Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 180034
CLISFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
534 PM PDT THU SEP 17 2026
...................................
...THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR SEPTEMBER 17 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 70 2:43 PM 93 1984 70 0 73
MINIMUM 61 12:43 AM 50 1898 56 5 56
AVERAGE 66 63 3 65
PRECIPITATION (IN)
TODAY 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
TODAY 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
TODAY 1 1 0 0
MONTH TO DATE 33 17 16 14
SINCE SEP 1 33 17 16 14
SINCE JAN 1 108 67 41 33
...................................................................
THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 94 1912
MINIMUM TEMPERATURE (F) 56 49 1899
SUNRISE AND SUNSET
SEPTEMBER 17 2026.....SUNRISE 6:53 AM PDT SUNSET 7:14 PM PDT
SEPTEMBER 18 2026.....SUNRISE 6:54 AM PDT SUNSET 7:13 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$