Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 310836
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1236 AM PST SAT JAN 31 2015


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JANUARY 30 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1927 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         64    151 PM  71    1976  58      6       58
  MINIMUM         50    608 AM  30    1975  45      5       52
  AVERAGE         57                        51      6       55

PRECIPITATION (IN)
  YESTERDAY        0.00          1.91 1963   0.14  -0.14      T
  MONTH TO DATE    0.00                      4.05  -4.05     0.01
  SINCE JUL 1     13.38                     11.62   1.76     1.50
  SINCE JAN 1      0.00                      4.05  -4.05     0.01

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

DEGREE DAYS
 HEATING
  YESTERDAY        8                        14     -6       10
  MONTH TO DATE  334                       441   -107      288
  SINCE DEC 1    581                       887   -306      755
  SINCE JUL 1    769                      1451   -682     1256

 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   5   RESULTANT WIND DIRECTION   W (290)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED     5.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           100 AM
 LOWEST     72           200 PM
 AVERAGE    86

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   58        69      1976
 MINIMUM TEMPERATURE (F)   45        32      1951
                                             1950
                                             1946


SUNRISE AND SUNSET
JANUARY 31 2015.......SUNRISE   714 AM PST   SUNSET   532 PM PST
FEBRUARY  1 2015......SUNRISE   713 AM PST   SUNSET   533 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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