Climatological Report (Daily)
Issued by NWS

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987
CDUS46 KMTR 170829
CLISFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
129 AM PDT TUE JUN 17 2025

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JUNE 16 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1927 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         64   3:18 PM  90    1961  72     -8       68
  MINIMUM         51   4:28 AM  46    1952  54     -3       51
  AVERAGE         58                        63     -5       60

PRECIPITATION (IN)
  YESTERDAY        0.00          0.35 1995   0.01  -0.01     0.00
  MONTH TO DATE    0.00                      0.10  -0.10     0.00
  SINCE OCT 1     16.11                     19.49  -3.38    20.13
  SINCE JAN 1      7.55                     12.52  -4.97    14.80

SNOWFALL (IN)
  YESTERDAY       MM             0.0
  MONTH TO DATE    T
  SINCE JUN 1      T
  SINCE JUL 1      T

DEGREE DAYS
 HEATING
  YESTERDAY        7                         3      4        5
  MONTH TO DATE   75                        59     16       56
  SINCE JUN 1     75                        59     16       56
  SINCE JUL 1   2325                      2438   -113     1819

 COOLING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE    0                        13    -13        6
  SINCE JUN 1      0                        13    -13        6
  SINCE JAN 1      6                        33    -27       17
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED  16   RESULTANT WIND DIRECTION   W (280)
  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    37   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED    16.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           6:00 AM
 LOWEST     56           2:00 PM
 AVERAGE    73

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   72        95      1993
 MINIMUM TEMPERATURE (F)   54        44      1954


SUNRISE AND SUNSET
JUNE 17 2025..........SUNRISE   5:48 AM PDT   SUNSET   8:33 PM PDT
JUNE 18 2025..........SUNRISE   5:48 AM PDT   SUNSET   8:34 PM PDT


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




$$