341
CDUS41 KBOX 220523
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
123 AM EDT THU MAY 22 2025
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 21 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 50 1257 PM 93 1921 68 -18 84
MINIMUM 47 622 PM 41 1907 52 -5 53
AVERAGE 49 60 -11 69
PRECIPITATION (IN)
YESTERDAY T 2.24 1889 0.10 -0.10 0.00
MONTH TO DATE 3.35 2.13 1.22 2.72
SINCE MAR 1 10.58 9.93 0.65 14.62
SINCE JAN 1 15.89 16.53 -0.64 22.91
SNOWFALL (IN)
YESTERDAY 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
YESTERDAY 16 6 10 0
MONTH TO DATE 127 180 -53 192
SINCE MAR 1 1246 1504 -258 1373
SINCE JUL 1 5005 5442 -437 4858
COOLING
YESTERDAY 0 1 -1 4
MONTH TO DATE 16 13 3 4
SINCE MAR 1 22 17 5 4
SINCE JAN 1 22 17 5 4
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION E (70)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 14.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 1200 AM
LOWEST 66 900 AM
AVERAGE 75
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 93 1959
MINIMUM TEMPERATURE (F) 52 39 1894
SUNRISE AND SUNSET
MAY 22 2025...........SUNRISE 516 AM EDT SUNSET 806 PM EDT
MAY 23 2025...........SUNRISE 515 AM EDT SUNSET 807 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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