Climatological Report (Daily)
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CDUS46 KMTR 040835
CLISFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1235 AM PST FRI DEC 04 2020

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 3 2020...

CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1927 TO 2020


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         61   4:54 PM  73    1958  58      3       61
  MINIMUM         47   6:21 AM  38    1956  46      1       50
                                      1968
                                      1976
  AVERAGE         54                        52      2       56

PRECIPITATION (IN)
  YESTERDAY        0.00          1.89 2014   0.11  -0.11     0.09
  MONTH TO DATE    0.00                      0.32  -0.32     0.54
  SINCE OCT 1      0.31                      3.65  -3.34     1.83
  SINCE JAN 1      4.47                     16.94 -12.47    20.32

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

DEGREE DAYS
 HEATING
  YESTERDAY       11                        13     -2        9
  MONTH TO DATE   33                        39     -6       26
  SINCE DEC 1     33                        39     -6       26
  SINCE JUL 1    431                       603   -172      395

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    399                       164    235      384
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION   W (290)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED     3.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86           3:00 AM
 LOWEST     42           5:00 PM
 AVERAGE    64

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   58        75      1958
 MINIMUM TEMPERATURE (F)   46        36      2004


SUNRISE AND SUNSET
DECEMBER  4 2020......SUNRISE   7:09 AM PST   SUNSET   4:51 PM PST
DECEMBER  5 2020......SUNRISE   7:10 AM PST   SUNSET   4:51 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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