Climatological Report (Daily)
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809
CDUS46 KMTR 080834
CLISFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
134 AM PDT TUE SEP 08 2026

...................................

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 7 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         83   2:14 PM  97    2020  75      8       76
  MINIMUM         56   6:15 AM  50    1960  56      0       62
  AVERAGE         70                        66      4       69

PRECIPITATION (IN)
  YESTERDAY        0.00          T    1966   0.00   0.00     0.00
                                      1979
                                      1980
  MONTH TO DATE    0.01                      0.01   0.00     0.00
  SINCE OCT 1     19.63                     19.58   0.05    16.11
  SINCE JAN 1     10.78                     12.61  -1.83     7.55

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                         9     -9        1
  SINCE SEP 1      0                         9     -9        1
  SINCE JUL 1     74                       111    -37       91

 COOLING
  YESTERDAY        5                         2      3        4
  MONTH TO DATE   12                        14     -2       13
  SINCE SEP 1     12                        14     -2       13
  SINCE JAN 1    123                       124     -1       63
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION   W (290)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED     6.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           3:00 AM
 LOWEST     36           2:00 PM
 AVERAGE    62

..........................................................


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   75       100      1984
 MINIMUM TEMPERATURE (F)   56        48      1946


SUNRISE AND SUNSET
SEPTEMBER  8 2026.....SUNRISE   6:46 AM PDT   SUNSET   7:28 PM PDT
SEPTEMBER  9 2026.....SUNRISE   6:47 AM PDT   SUNSET   7:26 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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