Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 180833
CLISFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
133 AM PDT FRI SEP 18 2026
...................................
...THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR SEPTEMBER 17 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1850 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 70 2:43 PM 93 1984 70 0 73
MINIMUM 59 11:43 PM 50 1898 56 3 56
AVERAGE 65 63 2 65
PRECIPITATION (IN)
YESTERDAY 0.00 0.20 1921 0.00 0.00 0.00
MONTH TO DATE 0.03 0.03 0.00 0.08
SINCE OCT 1 20.76 22.82 -2.06 19.96
SINCE JAN 1 11.83 14.52 -2.69 9.76
DEGREE DAYS
HEATING
YESTERDAY 0 3 -3 0
MONTH TO DATE 21 53 -32 16
SINCE SEP 1 21 53 -32 16
SINCE JUL 1 226 323 -97 261
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 32 17 15 14
SINCE SEP 1 32 17 15 14
SINCE JAN 1 107 67 40 33
...................................................................
THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 94 1912
MINIMUM TEMPERATURE (F) 56 49 1899
SUNRISE AND SUNSET
SEPTEMBER 18 2026.....SUNRISE 6:54 AM PDT SUNSET 7:13 PM PDT
SEPTEMBER 19 2026.....SUNRISE 6:55 AM PDT SUNSET 7:11 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$