Climatological Report (Monthly) Issued by NWS Boston, MA
000
CXUS51 KBOX 011145
CLMORH
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
745 AM EDT THU JUN 01 2023
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...THE WORCESTER MA CLIMATE SUMMARY FOR THE MONTH OF MAY 2023...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1892 TO 2023
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 83 05/28 90
LOWEST 34 05/18 39
AVG. MAXIMUM 68.5 66.6 1.9
AVG. MINIMUM 47.3 46.8 0.5
MEAN 57.9 56.7 1.2
DAYS MAX >= 90 0 0.1 -0.1
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 2.54 3.56 -1.02
DAILY AVG. 0.08 0.11 -0.03
DAYS >= .01 9 13.2 -4.2
DAYS >= .10 5 7.9 -2.9
DAYS >= .50 1 2.4 -1.4
DAYS >= 1.00 1 0.6 0.4
GREATEST
24 HR. TOTAL 1.52 05/20 TO 05/20
SNOWFALL (INCHES)
RECORDS
MAXIMUM 12.7 1977
MINIMUM 0.0 MULTI-YEARS
TOTALS 0.0 0.0 0.0
LIQUID EQUIV 0.00
SINCE 7/1 47.2 72.9 -25.7
DAYS >= TRACE 0 0.0 0.0
DAYS >= 1.0 0 0.0 0.0
GREATEST
24 HR TOTAL MM
DEGREE DAYS
HEATING TOTAL 229 278 -49
SINCE 7/1 5362 6543 -1181
COOLING TOTAL 16 21 -5
SINCE 1/1 31 24 7
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WIND (MPH)
AVERAGE WIND SPEED 9.7
RESULTANT WIND SPEED/DIRECTION 4/290
HIGHEST WIND SPEED/DIRECTION 28/250 DATE 05/01
28/290 05/17
HIGHEST GUST SPEED/DIRECTION 39/290 DATE 05/24
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.23
NUMBER OF DAYS FAIR 24
NUMBER OF DAYS PC 2
NUMBER OF DAYS CLOUDY 5
AVERAGE RH (PERCENT) 54
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 5
LIGHT RAIN 10 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 8 FOG W/VIS <= 1/4 MILE 4
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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