Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 190045
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
445 PM PST WED JAN 18 2017


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JANUARY 18 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         52    359 PM  68    1948  56     -4       61
  MINIMUM         49    712 AM  30    1947  44      5       53
  AVERAGE         51                        50      1       57

PRECIPITATION (IN)
  TODAY            0.47          1.82 1969   0.13   0.34     0.30
  MONTH TO DATE    6.38                      2.51   3.87     3.90
  SINCE OCT 1     15.33                      9.87   5.46     8.69
  SINCE JAN 1      6.38                      2.51   3.87     3.90

SNOWFALL (IN)
  TODAY           MM             0.0
  MONTH TO DATE    0.0
  SINCE DEC 1      0.0
  SINCE JUL 1      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY           14                        15     -1        8
  MONTH TO DATE  254                       270    -16      236
  SINCE DEC 1    691                       716    -25      679
  SINCE JUL 1   1105                      1280   -175     1036

 COOLING
  TODAY            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   7   RESULTANT WIND DIRECTION  SE (130)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION    SE (130)
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION    SE (150)
  AVERAGE WIND SPEED    10.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           200 PM
 LOWEST     77          1200 PM
 AVERAGE    83

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   56        68      1976
 MINIMUM TEMPERATURE (F)   44        35      1980


SUNRISE AND SUNSET
JANUARY 18 2017.......SUNRISE   722 AM PST   SUNSET   519 PM PST
JANUARY 19 2017.......SUNRISE   722 AM PST   SUNSET   520 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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