445
CDUS46 KMTR 190837
CLISFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
137 AM PDT TUE SEP 19 2023
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..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR SEPTEMBER 18 2023
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1850 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
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TEMPERATURE (F)
YESTERDAY
MAXIMUM 68 4:43 PM 94 1912 70 -2 66
MINIMUM 59 11:43 PM 49 1899 56 3 59
AVERAGE 64 63 1 63
PRECIPITATION (IN)
YESTERDAY 0.00 2.01 1959 0.00 0.00 0.33
MONTH TO DATE 0.02 0.03 -0.01 0.33
SINCE OCT 1 33.78 22.82 10.96 19.11
SINCE JAN 1 20.82 14.52 6.30 2.88
DEGREE DAYS
HEATING
YESTERDAY 1 3 -2 2
MONTH TO DATE 37 56 -19 29
SINCE SEP 1 37 56 -19 29
SINCE JUL 1 241 326 -85 244
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 1 18 -17 50
SINCE SEP 1 1 18 -17 50
SINCE JAN 1 40 68 -28 85
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THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 93 1919
MINIMUM TEMPERATURE (F) 56 49 1911
SUNRISE AND SUNSET
SEPTEMBER 19 2023.....SUNRISE 6:55 AM PDT SUNSET 7:11 PM PDT
SEPTEMBER 20 2023.....SUNRISE 6:56 AM PDT SUNSET 7:10 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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