264
CDUS41 KBOX 182124
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
524 PM EDT SUN MAY 18 2025
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 18 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 1148 AM 95 2017 67 3 60
MINIMUM 60 459 AM 37 2002 51 9 53
AVERAGE 65 59 6 57
PRECIPITATION (IN)
TODAY T 1.72 2007 0.10 -0.10 0.61
MONTH TO DATE 3.35 1.82 1.53 2.64
SINCE MAR 1 10.58 9.62 0.96 14.54
SINCE JAN 1 15.89 16.22 -0.33 22.83
SNOWFALL (IN)
TODAY 0.0 0.0 2000 0.0 0.0 0.0
2001
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 0 7 -7 8
MONTH TO DATE 91 161 -70 172
SINCE MAR 1 1210 1485 -275 1353
SINCE JUL 1 4969 5423 -454 4838
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 16 10 6 0
SINCE MAR 1 22 14 8 0
SINCE JAN 1 22 14 8 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 15.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 1200 AM
LOWEST 49 1200 PM
AVERAGE 65
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 90 1949
1986
2017
MINIMUM TEMPERATURE (F) 51 38 1882
SUNRISE AND SUNSET
MAY 18 2025...........SUNRISE 520 AM EDT SUNSET 802 PM EDT
MAY 19 2025...........SUNRISE 519 AM EDT SUNSET 803 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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