Climatological Report (Daily)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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CDUS41 KBOX 202125
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
525 PM EDT MON MAY 20 2024
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR MAY 20 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 60 102 PM 91 1996 68 -8 66
MINIMUM 52 500 AM 40 1892 51 1 53
AVERAGE 56 60 -4 60
PRECIPITATION (IN)
TODAY 0.00 1.83 2023 0.11 -0.11 1.83
MONTH TO DATE 2.72 2.03 0.69 2.11
SINCE MAR 1 14.62 9.83 4.79 9.50
SINCE JAN 1 22.91 16.43 6.48 16.09
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 9 6 3 5
MONTH TO DATE 192 174 18 127
SINCE MAR 1 1373 1498 -125 1295
SINCE JUL 1 4858 5436 -578 4611
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 0 12 -12 27
SINCE MAR 1 0 16 -16 32
SINCE JAN 1 0 16 -16 32
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 7.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1200 AM
LOWEST 77 200 PM
AVERAGE 85
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 93 1921
MINIMUM TEMPERATURE (F) 52 41 1907
SUNRISE AND SUNSET
MAY 20 2024...........SUNRISE 518 AM EDT SUNSET 804 PM EDT
MAY 21 2024...........SUNRISE 517 AM EDT SUNSET 805 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$