Climatological Report (Daily)
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CDUS46 KMTR 200825
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1225 AM PST MON FEB 20 2017


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR FEBRUARY 19 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         58    429 PM  72    1964  60     -2       62
  MINIMUM         50    809 AM  36    1990  47      3       48
                                      1954
  AVERAGE         54                        53      1       55

PRECIPITATION (IN)
  YESTERDAY        0.09          1.36 1980   0.15  -0.06     0.05
  MONTH TO DATE    4.89                      2.79   2.10     0.85
  SINCE OCT 1     23.17                     14.34   8.83    11.22
  SINCE JAN 1     14.22                      6.98   7.24     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       11                        12     -1       10
  MONTH TO DATE  158                       238    -80      154
  SINCE DEC 1   1034                      1141   -107      970
  SINCE JUL 1   1448                      1705   -257     1327

 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  11   RESULTANT WIND DIRECTION  SE (140)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION    SE (150)
  AVERAGE WIND SPEED    12.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    80           400 AM
 LOWEST     63          1200 AM
 AVERAGE    72

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   60        71      1991
 MINIMUM TEMPERATURE (F)   47        37      2011
                                             1976


SUNRISE AND SUNSET
FEBRUARY 20 2017......SUNRISE   652 AM PST   SUNSET   555 PM PST
FEBRUARY 21 2017......SUNRISE   651 AM PST   SUNSET   556 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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