LOCAL CLIMATOLOGICAL DATA Hourly Summary March 18, 2026 Station: Blue Hill Meteorological Observatory 2 Latitude: 42° 12' 44" N Longitude: 71° 06' 53" W Elevation (ground): 635 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| 24.5 | 23.7 | 24.1 | 8| 49| 0.00| 30.15| 30.11|30.128|19.1|306| 35|WNW| 26|306| 0 | |01| 23.8 | 22.9 | 23.4 | 8| 52| 0.00| 30.18| 30.15|30.162|16.2|306| 30|WNW| 21|308| 0 | |02| 22.9 | 22.0 | 22.5 | 9| 56| 0.00| 30.20| 30.17|30.191|11.9|305| 22|WNW| 16|306| 0 | |03| 22.2 | 21.5 | 21.8 | 10| 59| 0.00| 30.24| 30.20|30.223|11.7|304| 23| NW| 16|315| 0 | | | | | | | | | | | | | | | | | | | |04| 21.8 | 21.1 | 21.5 | 9| 59| 0.00| 30.27| 30.23|30.251|10.8|312| 21| NW| 15|310| 0 | |05| 21.2 | 20.2*| 20.7 | 10| 62| 0.00| 30.31| 30.27|30.292| 8.7|311| 15|WNW| 11|317| 1 | |06| 21.9 | 20.3 | 20.9 | 10| 62| 0.00| 30.34| 30.31|30.327| 6.9|294| 13|WNW| 10|300| 32 | |07| 25.2 | 21.9 | 24.0 | 10| 55| 0.00| 30.40| 30.34|30.364| 6.6|303| 17|WSW| 12|314| 268 | | | | | | | | | | | | | | | | | | | |08| 27.0 | 25.2 | 26.4 | 10| 49| 0.00| 30.42| 30.39|30.406| 9.2|293| 20|WNW| 15|303| 438 | |09| 29.5 | 27.0 | 28.4 | 9| 44| 0.00| 30.43| 30.41|30.421|10.6|306| 22|WNW| 16|318| 530 | |10| 31.8 | 29.0 | 30.4 | 9| 40| 0.00| 30.43| 30.40|30.424|10.2|311| 20| NW| 17|315| 614 | |11| 32.3 | 30.6 | 31.3 | 7| 36| 0.00| 30.41| 30.38|30.395| 8.2|323| 20|WNW| 13|316| 560 | | | | | | | | | | | | | | | | | | | |12| 32.0 | 30.9 | 31.5 | 6| 34| 0.00| 30.40| 30.38|30.391| 5.3|353| 15| N| 11|347| 457 | |13| 33.0 | 31.1 | 32.0 | 6| 33| 0.00| 30.39| 30.38|30.388| 3.5|307| 12| W| 8|317| 499 | |14| 33.5 | 32.4 | 32.8 | 7| 33| 0.00| 30.41| 30.39|30.405| 5.6|198| 15|SSE| 11|223| 390 | |15| 34.6 | 32.9 | 33.5 | 8| 33| 0.00| 30.42| 30.40|30.412| 7.6|189| 21| S| 14|192| 328 | | | | | | | | | | | | | | | | | | | |16| 34.8*| 32.9 | 34.1 | 8| 33| 0.00| 30.42| 30.42|30.420| 8.7|194| 17| SW| 12|222| 196 | |17| 32.9 | 29.5 | 31.8 | 9| 38| 0.00| 30.42| 30.41|30.418| 6.7|179| 15|ESE| 11|129| 33 | |18| 29.5 | 28.0 | 28.5 | 14| 54| 0.00| 30.42| 30.41|30.419| 9.5|164| 23| S| 17|179| 0 | |19| 28.3 | 26.9 | 27.6 | 14| 56| 0.00| 30.44| 30.42|30.433|10.5|178| 23| S| 17|181| 0 | | | | | | | | | | | | | | | | | | | |20| 26.9 | 26.1 | 26.4 | 15| 61| 0.00| 30.44| 30.44|30.440|10.7|173| 22| S| 18|180| 0 | |21| 26.1 | 25.3 | 25.6 | 15| 64| 0.00| 30.45| 30.44|30.441|11.7|176| 20| S| 15|177| 0 | |22| 25.3 | 24.3 | 24.8 | 15| 67| 0.00| 30.44| 30.43|30.435|10.6|177| 19| S| 14|177| 0 | |23| 24.4 | 23.6 | 24.1 | 15| 69| 0.00| 30.43| 30.41|30.424| 8.7|181| 15| S| 13|177| 0 | +--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+ | ---- | ---- | ---- | - | -- |Total| For the day: | ---- | +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+ | ---- | ---- | ---- | - | -- | 0.00| 30.45| 30.11|30.359| 9.6|267| 35|WNW| 26|306| ---- | +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+ | Avg | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - | Hour | Hour | Avg | +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+ | 27.5 | 27.0 | 10|49.9|49.45| 21 | 0 | ---- | -- | - | 0 | 0 | 181.1| +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+ | Total Snow, | | | | Heat 37| | Ice Pellets | Greatest Depth on Ground | Precip Types|Degree+----------+ | 0.0 | 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.