Climatological Report (Daily)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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CDUS41 KBOX 212143
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
543 PM EDT TUE MAY 21 2024
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR MAY 21 2024...
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 84 255 PM 93 1921 68 16 76
MINIMUM 53 341 AM 41 1907 52 1 61
AVERAGE 69 60 9 69
PRECIPITATION (IN)
TODAY 0.00 2.24 1889 0.10 -0.10 0.11
MONTH TO DATE 2.72 2.13 0.59 2.22
SINCE MAR 1 14.62 9.93 4.69 9.61
SINCE JAN 1 22.91 16.53 6.38 16.20
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 0.1 10.6 -10.5 0.9
SINCE JUL 1 9.8 49.2 -39.4 12.4
DEGREE DAYS
HEATING
TODAY 0 6 -6 0
MONTH TO DATE 192 180 12 127
SINCE MAR 1 1373 1504 -131 1295
SINCE JUL 1 4858 5442 -584 4611
COOLING
TODAY 4 1 3 4
MONTH TO DATE 4 13 -9 31
SINCE MAR 1 4 17 -13 36
SINCE JAN 1 4 17 -13 36
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 8.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 500 AM
LOWEST 49 300 PM
AVERAGE 73
..........................................................
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 2024...........SUNRISE 517 AM EDT SUNSET 805 PM EDT
MAY 22 2024...........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.
$$