Climatological Report (Seasonal)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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CXUS51 KBOX 011354 RRA
CLSBDL
BOSCLSBDL 000
TTAA00 BOX 011352
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
952 AM EDT MON SEP 01 2025
...................................
...THE HARTFORD CT CLIMATE SUMMARY FOR THE SEASON, FROM
6/1/2025 TO 8/31/2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1904 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 103 07/22/2011
LOW 36 08/31/1965
HIGHEST 99 06/24 98
LOWEST 45 06/02 50
06/03
08/28
AVG. MAXIMUM 83.2 82.8 0.4
AVG. MINIMUM 61.2 61.0 0.2
MEAN 72.2 71.9 0.3
DAYS MAX >= 90 22 16.8 5.2
DAYS MAX <= 32 0 0.0 0.0
DAYS MIN <= 32 0 0.0 0.0
DAYS MIN <= 0 0 0.0 0.0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 27.88 1955
MINIMUM 4.42 2020
TOTALS 12.39 12.66 -0.27
DAILY AVG. 0.13 0.14 -0.01
DAYS >= .01 28 32.9 -4.9
DAYS >= .10 16 21.2 -5.2
DAYS >= .50 9 8.2 0.8
DAYS >= 1.00 3 3.6 -0.6
GREATEST
24 HR. TOTAL 2.58 07/31 TO 07/31
SNOWFALL (INCHES)
RECORDS
TOTAL T 2021
SNOW DEPTH 0 MM
TOTALS 0.0 0.0 0.0
LIQUID EQUIV 0.00
SINCE 7/1 0.0 0.0 0.0
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 0.0
DEGREE DAYS
HEATING TOTAL 40 42 -2
SINCE 7/1 19 3 16
COOLING TOTAL 728 678 50
SINCE 1/1 771 725 46
FREEZE DATES
RECORD
EARLIEST 09/20/1979
LATEST 05/20/2002
EARLIEST MM
LATEST 04/18
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 6.4
RESULTANT WIND SPEED/DIRECTION 2/210
HIGHEST WIND SPEED/DIRECTION 35/320 DATE 07/20
HIGHEST GUST SPEED/DIRECTION 49/290 DATE 07/03
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.58
NUMBER OF DAYS FAIR 21
NUMBER OF DAYS PC 41
NUMBER OF DAYS CLOUDY 30
AVERAGE RH (PERCENT) 70
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 10 MIXED PRECIP 0
HEAVY RAIN 12 RAIN 15
LIGHT RAIN 29 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 37 FOG W/VIS <= 1/4 MILE 2
HAZE 9
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$