Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 170830
CLISFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
130 AM PDT THU SEP 17 2026
...................................
...THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR SEPTEMBER 16 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 63 2:43 PM 101 1913 70 -7 71
MINIMUM 57 7:43 AM 50 1898 56 1 58
AVERAGE 60 63 -3 65
PRECIPITATION (IN)
YESTERDAY 0.00 0.50 1989 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 5 3 2 0
MONTH TO DATE 21 50 -29 16
SINCE SEP 1 21 50 -29 16
SINCE JUL 1 226 320 -94 261
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 32 16 16 14
SINCE SEP 1 32 16 16 14
SINCE JAN 1 107 66 41 33
...................................................................
THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 93 1984
MINIMUM TEMPERATURE (F) 56 50 1898
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.
$$