Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 200041
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
439 PM PST FRI JAN 19 2018


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JANUARY 19 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         57    108 PM  68    1976  56      1       58
  MINIMUM         48    755 AM  35    1980  44      4       51
  AVERAGE         53                        50      3       55

PRECIPITATION (IN)
  TODAY            T             1.52 2010   0.12  -0.12     0.05
  MONTH TO DATE    4.21                      2.63   1.58     6.86
  SINCE OCT 1      7.26                      9.99  -2.73    15.81
  SINCE JAN 1      4.21                      2.63   1.58     6.86

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           12                        15     -3       10
  MONTH TO DATE  202                       285    -83      263
  SINCE DEC 1    601                       731   -130      700
  SINCE JUL 1    940                      1295   -355     1114

 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   4   RESULTANT WIND DIRECTION   W (280)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED     6.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    83           100 AM
 LOWEST     54           200 PM
 AVERAGE    69

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   57        67      1976
 MINIMUM TEMPERATURE (F)   44        30      1963


SUNRISE AND SUNSET
JANUARY 19 2018.......SUNRISE   722 AM PST   SUNSET   519 PM PST
JANUARY 20 2018.......SUNRISE   721 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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