National Weather Service Text Product
AFOS product CLIBOS
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIBOS
Product Timestamp: 2021-08-18 05:38 UTC
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575
CDUS41 KBOX 180538
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
138 AM EDT WED AUG 18 2021
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR AUGUST 17 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 85 112 PM 97 1944 81 4 71
MINIMUM 67 520 AM 51 1934 65 2 62
AVERAGE 76 73 3 67
PRECIPITATION (IN)
YESTERDAY 0.00 1.92 1909 0.10 -0.10 0.08
MONTH TO DATE 3.19 1.85 1.34 0.48
SINCE JUN 1 15.83 9.01 6.82 5.09
SINCE JAN 1 32.15 26.66 5.49 19.92
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 JUN 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 12 54 -42 38
SINCE JUL 1 9 4 5 0
COOLING
YESTERDAY 11 8 3 2
MONTH TO DATE 192 147 45 189
SINCE JUN 1 728 569 159 691
SINCE JAN 1 792 602 190 725
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 9.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 400 AM
LOWEST 47 1000 AM
AVERAGE 67
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 95 2002
2009
MINIMUM TEMPERATURE (F) 65 53 1918
SUNRISE AND SUNSET
AUGUST 18 2021........SUNRISE 555 AM EDT SUNSET 740 PM EDT
AUGUST 19 2021........SUNRISE 556 AM EDT SUNSET 739 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$