Climatological Report (Daily)
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000
CDUS46 KMTR 170855
CLISTS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1255 AM PST WED DEC 17 2014


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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR DECEMBER 16 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         57   1054 AM  70    2011  56      1       MM
  MINIMUM         47   1159 PM  27    2011  36     11       MM
                                      2005
  AVERAGE         52                        46      6       MM

PRECIPITATION (IN)
  YESTERDAY        1.12          1.28 2002   0.24   0.88     0.00
  MONTH TO DATE   12.87                      3.02   9.85     0.41
  SINCE JUL 1     17.77                     10.18   7.59     2.02
  SINCE JAN 1     30.34                     32.27  -1.93     8.54

DEGREE DAYS
 HEATING
  YESTERDAY       13                                        MM
  MONTH TO DATE  158                                       328
  SINCE DEC 1    158                                       328
  SINCE JUL 1    516                                       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   4   RESULTANT WIND DIRECTION   S (160)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    SE (140)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    SE (150)
  AVERAGE WIND SPEED     5.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     80          1100 AM
 AVERAGE    90

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


THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   56        67      1998
 MINIMUM TEMPERATURE (F)   36        24      2008


SUNRISE AND SUNSET
DECEMBER 17 2014......SUNRISE   723 AM PST   SUNSET   452 PM PST
DECEMBER 18 2014......SUNRISE   723 AM PST   SUNSET   452 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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