Climatological Report (Daily)
Issued by NWS

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
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.




$$