282
CDUS41 KBOX 212121
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
521 PM EDT SUN MAY 21 2023
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 21 2023
VALID AS OF 0500 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 76 349 PM 93 1921 68 8 71
MINIMUM 61 821 AM 41 1907 52 9 54
AVERAGE 69 60 9 63
PRECIPITATION (IN)
TODAY 0.11 2.24 1889 0.10 0.01 0.02
MONTH TO DATE 2.22 2.13 0.09 0.50
SINCE MAR 1 9.61 9.93 -0.32 5.75
SINCE JAN 1 16.20 16.53 -0.33 12.69
SNOWFALL (IN)
TODAY 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
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 0 6 -6 2
MONTH TO DATE 127 180 -53 166
SINCE MAR 1 1295 1504 -209 1330
SINCE JUL 1 4611 5442 -831 4952
COOLING
TODAY 4 1 3 0
MONTH TO DATE 31 13 18 22
SINCE MAR 1 36 17 19 22
SINCE JAN 1 36 17 19 22
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 11.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 1200 AM
LOWEST 38 400 PM
AVERAGE 68
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 93 1959
MINIMUM TEMPERATURE (F) 52 39 1894
SUNRISE AND SUNSET
MAY 21 2023...........SUNRISE 517 AM EDT SUNSET 805 PM EDT
MAY 22 2023...........SUNRISE 517 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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