Climatological Report (Monthly)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
187
CXUS51 KBOX 030106
CLMORH
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
906 PM EDT TUE JUN 02 2026
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...THE WORCESTER MA CLIMATE SUMMARY FOR THE MONTH OF MAY 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1892 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 94 05/26/2010
LOW 27 05/19/1944
HIGHEST 90 05/19 82
LOWEST 36 05/09 40
AVG. MAXIMUM 66.1 66.6 -0.5
AVG. MINIMUM 47.9 46.8 1.1
MEAN 57.0 56.7 0.3
DAYS MAX >= 90 1 0.1 0.9
DAYS MAX <= 32 0 0.0 0.0
DAYS MIN <= 32 0 0.2 -0.2
DAYS MIN <= 0 0 0.0 0.0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 9.94 1984
MINIMUM 0.60 2015
TOTALS 4.33 3.56 0.77
DAILY AVG. 0.14 0.11 0.03
DAYS >= .01 16 13.2 2.8
DAYS >= .10 9 7.9 1.1
DAYS >= .50 3 2.4 0.6
DAYS >= 1.00 1 0.6 0.4
GREATEST
24 HR. TOTAL 1.25 05/14 TO 05/14
SNOWFALL (INCHES)
RECORDS
TOTAL 12.7 1977
TOTALS 0.0 0.0 0.0
LIQUID EQUIV 0.00
SINCE 7/1 79.4 72.9 6.5
DAYS >= TRACE 0 0.0 0.0
DAYS >= 1.0 0 0.0 0.0
GREATEST
24 HR TOTAL MM
DEGREE DAYS
HEATING TOTAL 291 278 13
SINCE 7/1 6588 6543 45
COOLING TOTAL 51 21 30
SINCE 1/1 62 24 38
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WIND (MPH)
AVERAGE WIND SPEED 10.1
RESULTANT WIND SPEED/DIRECTION 6/270
HIGHEST WIND SPEED/DIRECTION 40/300 DATE 05/19
HIGHEST GUST SPEED/DIRECTION 68/310 DATE 05/19
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.43
NUMBER OF DAYS FAIR 15
NUMBER OF DAYS PC 11
NUMBER OF DAYS CLOUDY 5
AVERAGE RH (PERCENT) 63
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 MIXED PRECIP 0
HEAVY RAIN 4 RAIN 6
LIGHT RAIN 16 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 12 FOG W/VIS <= 1/4 MILE 3
HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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