CLIMATE SUMMARY FOR Blue Hill Meteorological Observatory 2
May 18, 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL LAST
VALUE LOCAL VALUE VALUE YEAR
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TEMPERATURE (F)
MAXIMUM 84.8 4:10 PM 96 2017 72 68.4
MINIMUM 62.4 5:09 AM 33 2023 51 55.2
MEAN 73.6 61 61.8
PRECIPITATION (in)
AMOUNT 0.00 0.26 2024 0.03 0.00
MONTH TO DATE 0.96 2.98
YEAR TO DATE 93.40 27.70
SNOWFALL (in)
AMOUNT 0.0 0.0 2026 0.0 0.0
MONTH TO DATE 0.0 0.0
SEASON TO DATE 0.0 0.0
SNOW DEPTH 0 0
DEGREE DAYS
HEATING (BASE 65F)
VALUE 0 3 3
MONTH TO DATE 150 91
SEASON TO DATE 5988 5525
COOLING (BASE 65F)
VALUE 9 0 0
MONTH TO DATE 15 12
SEASON TO DATE 21 15
WIND (mph)
HIGHEST WIND SPEED 24 SSW (200) 5:01 PM 30 W
HIGHEST GUST SPEED 35 S (182) 5:00 PM 41 W
MEAN WIND SPEED 12.5 SSE (167) 15.2 W
BAROMETRIC PRESSURE (in)
MAXIMUM 30.25 8:07 AM 29.54
MINIMUM 30.08 5:08 PM 29.46
MEAN 30.155 29.502
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 11:50 PM 94
LOWEST 34 12:34 PM 60
MEAN 53.2 77.7
SUNSHINE (W/m2)
TOTAL MINUTES 697 648
MAXIMUM INTENSITY 998 10:40 AM 1218
MEAN INTENSITY 302.4 192.6
MONTH MINUTES 10893
EVAPOTRANSPIRATION (in)
AMOUNT 0.30 0.16
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
none
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SUN AND MOON FOR May 18, 2026
SUNRISE 4:21 AM SUNSET 6:59 PM
MOONRISE 5:22 AM MOONSET 9:54 PM
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T INDICATES TRACE AMOUNT.
RECORDS BEGIN 04/20/2004.