National Weather Service Text Product
AFOS product CLIBOS
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIBOS
Product Timestamp: 2023-09-21 05:30 UTC
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404
CDUS41 KBOX 210530
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
130 AM EDT THU SEP 21 2023
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 20 2023...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 74 400 PM 97 1983 72 2 62
MINIMUM 59 634 AM 42 1929 57 2 58
1964
1979
AVERAGE 67 64 3 60
PRECIPITATION (IN)
YESTERDAY 0.00 2.82 1899 0.13 -0.13 0.01
MONTH TO DATE 2.98 2.28 0.70 1.56
SINCE SEP 1 2.98 2.28 0.70 1.56
SINCE JAN 1 39.54 30.32 9.22 19.49
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 0.0
DEGREE DAYS
HEATING
YESTERDAY 0 3 -3 5
MONTH TO DATE 2 28 -26 15
SINCE SEP 1 2 28 -26 15
SINCE JUL 1 2 37 -35 15
COOLING
YESTERDAY 2 2 0 0
MONTH TO DATE 136 76 60 67
SINCE SEP 1 136 76 60 67
SINCE JAN 1 834 776 58 1017
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION W (280)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 9.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 300 AM
LOWEST 43 300 PM
AVERAGE 61
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 94 1895
MINIMUM TEMPERATURE (F) 56 40 1904
1929
SUNRISE AND SUNSET
SEPTEMBER 21 2023.....SUNRISE 630 AM EDT SUNSET 644 PM EDT
SEPTEMBER 22 2023.....SUNRISE 631 AM EDT SUNSET 642 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$