Climatological Report (Daily)
Issued by NWS

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406
CDUS46 KMTR 200825
CLISFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
125 AM PDT WED SEP 20 2017


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

...THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR SEPTEMBER 19 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1850 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         71    243 PM  93    1919  70      1       83
  MINIMUM         57    643 AM  49    1911  55      2       59
  AVERAGE         64                        63      1       71

PRECIPITATION (IN)
  YESTERDAY        0.00          0.72 1977   0.00   0.00     0.00
  MONTH TO DATE    0.10                      0.09   0.01     0.00
  SINCE OCT 1     32.44                     23.53   8.91    23.10
  SINCE JAN 1     23.41                     14.69   8.72    16.49

DEGREE DAYS
 HEATING
  YESTERDAY        1                        MM     MM        0
  MONTH TO DATE   14                        MM     MM       77
  SINCE SEP 1     14                        MM     MM       77
  SINCE JUL 1    236                        MM     MM      385

 COOLING
  YESTERDAY        0                        MM     MM        6
  MONTH TO DATE  102                         0    102       17
  SINCE SEP 1    102                         0    102       17
  SINCE JAN 1    141                         0    141       48
..................................................................







THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   70        97      1939
 MINIMUM TEMPERATURE (F)   55        49      1911


SUNRISE AND SUNSET
SEPTEMBER 20 2017.....SUNRISE   656 AM PDT   SUNSET   709 PM PDT
SEPTEMBER 21 2017.....SUNRISE   657 AM PDT   SUNSET   708 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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