Climatological Report (Daily)
Issued by NWS

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377
CDUS46 KMTR 180029
CLISFD

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
529 PM PDT FRI OCT 17 2025

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

...THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR OCTOBER 17 2025...
VALID TODAY AS OF 0500 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         75   1:43 PM  93    1988  70      5       66
                                      2020
  MINIMUM         54   3:43 AM  47    1892  55     -1       55
  AVERAGE         65                        62      3       61

PRECIPITATION (IN)
  TODAY            0.00          0.70 1889   0.03  -0.03     0.00
  MONTH TO DATE    0.87                      0.34   0.53     0.00
  SINCE OCT 1      0.87                      0.34   0.53     0.00
  SINCE JAN 1     10.66                     14.93  -4.27    19.08

DEGREE DAYS
 HEATING
  TODAY            0                         4     -4        4
  MONTH TO DATE   44                        62    -18       35
  SINCE SEP 1     72                       159    -87      135
  SINCE JUL 1    317                       429   -112      323

 COOLING
  TODAY            0                         1     -1        0
  MONTH TO DATE   10                        17     -7       84
  SINCE SEP 1     44                        51     -7      110
  SINCE JAN 1     63                       101    -38      138
...................................................................


THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   70        88      1933
 MINIMUM TEMPERATURE (F)   54        47      1949


SUNRISE AND SUNSET
OCTOBER 17 2025.......SUNRISE   7:20 AM PDT   SUNSET   6:29 PM PDT
OCTOBER 18 2025.......SUNRISE   7:21 AM PDT   SUNSET   6:28 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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