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Climatological Report (Daily)
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CDUS46 KMTR 220041
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
537 PM PDT MON OCT 21 2019


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR OCTOBER 21 2019...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1927 TO 2019


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         82R   323 PM  82    1965  70     12       68
                                      1964
  MINIMUM         53    349 AM  39    1949  53      0       49
  AVERAGE         68                        61      7       59

PRECIPITATION (IN)
  TODAY            0.00          0.13 1970   0.03  -0.03     0.00
  MONTH TO DATE    0.00                      0.49  -0.49     0.16
  SINCE OCT 1      0.00                      0.49  -0.49     0.16
  SINCE JAN 1     18.49                     13.78   4.71    10.97

SNOWFALL (IN)
  TODAY            0.0           0.0
  MONTH TO DATE    0.0
  SINCE SEP 1      0.0
  SINCE JUL 1      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY            0                         4     -4        6
  MONTH TO DATE   48                        69    -21       43
  SINCE SEP 1     64                       122    -58      129
  SINCE JUL 1     93                       235   -142      247

 COOLING
  TODAY            3                         0      3        0
  MONTH TO DATE   19                        20     -1       17
  SINCE SEP 1    135                        64     71       24
  SINCE JAN 1    352                       161    191       60
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION   W (270)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED     3.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    83           100 AM
 LOWEST     28           300 PM
 AVERAGE    56

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   69        85      1965
 MINIMUM TEMPERATURE (F)   53        42      1949


SUNRISE AND SUNSET
OCTOBER 21 2019.......SUNRISE   723 AM PDT   SUNSET   624 PM PDT
OCTOBER 22 2019.......SUNRISE   724 AM PDT   SUNSET   623 PM PDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$
National Weather Service National Headquarters
