Climatological Report (Daily)
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000
CDUS46 KMTR 190826
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1226 AM PST SUN FEB 19 2017


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR FEBRUARY 18 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         57   1102 AM  71    1977  60     -3       61
  MINIMUM         50    930 PM  33    1956  47      3       50
  AVERAGE         54                        53      1       56

PRECIPITATION (IN)
  YESTERDAY        0.19          1.75 1958   0.14   0.05     0.17
  MONTH TO DATE    4.80                      2.64   2.16     0.80
  SINCE OCT 1     23.08                     14.19   8.89    11.17
  SINCE JAN 1     14.13                      6.83   7.30     6.38

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        9
  MONTH TO DATE  147                       226    -79      144
  SINCE DEC 1   1023                      1129   -106      960
  SINCE JUL 1   1437                      1693   -256     1317

 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  16   RESULTANT WIND DIRECTION   W (280)
  HIGHEST WIND SPEED    35   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    43   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED    17.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    83          1200 AM
 LOWEST     59           500 PM
 AVERAGE    71

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   60        72      1964
 MINIMUM TEMPERATURE (F)   47        36      1990
                                             1954


SUNRISE AND SUNSET
FEBRUARY 19 2017......SUNRISE   654 AM PST   SUNSET   553 PM PST
FEBRUARY 20 2017......SUNRISE   652 AM PST   SUNSET   555 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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