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CDUS41 KBOX 180600
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
200 AM EDT THU MAY 18 2023
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR MAY 17 2023...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 61 1200 AM 92 1977 67 -6 74
2017
MINIMUM 44 1159 PM 39 1882 51 -7 58
AVERAGE 53 59 -6 66
PRECIPITATION (IN)
YESTERDAY 0.00 1.88 1916 0.09 -0.09 T
MONTH TO DATE 0.28 1.72 -1.44 0.47
SINCE MAR 1 7.67 9.52 -1.85 5.72
SINCE JAN 1 14.26 16.12 -1.86 12.66
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2000 0.0 0.0 0.0
2001
2002
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE MAR 1 0.9 10.6 -9.7 2.1
SINCE JUL 1 12.4 49.2 -36.8 54.0
DEGREE DAYS
HEATING
YESTERDAY 12 7 5 0
MONTH TO DATE 103 154 -51 151
SINCE MAR 1 1271 1478 -207 1315
SINCE JUL 1 4587 5416 -829 4937
COOLING
YESTERDAY 0 1 -1 1
MONTH TO DATE 27 9 18 22
SINCE MAR 1 32 13 19 22
SINCE JAN 1 32 13 19 22
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WIND (MPH)
RESULTANT WIND SPEED 16 RESULTANT WIND DIRECTION N (340)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 16.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 72 100 AM
LOWEST 21 400 PM
AVERAGE 47
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THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 95 2017
MINIMUM TEMPERATURE (F) 51 37 2002
SUNRISE AND SUNSET
MAY 18 2023...........SUNRISE 520 AM EDT SUNSET 802 PM EDT
MAY 19 2023...........SUNRISE 519 AM EDT SUNSET 803 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$