National Weather Service Text Product
AFOS product CLIBOS
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIBOS
Product Timestamp: 2023-05-21 06:34 UTC
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339
CDUS41 KBOX 210634
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
234 AM EDT SUN MAY 21 2023
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR MAY 20 2023...
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)
YESTERDAY
MAXIMUM 66 1159 PM 91 1996 68 -2 66
MINIMUM 53 325 AM 40 1892 51 2 52
AVERAGE 60 60 0 59
PRECIPITATION (IN)
YESTERDAY 1.83R 1.23 1969 0.11 1.72 T
MONTH TO DATE 2.11 2.03 0.08 0.48
SINCE MAR 1 9.50 9.83 -0.33 5.73
SINCE JAN 1 16.09 16.43 -0.34 12.67
SNOWFALL (IN)
YESTERDAY 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
DEGREE DAYS
HEATING
YESTERDAY 5 6 -1 6
MONTH TO DATE 127 174 -47 164
SINCE MAR 1 1295 1498 -203 1328
SINCE JUL 1 4611 5436 -825 4950
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 27 12 15 22
SINCE MAR 1 32 16 16 22
SINCE JAN 1 32 16 16 22
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SE (150)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 9.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 200 PM
LOWEST 77 1200 AM
AVERAGE 89
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 93 1921
MINIMUM TEMPERATURE (F) 52 41 1907
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.
$$