Climatological Report (Daily)
Issued by NWS

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360
CDUS46 KMTR 260835
CLISFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
135 AM PDT SAT SEP 26 2026

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 25 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   1:29 PM  96    2019  75     -4       73
  MINIMUM         58  11:59 PM  47    1948  56      2       60
                                      1972
  AVERAGE         65                        65      0       67

PRECIPITATION (IN)
  YESTERDAY        0.00          0.41 2014   0.00   0.00     0.00
  MONTH TO DATE    0.01                      0.04  -0.03     0.04
  SINCE OCT 1     19.63                     19.61   0.02    16.15
  SINCE JAN 1     10.78                     12.64  -1.86     7.59

SNOWFALL (IN)
  YESTERDAY       MM             0.0
  MONTH TO DATE    T
  SINCE SEP 1      T
  SINCE JUL 1      T

DEGREE DAYS
 HEATING
  YESTERDAY        0                         2     -2        0
  MONTH TO DATE   15                        34    -19        2
  SINCE SEP 1     15                        34    -19        2
  SINCE JUL 1     89                       136    -47       92

 COOLING
  YESTERDAY        0                         2     -2        2
  MONTH TO DATE   55                        50      5       69
  SINCE SEP 1     55                        50      5       69
  SINCE JAN 1    166                       160      6      119
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED  16   RESULTANT WIND DIRECTION   W (280)
  HIGHEST WIND SPEED    32   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    41   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED    15.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           3:00 AM
 LOWEST     57           4:00 PM
 AVERAGE    75

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   75        95      1958
 MINIMUM TEMPERATURE (F)   56        46      1948


SUNRISE AND SUNSET
SEPTEMBER 26 2026.....SUNRISE   7:01 AM PDT   SUNSET   7:00 PM PDT
SEPTEMBER 27 2026.....SUNRISE   7:02 AM PDT   SUNSET   6:58 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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