Climatological Report (Daily)
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CDUS46 KMTR 260045
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
445 PM PST THU DEC 25 2014


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 25 2014...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1927 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         58    359 PM  68    1967  56      2       63
  MINIMUM         46    710 AM  31    1990  44      2       42
                                      1962
  AVERAGE         52                        50      2       53

PRECIPITATION (IN)
  TODAY            0.00          1.23 1968   0.15  -0.15     0.00
  MONTH TO DATE   10.66                      3.19   7.47     0.35
  SINCE JUL 1     13.38                      6.73   6.65     1.49
  SINCE JAN 1     20.69                     19.81   0.88     3.38

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

DEGREE DAYS
 HEATING
  TODAY           13                        15     -2       12
  MONTH TO DATE  159                       355   -196      388
  SINCE DEC 1    159                       355   -196      388
  SINCE JUL 1    347                       919   -572      889

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    497                       164    333      164
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  13   RESULTANT WIND DIRECTION  NW (330)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED    13.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    71          1200 AM
 LOWEST     40           100 PM
 AVERAGE    56

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   56        72      1967
 MINIMUM TEMPERATURE (F)   44        32      1954


SUNRISE AND SUNSET
DECEMBER 25 2014......SUNRISE   723 AM PST   SUNSET   457 PM PST
DECEMBER 26 2014......SUNRISE   723 AM PST   SUNSET   458 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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