Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 150038
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
437 PM PST THU DEC 14 2017


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 14 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1927 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         64    359 PM  69    1958  57      7       62
  MINIMUM         43    517 AM  30    1972  45     -2       52
  AVERAGE         54                        51      3       57

PRECIPITATION (IN)
  TODAY            0.00          0.88 2002   0.13  -0.13      T
  MONTH TO DATE    0.03                      1.62  -1.59     2.49
  SINCE OCT 1      3.01                      4.95  -1.94     6.81
  SINCE JAN 1     25.20                     18.24   6.96    19.25

SNOWFALL (IN)
  TODAY            0.0           0.0
  MONTH TO DATE    0.0
  SINCE DEC 1      0.0
  SINCE JUL 1      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY           11                        14     -3        8
  MONTH TO DATE  160                       190    -30      162
  SINCE DEC 1    160                       190    -30      162
  SINCE JUL 1    499                       754   -255      576

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    346                       164    182      142
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   0   RESULTANT WIND DIRECTION  NW (330)
  HIGHEST WIND SPEED     7   HIGHEST WIND DIRECTION     N (340)
  HIGHEST GUST SPEED     7   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     1.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           800 AM
 LOWEST     56           300 PM
 AVERAGE    75

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   56        71      1980
 MINIMUM TEMPERATURE (F)   45        31      1967


SUNRISE AND SUNSET
DECEMBER 14 2017......SUNRISE   717 AM PST   SUNSET   452 PM PST
DECEMBER 15 2017......SUNRISE   717 AM PST   SUNSET   452 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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