Climatological Report (Daily)
Issued by NWS

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409
CDUS46 KMTR 240028
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
428 PM PST TUE JAN 23 2018


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JANUARY 23 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    359 PM  71    1948  57      0       54
  MINIMUM         45    559 AM  31    1949  45      0       45
  AVERAGE         51                        51      0       50

PRECIPITATION (IN)
  TODAY            0.00          1.30 2000   0.13  -0.13     0.32
  MONTH TO DATE    4.46                      3.13   1.33     9.33
  SINCE OCT 1      7.51                     10.49  -2.98    18.28
  SINCE JAN 1      4.46                      3.13   1.33     9.33

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           14                        14      0       15
  MONTH TO DATE  257                       343    -86      319
  SINCE DEC 1    656                       789   -133      756
  SINCE JUL 1    995                      1353   -358     1170

 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   E (70)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION    NE (50)
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION    NE (50)
  AVERAGE WIND SPEED     5.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           600 AM
 LOWEST     71          1100 AM
 AVERAGE    82

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   57        72      1948
 MINIMUM TEMPERATURE (F)   45        31      1962


SUNRISE AND SUNSET
JANUARY 23 2018.......SUNRISE   720 AM PST   SUNSET   524 PM PST
JANUARY 24 2018.......SUNRISE   719 AM PST   SUNSET   525 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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