National Weather Service Text Product
AFOS product CLIBOS
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIBOS
Product Timestamp: 2021-05-11 05:50 UTC
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192
CDUS41 KBOX 110550
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
150 AM EDT TUE MAY 11 2021
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR MAY 10 2021...
CLIMATE NORMAL PERIOD 1991 TO 2020
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 63 316 PM 94 1896 65 -2 60
1979
MINIMUM 49 518 AM 34 1900 49 0 34
1902
2020
AVERAGE 56 57 -1 47
PRECIPITATION (IN)
YESTERDAY 0.34 1.43 1998 0.10 0.24 0.00
MONTH TO DATE 1.59 1.05 0.54 1.18
SINCE MAR 1 7.92 8.85 -0.93 9.11
SINCE JAN 1 12.99 15.45 -2.46 13.80
SNOWFALL (IN)
YESTERDAY 0.0 0.5 1977 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 T
SINCE MAR 1 0.2 10.6 -10.4 0.7
SINCE JUL 1 38.6 49.2 -10.6 15.8
DEGREE DAYS
HEATING
YESTERDAY 9 9 0 18
MONTH TO DATE 95 100 -5 126
SINCE MAR 1 1219 1424 -205 1445
SINCE JUL 1 4996 5362 -366 4828
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 0 2 -2 1
SINCE MAR 1 0 6 -6 1
SINCE JAN 1 0 6 -6 1
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SE (120)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 8.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 300 AM
LOWEST 49 500 PM
AVERAGE 68
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 91 1993
MINIMUM TEMPERATURE (F) 49 33 1900
SUNRISE AND SUNSET
MAY 11 2021...........SUNRISE 527 AM EDT SUNSET 755 PM EDT
MAY 12 2021...........SUNRISE 526 AM EDT SUNSET 756 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$