Climatological Report (Daily)
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000
CDUS46 KMTR 110837
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1237 AM PST SUN DEC 11 2016


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 10 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1927 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         61    145 PM  70    1958  57      4       61
  MINIMUM         52   1159 PM  29    1972  45      7       51
  AVERAGE         57                        51      6       56

PRECIPITATION (IN)
  YESTERDAY        0.64          1.48 1996   0.11   0.53     0.47
  MONTH TO DATE    2.44                      1.13   1.31     0.68
  SINCE OCT 1      6.76                      4.46   2.30     2.10
  SINCE JAN 1     19.20                     17.75   1.45     5.75

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        8                        14     -6        9
  MONTH TO DATE  115                       134    -19      109
  SINCE DEC 1    115                       134    -19      109
  SINCE JUL 1    529                       698   -169      466

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    142                       164    -22      327
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION  SW (230)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED     9.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           300 AM
 LOWEST     77           900 PM
 AVERAGE    85

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   57        74      1958
 MINIMUM TEMPERATURE (F)   45        26      1972


SUNRISE AND SUNSET
DECEMBER 11 2016......SUNRISE   715 AM PST   SUNSET   451 PM PST
DECEMBER 12 2016......SUNRISE   716 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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