Climatological Report (Daily)
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441
CDUS46 KMTR 160039
CLISFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
539 PM PDT SUN SEP 15 2024

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 15 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         64   1:04 PM  98    1971  75    -11       73
  MINIMUM         54   5:19 AM  48    1970  56     -2       61
  AVERAGE         59                        66     -7       67

PRECIPITATION (IN)
  TODAY            0.00          T    1982   0.00   0.00     0.00
                                      1995
                                      1996
  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            6                         1      5        0
  MONTH TO DATE   38                        17     21        0
  SINCE SEP 1     38                        17     21        0
  SINCE JUL 1    168                       119     49       47

 COOLING
  TODAY            0                         2     -2        2
  MONTH TO DATE    3                        30    -27       22
  SINCE SEP 1      3                        30    -27       22
  SINCE JAN 1     77                       140    -63      161
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED  19   RESULTANT WIND DIRECTION   W (260)
  HIGHEST WIND SPEED    37   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    47   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED    19.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           4:00 AM
 LOWEST     72           2:00 PM
 AVERAGE    85

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   75        90      1968
 MINIMUM TEMPERATURE (F)   56        49      2006


SUNRISE AND SUNSET
SEPTEMBER 15 2024.....SUNRISE   6:52 AM PDT   SUNSET   7:16 PM PDT
SEPTEMBER 16 2024.....SUNRISE   6:53 AM PDT   SUNSET   7:15 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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