Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 210845
CLISFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
145 AM PDT THU SEP 21 2017


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

...THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR SEPTEMBER 20 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         68   1143 AM  97    1939  70     -2       65
  MINIMUM         58   1143 PM  49    1911  55      3       56
  AVERAGE         63                        63      0       61

PRECIPITATION (IN)
  YESTERDAY        0.00          0.20 1973   0.01  -0.01     0.00
  MONTH TO DATE    0.10                      0.10   0.00     0.00
  SINCE OCT 1     32.44                     23.54   8.90    23.10
  SINCE JAN 1     23.41                     14.70   8.71    16.49

DEGREE DAYS
 HEATING
  YESTERDAY        2                        MM     MM        4
  MONTH TO DATE   16                        MM     MM       81
  SINCE SEP 1     16                        MM     MM       81
  SINCE JUL 1    238                        MM     MM      389

 COOLING
  YESTERDAY        0                        MM     MM        0
  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        99      1928
 MINIMUM TEMPERATURE (F)   55        50      1886


SUNRISE AND SUNSET
SEPTEMBER 21 2017.....SUNRISE   657 AM PDT   SUNSET   708 PM PDT
SEPTEMBER 22 2017.....SUNRISE   658 AM PDT   SUNSET   706 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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