National Weather Service Text Product
AFOS product CLIBOS
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIBOS
Product Timestamp: 2021-10-18 05:39 UTC
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078
CDUS41 KBOX 180539
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
139 AM EDT MON OCT 18 2021
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR OCTOBER 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 65 227 PM 89 1947 62 3 58
MINIMUM 52 1159 PM 27 1886 47 5 42
AVERAGE 59 54 5 50
PRECIPITATION (IN)
YESTERDAY 0.31 1.18 1989 0.13 0.18 1.16
MONTH TO DATE 1.84 2.18 -0.34 3.47
SINCE SEP 1 9.31 5.74 3.57 4.44
SINCE JAN 1 45.27 33.78 11.49 26.16
SNOWFALL (IN)
YESTERDAY 0.0 T 1970 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 T
DEGREE DAYS
HEATING
YESTERDAY 6 11 -5 15
MONTH TO DATE 30 141 -111 115
SINCE SEP 1 42 212 -170 185
SINCE JUL 1 51 221 -170 187
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 12 6 6 3
SINCE SEP 1 168 97 71 97
SINCE JAN 1 1144 797 347 924
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION W (290)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 12.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 200 AM
LOWEST 41 200 PM
AVERAGE 67
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 61 82 1947
MINIMUM TEMPERATURE (F) 47 31 1883
1939
SUNRISE AND SUNSET
OCTOBER 18 2021.......SUNRISE 701 AM EDT SUNSET 557 PM EDT
OCTOBER 19 2021.......SUNRISE 702 AM EDT SUNSET 555 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$