Climatological Report (Daily)
Issued by NWS

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430
CDUS46 KMTR 150838
CLISFD

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
138 AM PDT FRI AUG 15 2025

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

...THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR AUGUST 14 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1850 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         67  11:43 AM  95    2020  68     -1       65
  MINIMUM         57   5:43 AM  48    1969  56      1       54
  AVERAGE         62                        62      0       60

PRECIPITATION (IN)
  YESTERDAY        0.00          0.26 1991   0.01  -0.01     0.00
  MONTH TO DATE    0.01                      0.03  -0.02     0.00
  SINCE OCT 1     19.86                     22.76  -2.90    25.72
  SINCE JAN 1      9.66                     14.46  -4.80    19.04

DEGREE DAYS
 HEATING
  YESTERDAY        3                         4     -1        5
  MONTH TO DATE   52                        56     -4       67
  SINCE JUN 1    428                       377     51      317
  SINCE JUL 1    215                       208      7      162

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    1                         0      1        0
  SINCE JUN 1      1                        19    -18       13
  SINCE JAN 1      7                        34    -27       19
...................................................................


THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   68        87      1950
 MINIMUM TEMPERATURE (F)   56        49      1894


SUNRISE AND SUNSET
AUGUST 15 2025........SUNRISE   6:26 AM PDT   SUNSET   8:02 PM PDT
AUGUST 16 2025........SUNRISE   6:27 AM PDT   SUNSET   8:01 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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