Climatological Report (Monthly)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
185
CXUS51 KBOX 030106
CLMBDL
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
906 PM EDT TUE JUN 02 2026
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...THE HARTFORD CT CLIMATE SUMMARY FOR THE MONTH OF MAY 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1904 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 99 05/26/2010
05/20/1996
LOW 28 05/01/2008
05/07/2001
05/04/1985
HIGHEST 96 05/19 85
LOWEST 36 05/31 39
AVG. MAXIMUM 70.6 71.7 -1.1
AVG. MINIMUM 48.2 48.4 -0.2
MEAN 59.4 60.0 -0.6
DAYS MAX >= 90 4 1.4 2.6
DAYS MAX <= 32 0 0.0 0.0
DAYS MIN <= 32 0 0.4 -0.4
DAYS MIN <= 0 0 0.0 0.0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 12.00 1989
MINIMUM 0.73 1959
TOTALS 3.19 3.79 -0.60
DAILY AVG. 0.10 0.12 -0.02
DAYS >= .01 14 12.3 1.7
DAYS >= .10 10 7.4 2.6
DAYS >= .50 2 2.4 -0.4
DAYS >= 1.00 0 0.8 -0.8
GREATEST
24 HR. TOTAL 1.09 05/24 TO 05/25
SNOWFALL (INCHES)
RECORDS
TOTAL 1.3 1977
SNOW DEPTH T 05/07/1977
TOTALS 0.0 0.0 0.0
LIQUID EQUIV 0.00
SINCE 7/1 52.7 51.7 1.0
SNOWDEPTH AVG. 0
DAYS >= TRACE 0 0.0 0.0
DAYS >= 1.0 0 0.0 0.0
GREATEST
SNOW DEPTH 0
24 HR TOTAL MM
DEGREE DAYS
HEATING TOTAL 222 193 29
SINCE 7/1 6019 5849 170
COOLING TOTAL 57 40 17
SINCE 1/1 81 47 34
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WIND (MPH)
AVERAGE WIND SPEED 8.0
RESULTANT WIND SPEED/DIRECTION 2/270
HIGHEST WIND SPEED/DIRECTION 29/300 DATE 05/03
29/020 05/30
HIGHEST GUST SPEED/DIRECTION 41/300 DATE 05/03
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.68
NUMBER OF DAYS FAIR 2
NUMBER OF DAYS PC 16
NUMBER OF DAYS CLOUDY 13
AVERAGE RH (PERCENT) 64
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 2 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 7
LIGHT RAIN 16 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 9 FOG W/VIS <= 1/4 MILE 0
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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