Climatological Report (Daily)
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000
CDUS46 KMTR 170829
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1229 AM PST TUE JAN 17 2017


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JANUARY 16 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         54    417 PM  73    2014  56     -2       61
  MINIMUM         44   1246 AM  31    1962  44      0       51
                                      1888
  AVERAGE         49                        50     -1       56

PRECIPITATION (IN)
  YESTERDAY        0.00          1.84 1973   0.13  -0.13     0.15
  MONTH TO DATE    5.91                      2.24   3.67     2.93
  SINCE OCT 1     14.86                      9.60   5.26     7.72
  SINCE JAN 1      5.91                      2.24   3.67     2.93

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       16                        15      1        9
  MONTH TO DATE  222                       240    -18      220
  SINCE DEC 1    659                       686    -27      663
  SINCE JUL 1   1073                      1250   -177     1020

 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   5   RESULTANT WIND DIRECTION  NE (60)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     E (70)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     E (70)
  AVERAGE WIND SPEED     7.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86           100 AM
 LOWEST     59           100 PM
 AVERAGE    73

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   56        70      1991
 MINIMUM TEMPERATURE (F)   44        32      1947
                                             1888


SUNRISE AND SUNSET
JANUARY 17 2017.......SUNRISE   722 AM PST   SUNSET   517 PM PST
JANUARY 18 2017.......SUNRISE   722 AM PST   SUNSET   519 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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