National Weather Service Text Product
AFOS product CLIBOS
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIBOS
Product Timestamp: 2025-05-23 21:04 UTC
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487
CDUS41 KBOX 232104
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
504 PM EDT FRI MAY 23 2025
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR MAY 22 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 48 1038 AM 93 1959 68 -20 89
MINIMUM 45 1159 PM 39 1894 52 -7 61
AVERAGE 47 60 -13 75
PRECIPITATION (IN)
YESTERDAY 3.11 3.23 1920 0.10 3.01 0.00
MONTH TO DATE 6.46 2.23 4.23 2.72
SINCE MAR 1 13.69 10.03 3.66 14.62
SINCE JAN 1 19.00 16.63 2.37 22.91
SNOWFALL (IN)
YESTERDAY MM 0.0 2000 0.0 MM 0.0
2001
2002
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE MAR 1 T 10.6 -10.6 0.1
SINCE JUL 1 28.1 49.2 -21.1 9.8
DEGREE DAYS
HEATING
YESTERDAY 18 6 12 0
MONTH TO DATE 145 186 -41 192
SINCE MAR 1 1264 1510 -246 1373
SINCE JUL 1 5023 5448 -425 4858
COOLING
YESTERDAY 0 1 -1 10
MONTH TO DATE 16 14 2 14
SINCE MAR 1 22 18 4 14
SINCE JAN 1 22 18 4 14
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 18 RESULTANT WIND DIRECTION NE (50)
HIGHEST WIND SPEED 35 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 49 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 20.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 600 PM
LOWEST 80 100 AM
AVERAGE 89
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 93 1964
MINIMUM TEMPERATURE (F) 52 40 1876
1882
1967
SUNRISE AND SUNSET
MAY 23 2025...........SUNRISE 515 AM EDT SUNSET 807 PM EDT
MAY 24 2025...........SUNRISE 515 AM EDT SUNSET 808 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$