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 SAT OCT 21 2017


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

...THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR OCTOBER 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         61   1243 PM  89    1991  69     -8       77
  MINIMUM         52    143 AM  45    1949  54     -2       56
  AVERAGE         57                        61     -4       67

PRECIPITATION (IN)
  YESTERDAY        0.02          1.25 1889   0.04  -0.02     0.00
  MONTH TO DATE    0.31                      0.51  -0.20     1.18
  SINCE OCT 1      0.31                      0.51  -0.20     1.18
  SINCE JAN 1     23.72                     15.32   8.40    17.67

DEGREE DAYS
 HEATING
  YESTERDAY        8                        MM     MM        0
  MONTH TO DATE   61                        MM     MM       71
  SINCE SEP 1     93                        MM     MM      192
  SINCE JUL 1    315                        MM     MM      500

 COOLING
  YESTERDAY        0                        MM     MM        2
  MONTH TO DATE   20                         0     20       14
  SINCE SEP 1    146                         0    146       58
  SINCE JAN 1    185                         0    185       89
..................................................................







THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   69        89      1929
 MINIMUM TEMPERATURE (F)   53        47      1892


SUNRISE AND SUNSET
OCTOBER 21 2017.......SUNRISE   724 AM PDT   SUNSET   624 PM PDT
OCTOBER 22 2017.......SUNRISE   725 AM PDT   SUNSET   622 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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