LOCAL CLIMATOLOGICAL DATA Hourly Summary August 9, 2026 Station: Blue Hill Meteorological Observatory 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| 72.3 | 71.7 | 72.0 | 66| 81| 0.00| 29.94| 29.92|29.928|13.0|264| 20| W| 16|263| 0 | |01| 71.7 | 71.0 | 71.3 | 66| 85| 0.00| 29.94| 29.92|29.927|11.8|270| 17|WSW| 14|264| 0 | |02| 71.5 | 70.9 | 71.2 | 67| 86| 0.00| 29.92| 29.91|29.915|12.7|266| 19| W| 16|277| 0 | |03| 71.4 | 70.5 | 70.9 | 67| 88| 0.00| 29.92| 29.91|29.916|12.0|270| 17| W| 14|275| 0 | | | | | | | | | | | | | | | | | | | |04| 70.6 | 69.9 | 70.2 | 67| 90| 0.00| 29.93| 29.92|29.921|11.1|264| 16| W| 13|272| 1 | |05| 70.6 | 69.8*| 70.1 | 68| 91| 0.00| 29.94| 29.92|29.929|10.8|259| 17| W| 14|264| 38 | |06| 74.4 | 70.6 | 72.1 | 69| 89| 0.00| 29.95| 29.93|29.945| 7.9|251| 14|WSW| 11|255| 212 | |07| 78.8 | 74.4 | 76.6 | 71| 83| 0.00| 29.95| 29.94|29.948| 7.6|260| 14| W| 10|270| 387 | | | | | | | | | | | | | | | | | | | |08| 82.4 | 78.8 | 80.8 | 73| 76| 0.00| 29.95| 29.94|29.946|10.0|271| 18| W| 15|269| 562 | |09| 84.6 | 82.4 | 83.9 | 73| 70| 0.00| 29.94| 29.94|29.940|10.5|284| 18|NNW| 13|270| 698 | |10| 86.3 | 84.2 | 85.1 | 72| 66| 0.00| 29.95| 29.94|29.940|11.5|281| 24| W| 16|277| 760 | |11| 87.9 | 85.6 | 86.4 | 72| 62| 0.00| 29.94| 29.93|29.938|12.6|270| 23| W| 16|273| 801 | | | | | | | | | | | | | | | | | | | |12| 87.4 | 84.8 | 86.3 | 72| 62| 0.00| 29.94| 29.93|29.937|12.2|274| 24| W| 16|273| 662 | |13| 88.1*| 86.8 | 87.5 | 72| 59| 0.00| 29.93| 29.92|29.928|12.5|279| 26| W| 18|279| 730 | |14| 88.0 | 85.6 | 86.8 | 70| 57| 0.00| 29.93| 29.91|29.920|13.1|282| 23| W| 19|276| 568 | |15| 86.5 | 84.5 | 85.8 | 69| 58| 0.00| 29.92| 29.91|29.916|12.2|282| 25| W| 18|269| 401 | | | | | | | | | | | | | | | | | | | |16| 86.2 | 84.4 | 85.2 | 67| 55| 0.00| 29.93| 29.91|29.922|15.0|272| 27| W| 21|267| 308 | |17| 84.5 | 81.4 | 83.1 | 66| 56| 0.00| 29.94| 29.92|29.930|14.1|280| 26| W| 19|281| 134 | |18| 81.4 | 77.6 | 79.7 | 64| 59| 0.00| 29.95| 29.93|29.944|12.8|287| 23| W| 17|283| 22 | |19| 77.6 | 75.1 | 76.2 | 63| 63| 0.00| 29.96| 29.95|29.955|12.1|289| 18| W| 13|292| 0 | | | | | | | | | | | | | | | | | | | |20| 75.1 | 73.9 | 74.5 | 63| 67| 0.00| 29.98| 29.96|29.972|11.2|284| 18| W| 13|287| 0 | |21| 73.9 | 72.2 | 73.0 | 63| 70| 0.00| 29.98| 29.97|29.977|10.3|292| 16|WNW| 12|294| 0 | |22| 72.3 | 71.4 | 72.0 | 63| 73| 0.00| 29.99| 29.97|29.981|11.0|301| 18|WNW| 13|305| 0 | |23| 71.7 | 70.7 | 71.3 | 63| 74| 0.00| 30.00| 29.98|29.988|10.6|293| 16|WNW| 12|300| 0 | +--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+ | ---- | ---- | ---- | - | -- |Total| For the day: | ---- | +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+ | ---- | ---- | ---- | - | -- | 0.00| 30.00| 29.91|29.940|11.6|276| 27| W| 21|267| ---- | +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+ | Avg | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - | Hour | Hour | Avg | +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+ | 78.9 | 78.0 | 68|71.8| 0.75| 23 | 3+ | ---- | -- | - | 16 | 16 | 261.9| +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+ | Total Snow, | | | | Heat 0| | Ice Pellets | Greatest Depth on Ground | Precip Types|Degree+----------+ | 0.0 | of Snow, Ice Pellets or Ice 0 | ......... | 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.