570
CDUS41 KBOX 192129
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
529 PM EDT MON MAY 19 2025
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 19 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 64 210 PM 90 1949 67 -3 57
1986
2017
MINIMUM 53 558 AM 38 1882 51 2 51
AVERAGE 59 59 0 54
PRECIPITATION (IN)
TODAY 0.00 1.55 1900 0.10 -0.10 0.08
MONTH TO DATE 3.35 1.92 1.43 2.72
SINCE MAR 1 10.58 9.72 0.86 14.62
SINCE JAN 1 15.89 16.32 -0.43 22.91
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 6 7 -1 11
MONTH TO DATE 97 168 -71 183
SINCE MAR 1 1216 1492 -276 1364
SINCE JUL 1 4975 5430 -455 4849
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 16 11 5 0
SINCE MAR 1 22 15 7 0
SINCE JAN 1 22 15 7 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 19.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 69 1200 AM
LOWEST 45 100 PM
AVERAGE 57
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 91 1996
MINIMUM TEMPERATURE (F) 51 40 1892
SUNRISE AND SUNSET
MAY 19 2025...........SUNRISE 519 AM EDT SUNSET 803 PM EDT
MAY 20 2025...........SUNRISE 518 AM EDT SUNSET 804 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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