Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 160826
CLISFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1225 AM PST SAT DEC 16 2017


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

...THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR DECEMBER 15 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         60    243 PM  71    1980  57      3       59
  MINIMUM         50    643 AM  36    1972  46      4       50
  AVERAGE         55                        52      3       55

PRECIPITATION (IN)
  YESTERDAY        0.00          1.31 2016   0.15  -0.15     1.31
  MONTH TO DATE    0.02                      2.08  -2.06     3.52
  SINCE OCT 1      3.16                      6.36  -3.20     8.16
  SINCE JAN 1     26.57                     21.17   5.40    24.65

DEGREE DAYS
 HEATING
  YESTERDAY       10                        MM     MM       10
  MONTH TO DATE  134                        MM     MM      168
  SINCE DEC 1    134                        MM     MM      168
  SINCE JUL 1    679                        MM     MM      884

 COOLING
  YESTERDAY        0                        MM     MM        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    226                         0    226       93
..................................................................







THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   57        71      1998
 MINIMUM TEMPERATURE (F)   46        37      1963


SUNRISE AND SUNSET
DECEMBER 16 2017......SUNRISE   719 AM PST   SUNSET   452 PM PST
DECEMBER 17 2017......SUNRISE   719 AM PST   SUNSET   453 PM PST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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