National Weather Service Text Product
AFOS product CLIBOS
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIBOS
Product Timestamp: 2025-04-21 05:33 UTC
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374
CDUS41 KBOX 210533
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
133 AM EDT MON APR 21 2025
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR APRIL 20 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 70 1226 AM 89 1927 58 12 60
1941
1976
MINIMUM 48 1159 PM 21 1897 43 5 46
AVERAGE 59 50 9 53
PRECIPITATION (IN)
YESTERDAY 0.00 0.87 1874 0.11 -0.11 0.29
MONTH TO DATE 2.22 2.51 -0.29 2.87
SINCE MAR 1 6.32 6.68 -0.36 11.81
SINCE JAN 1 11.63 13.28 -1.65 20.10
SNOWFALL (IN)
YESTERDAY 0.0 1.0 1904 0.0 0.0 0.0
MONTH TO DATE T 1.5 -1.5 0.1
SINCE MAR 1 T 10.5 -10.5 0.1
SINCE JUL 1 28.1 49.1 -21.0 9.8
DEGREE DAYS
HEATING
YESTERDAY 6 15 -9 12
MONTH TO DATE 352 367 -15 333
SINCE MAR 1 1049 1195 -146 1037
SINCE JUL 1 4808 5133 -325 4522
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 5 0 5 0
SINCE MAR 1 5 0 5 0
SINCE JAN 1 5 0 5 0
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 18 RESULTANT WIND DIRECTION NW (300)
HIGHEST WIND SPEED 35 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 51 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 19.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 66 1200 AM
LOWEST 15 400 PM
AVERAGE 41
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 88 1957
MINIMUM TEMPERATURE (F) 43 21 1875
SUNRISE AND SUNSET
APRIL 21 2025.........SUNRISE 553 AM EDT SUNSET 733 PM EDT
APRIL 22 2025.........SUNRISE 552 AM EDT SUNSET 734 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$