Climatological Report (Daily)
Issued by NWS

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221
CDUS46 KMTR 300845
CLISFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
145 AM PDT MON JUN 30 2025

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JUNE 29 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         69   2:11 PM  87    1959  73     -4       74
  MINIMUM         52   5:33 AM  48    1947  54     -2       53
                                      1955
                                      1963
  AVERAGE         61                        63     -2       64

PRECIPITATION (IN)
  YESTERDAY        0.00          0.20 1992   0.00   0.00     0.00
  MONTH TO DATE    0.00                      0.14  -0.14      T
  SINCE OCT 1     16.11                     19.53  -3.42    20.13
  SINCE JAN 1      7.55                     12.56  -5.01    14.80

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

DEGREE DAYS
 HEATING
  YESTERDAY        4                         2      2        1
  MONTH TO DATE  138                        96     42      110
  SINCE JUN 1    138                        96     42      110
  SINCE JUL 1   2388                      2475    -87     1873

 COOLING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE    1                        26    -25        6
  SINCE JUN 1      1                        26    -25        6
  SINCE JAN 1      7                        46    -39       17
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED  11   RESULTANT WIND DIRECTION  NW (310)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED    11.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           6:00 AM
 LOWEST     54          12:00 PM
 AVERAGE    74

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        92      1996
 MINIMUM TEMPERATURE (F)   54        44      1949


SUNRISE AND SUNSET
JUNE 30 2025..........SUNRISE   5:52 AM PDT   SUNSET   8:35 PM PDT
JULY  1 2025..........SUNRISE   5:52 AM PDT   SUNSET   8:35 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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