Climatological Report (Seasonal)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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000
CXUS51 KBOX 071226
CLSBOS
BOSCLSBOS 000
TTAA00 BOX 071205
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
804 AM EDT TUE SEP 07 2021
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR THE SEASON, FROM
6/1/2021 TO 8/31/2021...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2021
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 104 07/04/1911
LOW 41 06/01/1945
HIGHEST 100 06/30 95
LOWEST 54 06/01 47
AVG. MAXIMUM 82.1 79.6 2.5
AVG. MINIMUM 66.9 63.6 3.3
MEAN 74.5 71.6 2.9
DAYS MAX >= 90 22 12.6 9.4
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 24.89 1955
MINIMUM 3.92 2016
TOTALS 19.64 10.39 9.25
DAILY AVG. 0.21 0.11 0.10
DAYS >= .01 40 29.3 10.7
DAYS >= .10 25 18.2 6.8
DAYS >= .50 14 6.8 7.2
DAYS >= 1.00 9 2.5 6.5
GREATEST
24 HR. TOTAL MM
SNOWFALL (INCHES)
RECORDS
TOTAL T 2020
TOTALS 0.0 0.0 0.0
LIQUID EQUIV 0.00
SINCE 7/1 0.0 0.0 0.0
DAYS >= TRACE 0 0.0 0.0
DAYS >= 1.0 0 0.0 0.0
GREATEST
24 HR TOTAL MM
DEGREE DAYS
HEATING TOTAL 12 58 -46
SINCE 7/1 9 4 5
COOLING TOTAL 912 668 244
SINCE 1/1 976 700 276
FREEZE DATES
RECORD
EARLIEST 10/05/1881
LATEST 05/03/1882
EARLIEST MM
LATEST 04/03
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 9.3
RESULTANT WIND SPEED/DIRECTION 2/220
HIGHEST WIND SPEED/DIRECTION 40/300 DATE 06/30
HIGHEST GUST SPEED/DIRECTION 61/300 DATE 07/27
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.68
NUMBER OF DAYS FAIR 9
NUMBER OF DAYS PC 43
NUMBER OF DAYS CLOUDY 40
AVERAGE RH (PERCENT) 68
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 20 MIXED PRECIP 0
HEAVY RAIN 20 RAIN 22
LIGHT RAIN 52 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 41 FOG W/VIS <= 1/4 MILE 8
HAZE 19
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$