468
CDUS41 KBOX 182054
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
454 PM EDT THU MAY 18 2023
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 18 2023
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 64 157 PM 95 2017 67 -3 73
MINIMUM 42 452 AM 37 2002 51 -9 54
AVERAGE 53 59 -6 64
PRECIPITATION (IN)
TODAY 0.00 1.72 2007 0.10 -0.10 0.00
MONTH TO DATE 0.28 1.82 -1.54 0.47
SINCE MAR 1 7.67 9.62 -1.95 5.72
SINCE JAN 1 14.26 16.22 -1.96 12.66
SNOWFALL (IN)
TODAY 0.0 0.0 2000 0.0 0.0 0.0
2001
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
TODAY 12 7 5 1
MONTH TO DATE 115 161 -46 152
SINCE MAR 1 1283 1485 -202 1316
SINCE JUL 1 4599 5423 -824 4938
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 27 10 17 22
SINCE MAR 1 32 14 18 22
SINCE JAN 1 32 14 18 22
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SE (120)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SE (120)
AVERAGE WIND SPEED 9.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 44 300 PM
LOWEST 21 200 PM
AVERAGE 33
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 90 1949
1986
2017
MINIMUM TEMPERATURE (F) 51 38 1882
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.
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