    0 |
|02| 32.7 | 30.5 | 31.8 | 30|  93| 0.00| 29.76| 29.72|29.742| 3.4|332| 16|  N|  8|351|    0 |
|03| 30.6 | 29.1 | 30.0 | 28|  92| 0.00| 29.81| 29.76|29.790| 3.5|340| 16| NW|  7|351|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|04| 29.2 | 27.0 | 28.3 | 26|  92| 0.00| 29.86| 29.81|29.835| 3.2|337| 15|  N|  7|329|    0 |
|05| 27.0 | 24.8 | 25.7 | 23|  90| 0.00| 29.92| 29.86|29.895| 3.7|332| 16|NNW|  7|329|    0 |
|06| 24.9 | 22.2 | 23.7 | 21|  88| 0.00| 30.01| 29.92|29.964| 3.2|321| 14|  N|  7|324|    1 |
|07| 22.2 | 19.1 | 20.6 | 16|  81| 0.00| 30.06| 30.01|30.039| 4.1|327| 18| NW|  7|328|   16 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|08| 20.9 | 18.9 | 19.6 | 13|  76| 0.00| 30.10| 30.06|30.082| 3.9|331| 19|NNW|  8|  5|  137 |
|09| 22.2 | 20.8 | 21.5 | 14|  73| 0.00| 30.13| 30.10|30.113| 4.2|324| 19|  N|  8|348|  419 |
|10| 22.7 | 21.5 | 22.2 | 15|  74| 0.00| 30.15| 30.12|30.137| 4.4|319| 18|  N|  9|358|  431 |
|11| 23.6 | 22.0 | 23.0 | 15|  70| 0.00| 30.16| 30.15|30.156| 4.3|327| 15|WSW|  8|296|  709 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|12| 24.9 | 22.4 | 23.8 | 14|  67| 0.00| 30.17| 30.16|30.166| 4.1|335| 16|  N|  8|358|  791 |
|13| 25.6 | 24.3 | 24.8 | 15|  65| 0.00| 30.17| 30.15|30.162| 4.5|331| 18|  W|  8|340|  807 |
|14| 26.1 | 24.9 | 25.6 | 15|  63| 0.00| 30.16| 30.15|30.153| 3.9|317| 15|  N|  8|287|  765 |
|15| 26.3 | 23.8 | 24.9 | 14|  63| 0.00| 30.17| 30.15|30.158| 4.1|277| 14|  W|  8|272|  585 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|16| 26.1 | 23.1 | 24.4 | 13|  61| 0.00| 30.16| 30.15|30.156| 2.9|307| 12|  W|  7|267|  433 |
|17| 27.0 | 25.4 | 26.2 | 13|  57| 0.00| 30.17| 30.16|30.164| 2.3|295| 13|  W|  8|267|  324 |
|18| 25.4 | 22.8 | 24.3 | 12|  59| 0.00| 30.18| 30.17|30.174| 1.1|313|  9|  W|  4|280|   69 |
|19| 22.8 | 19.8 | 21.0 | 11|  65| 0.00| 30.20| 30.18|30.191| 0.6|344|  6|NNW|  3|317|    2 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|20| 19.8 | 18.7 | 19.0 | 11|  69| 0.00| 30.23| 30.20|30.221| 0.3|353|  5|  N|  2|355|    0 |
|21| 19.3 | 18.4 | 18.8 | 10|  69| 0.00| 30.25| 30.23|30.244| 0.4|357|  5|  N|  2|360|    0 |
|22| 19.1 | 18.3*| 18.7 | 10|  68| 0.00| 30.27| 30.25|30.259| 0.3|337|  7|  W|  3|356|    0 |
|23| 19.0 | 18.3 | 18.7 | 10|  68| 0.00| 30.27| 30.26|30.267| 0.6|299| 10|  W|  3|274|    0 |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |Total|                For the day:                 | ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- | 0.00| 30.27| 29.65|30.060| 2.8|322| 19|NNW|  9|358| ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   |     Avg     | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - |  Hour |  Hour |  Avg |
   +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
   |     27.1    | 24.3 | 17|74.4| 0.03|  23  |   0  | ---- | -- | - |    8+ |   10  | 228.7|
   +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
   | Total Snow,        |                                   |             |      |  Heat  38|
   | Ice Pellets        | Greatest Depth on Ground          | Precip Types|Degree+----------+
   |                 T  | of Snow, Ice Pellets or Ice     0 |  .........  | Days |  Cool   0|
   +--------------------+-----------------------------------+-------------+------+----------+

  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.