Climatological Report (Daily)
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000
CDUS46 KMTR 240826
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
126 AM PDT SUN SEP 24 2017


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 23 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         77    233 PM  92    1978  74      3       73
  MINIMUM         54    518 AM  45    1972  55     -1       52
  AVERAGE         66                        64      2       63

PRECIPITATION (IN)
  YESTERDAY        0.00          0.31 1982   0.00   0.00     0.00
  MONTH TO DATE    0.22                      0.10   0.12     0.00
  SINCE OCT 1     31.14                     20.58  10.56    17.23
  SINCE JAN 1     22.19                     13.22   8.97    12.44

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        0                         2     -2        2
  MONTH TO DATE    5                        46    -41       46
  SINCE SEP 1      5                        46    -41       46
  SINCE JUL 1     65                       159    -94      149

 COOLING
  YESTERDAY        1                         1      0        0
  MONTH TO DATE  129                        38     91       28
  SINCE SEP 1    129                        38     91       28
  SINCE JAN 1    261                       135    126       93
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION   W (280)
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED     9.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    77           500 AM
 LOWEST     19           200 PM
 AVERAGE    48

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        93      1978
 MINIMUM TEMPERATURE (F)   55        48      1955
                                             1945


SUNRISE AND SUNSET
SEPTEMBER 24 2017.....SUNRISE   659 AM PDT   SUNSET   703 PM PDT
SEPTEMBER 25 2017.....SUNRISE   700 AM PDT   SUNSET   701 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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