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145
CDUS41 KBOX 210542
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
142 AM EDT THU MAY 21 2020
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR MAY 20 2020...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1872 TO 2020
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 58 145 PM 91 1996 67 -9 88
MINIMUM 45 358 AM 40 1892 51 -6 66
AVERAGE 52 59 -7 77
PRECIPITATION (IN)
YESTERDAY 0.00 1.23 1969 0.12 -0.12 0.13
MONTH TO DATE 2.12 2.11 0.01 2.37
SINCE MAR 1 10.05 10.17 -0.12 11.84
SINCE JAN 1 14.74 16.78 -2.04 18.91
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2002 0.0 0.0 0.0
2001
2000
MONTH TO DATE T 0.1 -0.1 0.0
SINCE MAR 1 0.7 9.8 -9.1 13.5
SINCE JUL 1 15.8 43.9 -28.1 27.4
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 13 7 6 0
MONTH TO DATE 234 186 48 199
SINCE MAR 1 1553 1525 28 1393
SINCE JUL 1 4936 5567 -631 5199
COOLING
YESTERDAY 0 1 -1 12
MONTH TO DATE 1 7 -6 12
SINCE MAR 1 1 10 -9 20
SINCE JAN 1 1 10 -9 20
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WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION E (110)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SE (120)
AVERAGE WIND SPEED 8.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 400 AM
LOWEST 41 400 PM
AVERAGE 62
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THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 93 1921
MINIMUM TEMPERATURE (F) 51 41 1907
SUNRISE AND SUNSET
MAY 21 2020...........SUNRISE 517 AM EDT SUNSET 805 PM EDT
MAY 22 2020...........SUNRISE 516 AM EDT SUNSET 806 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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