Climatological Report (Daily)
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000
CDUS46 KMTR 180827
CLISTS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1227 AM PST THU DEC 18 2014


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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR DECEMBER 17 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         56   1239 PM  67    1998  56      0       MM
  MINIMUM         47    719 AM  24    2008  36     11       MM
  AVERAGE         52                        46      6       MM

PRECIPITATION (IN)
  YESTERDAY        0.29          0.96 2010   0.25   0.04     0.00
  MONTH TO DATE   13.16                      3.27   9.89     0.41
  SINCE JUL 1     18.06                     10.43   7.63     2.02
  SINCE JAN 1     30.63                     32.52  -1.89     8.54

DEGREE DAYS
 HEATING
  YESTERDAY       13                                        MM
  MONTH TO DATE  171                                       328
  SINCE DEC 1    171                                       328
  SINCE JUL 1    529                                       891

 COOLING
  YESTERDAY        0                                        MM
  MONTH TO DATE    0                                         0
  SINCE DEC 1      0                                         0
  SINCE JAN 1    499                                       415
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION  SE (140)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION    SE (130)
  HIGHEST GUST SPEED    13   HIGHEST GUST DIRECTION     E (100)
  AVERAGE WIND SPEED     3.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     77           100 PM
 AVERAGE    89

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


THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   56        64      1998
 MINIMUM TEMPERATURE (F)   36        24      2008


SUNRISE AND SUNSET
DECEMBER 18 2014......SUNRISE   723 AM PST   SUNSET   452 PM PST
DECEMBER 19 2014......SUNRISE   724 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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