Climatological Report (Daily)
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686
CDUS46 KMTR 160842
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1242 AM PST MON JAN 16 2017


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JANUARY 15 2017...

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)
 YESTERDAY
  MAXIMUM         52    414 PM  73    2014  56     -4       57
  MINIMUM         41    422 AM  31    1963  44     -3       50
  AVERAGE         47                        50     -3       54

PRECIPITATION (IN)
  YESTERDAY        0.00          1.03 1956   0.14  -0.14     0.21
  MONTH TO DATE    5.91                      2.11   3.80     2.78
  SINCE OCT 1     14.86                      9.47   5.39     7.57
  SINCE JAN 1      5.91                      2.11   3.80     2.78

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       18                        15      3       11
  MONTH TO DATE  206                       225    -19      211
  SINCE DEC 1    643                       671    -28      654
  SINCE JUL 1   1057                      1235   -178     1011

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION   N (10)
  HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION     N (360)
  HIGHEST GUST SPEED    10   HIGHEST GUST DIRECTION    NE (30)
  AVERAGE WIND SPEED     2.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           400 AM
 LOWEST     68           100 PM
 AVERAGE    82

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   56        73      2014
 MINIMUM TEMPERATURE (F)   44        31      1962
                                             1888


SUNRISE AND SUNSET
JANUARY 16 2017.......SUNRISE   723 AM PST   SUNSET   516 PM PST
JANUARY 17 2017.......SUNRISE   722 AM PST   SUNSET   517 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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