Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 240825
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1225 AM PST TUE JAN 24 2017


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JANUARY 23 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    232 PM  71    1948  57     -3       58
  MINIMUM         45   1159 PM  31    1949  45      0       51
  AVERAGE         50                        51     -1       55

PRECIPITATION (IN)
  YESTERDAY        0.32          1.30 2000   0.13   0.19     0.06
  MONTH TO DATE    9.33                      3.13   6.20     5.51
  SINCE OCT 1     18.28                     10.49   7.79    10.30
  SINCE JAN 1      9.33                      3.13   6.20     5.51

SNOWFALL (IN)
  YESTERDAY       MM             0.0
  MONTH TO DATE    0.0
  SINCE DEC 1      0.0
  SINCE JUL 1      0.0

DEGREE DAYS
 HEATING
  YESTERDAY       15                        14      1       10
  MONTH TO DATE  319                       343    -24      283
  SINCE DEC 1    756                       789    -33      726
  SINCE JUL 1   1170                      1353   -183     1083

 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   3   RESULTANT WIND DIRECTION   S (180)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED     5.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  RAIN
  LIGHT RAIN
  HAIL


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86           700 AM
 LOWEST     59           400 PM
 AVERAGE    73

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


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


SUNRISE AND SUNSET
JANUARY 24 2017.......SUNRISE   719 AM PST   SUNSET   525 PM PST
JANUARY 25 2017.......SUNRISE   718 AM PST   SUNSET   526 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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