Climatological Report (Daily)
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000
CDUS46 KMTR 290845
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1245 AM PST MON DEC 29 2014


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 28 2014...

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)
 YESTERDAY
  MAXIMUM         57    358 PM  71    1967  56      1       63
  MINIMUM         43    741 AM  32    1966  44     -1       40
  AVERAGE         50                        50      0       52

PRECIPITATION (IN)
  YESTERDAY        0.00          1.46 1991   0.14  -0.14     0.00
  MONTH TO DATE   10.66                      3.61   7.05     0.35
  SINCE JUL 1     13.38                      7.15   6.23     1.49
  SINCE JAN 1     20.69                     20.23   0.46     3.38

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

DEGREE DAYS
 HEATING
  YESTERDAY       15                        15      0       13
  MONTH TO DATE  203                       400   -197      428
  SINCE DEC 1    203                       400   -197      428
  SINCE JUL 1    391                       964   -573      929

 COOLING
  YESTERDAY        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   2   RESULTANT WIND DIRECTION   W (250)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    SE (120)
  AVERAGE WIND SPEED     4.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93          1000 PM
 LOWEST     61           300 PM
 AVERAGE    77

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   56        68      2013
 MINIMUM TEMPERATURE (F)   44        33      1988
                                             1962


SUNRISE AND SUNSET
DECEMBER 29 2014......SUNRISE   724 AM PST   SUNSET   500 PM PST
DECEMBER 30 2014......SUNRISE   724 AM PST   SUNSET   500 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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