Climatological Report (Daily)
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000
CDUS46 KMTR 210834
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1234 AM PST TUE FEB 21 2017


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR FEBRUARY 20 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         60   1134 PM  71    1991  60      0       60
  MINIMUM         54    344 AM  37    2011  47      7       45
                                      1976
  AVERAGE         57                        54      3       53

PRECIPITATION (IN)
  YESTERDAY        2.16R         1.06 1980   0.15   2.01     0.00
  MONTH TO DATE    7.05                      2.94   4.11     0.85
  SINCE OCT 1     25.33                     14.49  10.84    11.22
  SINCE JAN 1     16.38                      7.13   9.25     6.43

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                        12     -4       12
  MONTH TO DATE  166                       250    -84      166
  SINCE DEC 1   1042                      1153   -111      982
  SINCE JUL 1   1456                      1717   -261     1339

 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  13   RESULTANT WIND DIRECTION   S (160)
  HIGHEST WIND SPEED    40   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    51   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED    16.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           300 AM
 LOWEST     72          1000 PM
 AVERAGE    83

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   60        72      1995
 MINIMUM TEMPERATURE (F)   47        34      1955
                                             1953


SUNRISE AND SUNSET
FEBRUARY 21 2017......SUNRISE   651 AM PST   SUNSET   556 PM PST
FEBRUARY 22 2017......SUNRISE   650 AM PST   SUNSET   557 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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