National Weather Service Text Product
AFOS product CLIBOS
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIBOS
Product Timestamp: 2021-05-10 05:32 UTC
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868
CDUS41 KBOX 100532
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
132 AM EDT MON MAY 10 2021
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR MAY 9 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 69 159 PM 95 1979 65 4 44
MINIMUM 49 451 AM 35 1977 48 1 36
AVERAGE 59 56 3 40
PRECIPITATION (IN)
YESTERDAY T 2.50 1954 0.10 -0.10 0.12
MONTH TO DATE 1.25 0.95 0.30 1.18
SINCE MAR 1 7.58 8.75 -1.17 9.11
SINCE JAN 1 12.65 15.35 -2.70 13.80
SNOWFALL (IN)
YESTERDAY 0.0 T 1977 0.0 0.0 T
2020
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 6 9 -3 25
MONTH TO DATE 86 91 -5 108
SINCE MAR 1 1210 1415 -205 1427
SINCE JUL 1 4987 5353 -366 4810
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 0 1 -1 1
SINCE MAR 1 0 5 -5 1
SINCE JAN 1 0 5 -5 1
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION W (260)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 12.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 66 400 AM
LOWEST 25 500 PM
AVERAGE 46
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 94 1896
1979
MINIMUM TEMPERATURE (F) 49 34 1900
1902
2020
SUNRISE AND SUNSET
MAY 10 2021...........SUNRISE 528 AM EDT SUNSET 754 PM EDT
MAY 11 2021...........SUNRISE 527 AM EDT SUNSET 755 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$