092
CXUS51 KBOX 011415
CLMBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1015 AM EDT THU MAY 01 2025
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR THE MONTH OF APRIL 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..........................................................
TEMPERATURE (F)
RECORD
HIGH 94 04/18/1976
LOW 11 04/05/1874
HIGHEST 83 04/19 73
LOWEST 28 04/09 34
AVG. MAXIMUM 59.3 56.4 2.9
AVG. MINIMUM 42.3 40.8 1.5
MEAN 50.8 48.6 2.2
DAYS MAX >= 90 0 0.1 -0.1
DAYS MAX <= 32 0 0.1 -0.1
DAYS MIN <= 32 3 2.1 0.9
DAYS MIN <= 0 0 0.0 0.0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 9.57 2004
MINIMUM 0.83 1999
TOTALS 3.13 3.63 -0.50
DAILY AVG. 0.10 0.12 -0.02
DAYS >= .01 14 11.6 2.4
DAYS >= .10 10 6.7 3.3
DAYS >= .50 1 2.3 -1.3
DAYS >= 1.00 0 0.7 -0.7
GREATEST
24 HR. TOTAL 55.00 04/26 TO 04/26
SNOWFALL (INCHES)
RECORDS
TOTAL 22.4 1997
TOTALS T 1.6 -1.6
LIQUID EQUIV T
SINCE 7/1 28.1 49.2 -21.1
DAYS >= TRACE 4 0.8 3.2
DAYS >= 1.0 0 0.3 -0.3
GREATEST
24 HR TOTAL T 04/02 TO 04/02
04/07 TO 04/07
04/12 TO 04/12
DEGREE DAYS
HEATING TOTAL 422 496 -74
SINCE 7/1 4878 5262 -384
COOLING TOTAL 6 4 2
SINCE 1/1 6 4 2
..........................................................
WIND (MPH)
AVERAGE WIND SPEED 12.6
RESULTANT WIND SPEED/DIRECTION 4/280
HIGHEST WIND SPEED/DIRECTION 37/290 DATE 04/15
HIGHEST GUST SPEED/DIRECTION 52/270 DATE 04/15
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.66
NUMBER OF DAYS FAIR 3
NUMBER OF DAYS PC 15
NUMBER OF DAYS CLOUDY 12
AVERAGE RH (PERCENT) 61
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 4 RAIN 7
LIGHT RAIN 17 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 4 SLEET 2
FOG 13 FOG W/VIS <= 1/4 MILE 2
HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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