Climatological Report (Seasonal)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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CXUS51 KBOX 011632
CLSBOS
BOSCLSBOS 000
TTAA00 BOX 011630
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1230 PM EDT SUN JUN 01 2025
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR THE SEASON, FROM
3/1/2025 TO 5/31/2025...
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 97 05/26/1880
LOW -8 03/06/1872
HIGHEST 84 05/03 89
LOWEST 12 03/03 23
AVG. MAXIMUM 58.8 56.1 2.7
AVG. MINIMUM 42.7 40.7 2.0
MEAN 50.8 48.4 2.4
DAYS MAX >= 90 0 0.7 -0.7
DAYS MAX <= 32 1 2.2 -1.2
DAYS MIN <= 32 11 18.2 -7.2
DAYS MIN <= 0 0 0.0 0.0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 22.10 1953
MINIMUM 3.50 1915
TOTALS 14.48 11.05 3.43
DAILY AVG. 0.15 0.12 0.03
DAYS >= .01 37 35.0 2.0
DAYS >= .10 26 20.4 5.6
DAYS >= .50 7 6.8 0.2
DAYS >= 1.00 3 2.3 0.7
GREATEST
24 HR. TOTAL 3.45 05/22 TO 05/23
SNOWFALL (INCHES)
RECORDS
TOTAL 41.1 1993
TOTALS T 10.6 -10.6
LIQUID EQUIV T
SINCE 7/1 28.1 49.2 -21.1
DAYS >= TRACE 5 5.2 -0.2
DAYS >= 1.0 0 2.5 -2.5
GREATEST
24 HR TOTAL T 04/02 TO 04/02
04/07 TO 04/07
04/12 TO 04/12
DEGREE DAYS
HEATING TOTAL 1314 1558 -244
SINCE 7/1 5073 5494 -421
COOLING TOTAL 29 34 -5
SINCE 1/1 29 33 -4
FREEZE DATES
RECORD
EARLIEST 10/05/1881
LATEST 05/03/1882
EARLIEST 11/13
LATEST 03/24
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 12.2
RESULTANT WIND SPEED/DIRECTION 3/270
HIGHEST WIND SPEED/DIRECTION 40/290 DATE 03/07
HIGHEST GUST SPEED/DIRECTION 65/270 DATE 03/07
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.69
NUMBER OF DAYS FAIR 11
NUMBER OF DAYS PC 33
NUMBER OF DAYS CLOUDY 46
AVERAGE RH (PERCENT) 64
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 9 MIXED PRECIP 0
HEAVY RAIN 15 RAIN 24
LIGHT RAIN 49 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 5 SLEET 2
FOG 36 FOG W/VIS <= 1/4 MILE 7
HAZE 6
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$