Climatological Report (Daily)
Issued by NWS
Issued by NWS
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003
CDUS46 KMTR 130832
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
132 AM PDT SUN SEP 13 2026
...................................
...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 12 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1927 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 71 12:52 PM 100 1979 75 -4 71
MINIMUM 60 6:19 AM 47 1946 56 4 61
1970
AVERAGE 66 66 0 66
PRECIPITATION (IN)
YESTERDAY 0.00 0.07 1963 0.00 0.00 0.00
MONTH TO DATE 0.01 0.01 0.00 0.02
SINCE OCT 1 19.63 19.58 0.05 16.13
SINCE JAN 1 10.78 12.61 -1.83 7.57
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE SEP 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 0 14 -14 1
SINCE SEP 1 0 14 -14 1
SINCE JUL 1 74 116 -42 91
COOLING
YESTERDAY 1 2 -1 1
MONTH TO DATE 47 24 23 27
SINCE SEP 1 47 24 23 27
SINCE JAN 1 158 134 24 77
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 16 RESULTANT WIND DIRECTION W (270)
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 16.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 11:00 PM
LOWEST 51 12:00 PM
AVERAGE 67
..........................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 101 1971
MINIMUM TEMPERATURE (F) 56 47 1947
SUNRISE AND SUNSET
SEPTEMBER 13 2026.....SUNRISE 6:50 AM PDT SUNSET 7:20 PM PDT
SEPTEMBER 14 2026.....SUNRISE 6:51 AM PDT SUNSET 7:19 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$