Climatological Report (Daily)
Issued by NWS

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CDUS46 KMTR 210845
CLISFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1245 AM PST SAT JAN 21 2017


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

...THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR JANUARY 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         55   1143 AM  69    2014  57     -2       61
                                      2009
  MINIMUM         45    543 AM  32    1937  46     -1       50
  AVERAGE         50                        52     -2       56

PRECIPITATION (IN)
  YESTERDAY        1.05          2.61 1894   0.14   0.91     0.00
  MONTH TO DATE    7.71                      2.91   4.80     6.20
  SINCE OCT 1     16.74                     11.75   4.99    12.81
  SINCE JAN 1      7.71                      2.91   4.80     6.20

DEGREE DAYS
 HEATING
  YESTERDAY       15                        MM     MM        9
  MONTH TO DATE  286                        MM     MM      238
  SINCE DEC 1    694                        MM     MM      645
  SINCE JUL 1   1410                        MM     MM     1036

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







THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   57        71      1976
 MINIMUM TEMPERATURE (F)   46        30      1937


SUNRISE AND SUNSET
JANUARY 21 2017.......SUNRISE   721 AM PST   SUNSET   522 PM PST
JANUARY 22 2017.......SUNRISE   721 AM PST   SUNSET   523 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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