Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 210027
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
427 PM PST SAT JAN 20 2018


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JANUARY 20 2018...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1927 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         56    320 PM  67    1976  57     -1       56
  MINIMUM         44    327 AM  30    1963  44      0       43
  AVERAGE         50                        50      0       50

PRECIPITATION (IN)
  TODAY            0.00          2.49 1964   0.12  -0.12     1.19
  MONTH TO DATE    4.21                      2.75   1.46     8.05
  SINCE OCT 1      7.26                     10.11  -2.85    17.00
  SINCE JAN 1      4.21                      2.75   1.46     8.05

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

DEGREE DAYS
 HEATING
  TODAY           15                        15      0       15
  MONTH TO DATE  218                       300    -82      278
  SINCE DEC 1    617                       746   -129      715
  SINCE JUL 1    956                      1310   -354     1129

 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   6   RESULTANT WIND DIRECTION  NW (310)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED     7.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    76           100 AM
 LOWEST     51           200 PM
 AVERAGE    64

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   57        68      2014
 MINIMUM TEMPERATURE (F)   44        30      1962
                                             1937


SUNRISE AND SUNSET
JANUARY 20 2018.......SUNRISE   721 AM PST   SUNSET   520 PM PST
JANUARY 21 2018.......SUNRISE   721 AM PST   SUNSET   521 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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