Climatological Report (Daily)
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735
CDUS46 KMTR 180033
CLISFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
533 PM PDT TUE SEP 17 2024

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 17 2024...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1927 TO 2024


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         65  12:43 PM  94    1984  75    -10       75
  MINIMUM         54   2:25 AM  50    1945  56     -2       61
                                      1946
                                      1988
  AVERAGE         60                        65     -5       68

PRECIPITATION (IN)
  TODAY            0.00          0.28 1982   0.00   0.00     0.00
  MONTH TO DATE    0.00                      0.02  -0.02      T
  SINCE OCT 1     20.23                     19.59   0.64    31.42
  SINCE JAN 1     14.90                     12.62   2.28    20.17

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

DEGREE DAYS
 HEATING
  TODAY            5                         1      4        0
  MONTH TO DATE   47                        19     28        0
  SINCE SEP 1     47                        19     28        0
  SINCE JUL 1    177                       121     56       47

 COOLING
  TODAY            0                         2     -2        3
  MONTH TO DATE    3                        34    -31       28
  SINCE SEP 1      3                        34    -31       28
  SINCE JAN 1     77                       144    -67      167
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION  SW (220)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED     9.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           3:00 AM
 LOWEST     67           2:00 PM
 AVERAGE    77

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   75        93      2009
 MINIMUM TEMPERATURE (F)   56        46      1955


SUNRISE AND SUNSET
SEPTEMBER 17 2024.....SUNRISE   6:54 AM PDT   SUNSET   7:13 PM PDT
SEPTEMBER 18 2024.....SUNRISE   6:55 AM PDT   SUNSET   7:12 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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