National Weather Service Text Product
AFOS product CLIBOS
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIBOS
Product Timestamp: 2021-09-13 06:13 UTC
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725
CDUS41 KBOX 130613
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
213 AM EDT MON SEP 13 2021
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 12 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 83 358 PM 93 1961 75 8 67
MINIMUM 65 1258 AM 43 1875 60 5 53
AVERAGE 74 67 7 60
PRECIPITATION (IN)
YESTERDAY 0.00 2.95 1960 0.11 -0.11 0.00
MONTH TO DATE 5.43 1.28 4.15 0.46
SINCE SEP 1 5.43 1.28 4.15 0.46
SINCE JAN 1 41.39 29.32 12.07 22.18
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 SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 T
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 5
MONTH TO DATE 0 10 -10 5
SINCE SEP 1 0 10 -10 5
SINCE JUL 1 9 19 -10 7
COOLING
YESTERDAY 9 3 6 0
MONTH TO DATE 78 55 23 61
SINCE SEP 1 78 55 23 61
SINCE JAN 1 1054 755 299 888
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 15 RESULTANT WIND DIRECTION SW (230)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 15.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 100 AM
LOWEST 53 1200 PM
AVERAGE 67
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 93 1957
MINIMUM TEMPERATURE (F) 59 45 1911
1985
SUNRISE AND SUNSET
SEPTEMBER 13 2021.....SUNRISE 622 AM EDT SUNSET 657 PM EDT
SEPTEMBER 14 2021.....SUNRISE 623 AM EDT SUNSET 655 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$