369
CDUS41 KBOX 112121
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
521 PM EDT SUN MAY 11 2025
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 11 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 70 359 PM 91 1993 65 5 54
MINIMUM 55 447 AM 33 1900 49 6 43
AVERAGE 63 57 6 49
PRECIPITATION (IN)
TODAY 0.00 1.42 1989 0.10 -0.10 0.00
MONTH TO DATE 3.00 1.15 1.85 1.33
SINCE MAR 1 10.23 8.95 1.28 13.23
SINCE JAN 1 15.54 15.55 -0.01 21.52
SNOWFALL (IN)
TODAY 0.0 T 1945 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
TODAY 2 8 -6 16
MONTH TO DATE 67 108 -41 124
SINCE MAR 1 1186 1432 -246 1305
SINCE JUL 1 4945 5370 -425 4790
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 6 3 3 0
SINCE MAR 1 12 7 5 0
SINCE JAN 1 12 7 5 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 12.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 69 1200 AM
LOWEST 17 400 PM
AVERAGE 43
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 88 1991
2001
MINIMUM TEMPERATURE (F) 49 33 1907
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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