National Weather Service Text Product
AFOS product CLIBOS
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIBOS
Product Timestamp: 2021-04-18 05:29 UTC
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897
CDUS41 KBOX 180529
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
129 AM EDT SUN APR 18 2021
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR APRIL 17 2021...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1872 TO 2021
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 51 418 PM 93 2002 56 -5 49
MINIMUM 39 946 AM 26 1908 41 -2 34
1930
AVERAGE 45 49 -4 42
PRECIPITATION (IN)
YESTERDAY 0.08 2.47 1954 0.12 -0.04 0.01
MONTH TO DATE 2.82 2.28 0.54 2.29
SINCE MAR 1 4.71 6.60 -1.89 5.89
SINCE JAN 1 9.78 13.21 -3.43 10.58
SNOWFALL (IN)
YESTERDAY 0.0 0.6 1935 0.0 0.0 0.0
MONTH TO DATE 0.1 1.6 -1.5 T
SINCE MAR 1 0.2 9.4 -9.2 T
SINCE JUL 1 38.6 43.5 -4.9 15.1
DEGREE DAYS
HEATING
YESTERDAY 20 16 4 23
MONTH TO DATE 277 326 -49 323
SINCE MAR 1 981 1155 -174 1036
SINCE JUL 1 4758 5197 -439 4419
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION NW (330)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 11.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 200 AM
LOWEST 50 400 PM
AVERAGE 68
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 94 1976
MINIMUM TEMPERATURE (F) 42 26 1875
1887
SUNRISE AND SUNSET
APRIL 18 2021.........SUNRISE 558 AM EDT SUNSET 729 PM EDT
APRIL 19 2021.........SUNRISE 557 AM EDT SUNSET 731 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$