730
CDUS41 KBOX 152125
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
525 PM EDT THU MAY 15 2025
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 15 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 68 1203 PM 93 1900 66 2 70
MINIMUM 55 418 AM 36 1947 50 5 55
AVERAGE 62 58 4 63
PRECIPITATION (IN)
TODAY 0.35 1.73 1978 0.09 0.26 0.30
MONTH TO DATE 3.35 1.53 1.82 1.63
SINCE MAR 1 10.58 9.33 1.25 13.53
SINCE JAN 1 15.89 15.93 -0.04 21.82
SNOWFALL (IN)
TODAY 0.0 0.0 2000 0.0 0.0 0.0
2001
2002
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 3 8 -5 2
MONTH TO DATE 91 140 -49 150
SINCE MAR 1 1210 1464 -254 1331
SINCE JUL 1 4969 5402 -433 4816
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 6 7 -1 0
SINCE MAR 1 12 11 1 0
SINCE JAN 1 12 11 1 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 5.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 900 AM
LOWEST 84 1200 PM
AVERAGE 91
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 93 1932
MINIMUM TEMPERATURE (F) 50 34 1936
SUNRISE AND SUNSET
MAY 15 2025...........SUNRISE 522 AM EDT SUNSET 759 PM EDT
MAY 16 2025...........SUNRISE 521 AM EDT SUNSET 800 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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