497
CDUS46 KMTR 100828
CLISFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
128 AM PDT WED SEP 10 2025
...............................
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR SEPTEMBER 9 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1850 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
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TEMPERATURE (F)
YESTERDAY
MAXIMUM 72 10:43 AM 100 1932 70 2 64
MINIMUM 63 11:43 PM 50 1946 56 7 55
AVERAGE 68 63 5 60
PRECIPITATION (IN)
YESTERDAY 0.01 0.23 1985 0.00 0.01 0.00
MONTH TO DATE 0.04 0.01 0.03 0.00
SINCE OCT 1 19.92 22.80 -2.88 25.76
SINCE JAN 1 9.72 14.50 -4.78 19.08
DEGREE DAYS
HEATING
YESTERDAY 0 3 -3 5
MONTH TO DATE 9 29 -20 22
SINCE SEP 1 9 29 -20 22
SINCE JUL 1 254 299 -45 210
COOLING
YESTERDAY 3 1 2 0
MONTH TO DATE 7 9 -2 6
SINCE SEP 1 7 9 -2 6
SINCE JAN 1 26 59 -33 34
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THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 92 1914
MINIMUM TEMPERATURE (F) 56 50 1887
SUNRISE AND SUNSET
SEPTEMBER 10 2025.....SUNRISE 6:48 AM PDT SUNSET 7:25 PM PDT
SEPTEMBER 11 2025.....SUNRISE 6:49 AM PDT SUNSET 7:23 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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