717
CXUS51 KBOX 081505
CLABOS
BOSCLABOS 000
TTAA00 BOX 081504
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1003 AM EST THU JAN 08 2026
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR THE YEAR OF 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2026
WEATHER OBSERVED NORMAL DEPART
VALUE DATE(S) VALUE FROM
NORMAL
............................................
TEMPERATURE (F)
RECORD
HIGH 104 07/04/1911
LOW -18 02/09/1934
HIGHEST 102 06/24
LOWEST 9 02/02
AVG. MAXIMUM 59.5 59.3 0.2
AVG. MINIMUM 44.9 44.5 0.4
MEAN 52.2 51.9 0.3
DAYS MAX >= 90 19 14.1 4.9
DAYS MAX <= 32 28 23.1 4.9
DAYS MIN <= 32 96 91.6 4.4
DAYS MIN <= 0 0 0.6 -0.6
PRECIPITATION (INCHES)
RECORD
MAXIMUM 65.53 1878
MINIMUM 23.71 1965
TOTALS 37.14 43.59 -6.45
DAILY AVG. 0.10 0.12 -0.02
DAYS >= .01 115 128.4 -13.4
DAYS >= .10 72 77.0 -5.0
DAYS >= .50 22 29.0 -7.0
DAYS >= 1.00 8 10.2 -2.2
GREATEST
24 HR. TOTAL 3.11 05/22 TO 05/22
SNOWFALL (INCHES)
RECORDS
TOTAL 108.6 2015
TOTALS 26.7 49.2 -22.5
SINCE 7/1 4.3 9.9 -5.6
DAYS >= TRACE 38 23.0 15.0
DAYS >= 1.0 11 11.1 -0.1
GREATEST
24 HR TOTAL 5.5 02/08 TO 02/09
DEGREE DAYS
HEATING TOTAL 5397 5545 -148
SINCE 7/1 1974 1923 51
COOLING TOTAL 865 802 63
SINCE 1/1 865 800 65
............................................
WIND (MPH)
AVERAGE WIND SPEED 11.4
RESULTANT WIND SPEED/DIRECTION 4/270
HIGHEST WIND SPEED/DIRECTION 46/170 DATE 12/19
HIGHEST GUST SPEED/DIRECTION 65/270 DATE 03/07
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.60
NUMBER OF DAYS FAIR 89
NUMBER OF DAYS PC 154
NUMBER OF DAYS CLOUDY 119
AVERAGE RH (PERCENT) 65
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 20 MIXED PRECIP 2
HEAVY RAIN 34 RAIN 57
LIGHT RAIN 130 FREEZING RAIN 0
LT FREEZING RAIN 2 HAIL 1
HEAVY SNOW 0 SNOW 2
LIGHT SNOW 39 SLEET 6
FOG 117 FOG W/VIS <= 1/4 MILE 14
HAZE 21
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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