Climatological Report (Daily)
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000
CDUS46 KMTR 220827
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
127 AM PDT SUN OCT 22 2017


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR OCTOBER 21 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         68    251 PM  82    1965  70     -2       73
  MINIMUM         51    633 AM  39    1949  53     -2       57
  AVERAGE         60                        61     -1       65

PRECIPITATION (IN)
  YESTERDAY        0.00          0.13 1970   0.03  -0.03     0.00
  MONTH TO DATE    0.21                      0.49  -0.28     1.30
  SINCE OCT 1      0.21                      0.49  -0.28     1.30
  SINCE JAN 1     22.40                     13.78   8.62    13.74

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

DEGREE DAYS
 HEATING
  YESTERDAY        5                         4      1        0
  MONTH TO DATE   43                        69    -26       38
  SINCE SEP 1     50                       122    -72       98
  SINCE JUL 1    110                       235   -125      201

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE   18                        20     -2       13
  SINCE SEP 1    177                        64    113       73
  SINCE JAN 1    309                       161    148      138
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION   W (290)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED     9.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86          1100 PM
 LOWEST     40           100 PM
 AVERAGE    63

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


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


SUNRISE AND SUNSET
OCTOBER 22 2017.......SUNRISE   725 AM PDT   SUNSET   622 PM PDT
OCTOBER 23 2017.......SUNRISE   726 AM PDT   SUNSET   621 PM PDT


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




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