Climatological Report (Daily)
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252
CDUS46 KMTR 030837
CLISFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1237 AM PST SAT JAN 03 2026

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JANUARY 2 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         62   4:07 PM  69    1996  57      5       60
  MINIMUM         54   5:53 AM  29    1960  44     10       47
  AVERAGE         58                        51      7       54

PRECIPITATION (IN)
  YESTERDAY        0.11          1.67 1977   0.12  -0.01     0.00
  MONTH TO DATE    0.84                      0.25   0.59     0.00
  SINCE OCT 1      9.69                      7.22   2.47     8.56
  SINCE JAN 1      0.84                      0.25   0.59     0.00

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

DEGREE DAYS
 HEATING
  YESTERDAY        7                        14     -7       11
  MONTH TO DATE   16                        28    -12       27
  SINCE DEC 1    395                       450    -55      337
  SINCE JUL 1    746                       958   -212      878

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED  10   RESULTANT WIND DIRECTION  SE (140)
  HIGHEST WIND SPEED    31   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    42   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED    12.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96          12:00 AM
 LOWEST     62           4:00 PM
 AVERAGE    79

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   57        69      2000
 MINIMUM TEMPERATURE (F)   44        31      1950


SUNRISE AND SUNSET
JANUARY  3 2026.......SUNRISE   7:25 AM PST   SUNSET   5:04 PM PST
JANUARY  4 2026.......SUNRISE   7:25 AM PST   SUNSET   5:05 PM PST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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