018
CDUS41 KBOX 212121
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
521 PM EDT THU SEP 21 2023
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 21 2023
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 69 258 PM 94 1895 71 -2 69
MINIMUM 57 616 AM 40 1904 56 1 57
1929
AVERAGE 63 64 -1 63
PRECIPITATION (IN)
TODAY 0.00 2.77 1961 0.13 -0.13 T
MONTH TO DATE 2.98 2.41 0.57 1.56
SINCE SEP 1 2.98 2.41 0.57 1.56
SINCE JAN 1 39.54 30.45 9.09 19.49
SNOWFALL (IN)
TODAY 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
TODAY 2 3 -1 2
MONTH TO DATE 4 31 -27 17
SINCE SEP 1 4 31 -27 17
SINCE JUL 1 4 40 -36 17
COOLING
TODAY 0 2 -2 0
MONTH TO DATE 136 78 58 67
SINCE SEP 1 136 78 58 67
SINCE JAN 1 834 778 56 1017
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 7.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 75 300 AM
LOWEST 54 1100 AM
AVERAGE 65
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 94 1895
MINIMUM TEMPERATURE (F) 56 35 1904
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.
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