105
CDUS41 KBOX 110531
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
131 AM EDT SUN MAY 11 2025
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 10 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 64 454 PM 94 1896 65 -1 54
1979
MINIMUM 47 649 AM 34 1900 49 -2 45
1902
2020
AVERAGE 56 57 -1 50
PRECIPITATION (IN)
YESTERDAY 0.44 1.43 1998 0.10 0.34 0.00
MONTH TO DATE 3.00 1.05 1.95 1.33
SINCE MAR 1 10.23 8.85 1.38 13.23
SINCE JAN 1 15.54 15.45 0.09 21.52
SNOWFALL (IN)
YESTERDAY 0.0 0.5 1977 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE MAR 1 T 10.6 -10.6 0.1
SINCE JUL 1 28.1 49.2 -21.1 9.8
DEGREE DAYS
HEATING
YESTERDAY 9 9 0 15
MONTH TO DATE 65 100 -35 108
SINCE MAR 1 1184 1424 -240 1289
SINCE JUL 1 4943 5362 -419 4774
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 6 2 4 0
SINCE MAR 1 12 6 6 0
SINCE JAN 1 12 6 6 0
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION NW (320)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 11.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1200 AM
LOWEST 58 500 PM
AVERAGE 79
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 91 1993
MINIMUM TEMPERATURE (F) 49 33 1900
SUNRISE AND SUNSET
MAY 11 2025...........SUNRISE 527 AM EDT SUNSET 755 PM EDT
MAY 12 2025...........SUNRISE 526 AM EDT SUNSET 756 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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