Climatological Report (Daily)
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000
CDUS46 KMTR 210045
CLISTS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
445 PM PST SAT DEC 20 2014


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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR DECEMBER 20 2014...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         57    307 PM  69    1999  56      1       67
  MINIMUM         52    702 AM  26    2013  36     16       26
                                      2011
                                      2008
  AVERAGE         55                        46      9       47

PRECIPITATION (IN)
  TODAY            0.09          1.23 2003   0.27  -0.18     0.00
  MONTH TO DATE   14.21                      4.08  10.13     0.41
  SINCE JUL 1     19.11                     11.24   7.87     2.02
  SINCE JAN 1     31.68                     33.33  -1.65     8.54

DEGREE DAYS
 HEATING
  TODAY           10                                        18
  MONTH TO DATE  203                                       360
  SINCE DEC 1    203                                       360
  SINCE JUL 1    561                                       923

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


WIND (MPH)
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION   S (180)
  HIGHEST WIND SPEED     7   HIGHEST WIND DIRECTION    SE (130)
  HIGHEST GUST SPEED     9   HIGHEST GUST DIRECTION    SE (120)
  AVERAGE WIND SPEED     1.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           600 AM
 LOWEST     86           300 PM
 AVERAGE    93

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


THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   56        77      1999
 MINIMUM TEMPERATURE (F)   36        21      1998


SUNRISE AND SUNSET
DECEMBER 20 2014......SUNRISE   725 AM PST   SUNSET   453 PM PST
DECEMBER 21 2014......SUNRISE   725 AM PST   SUNSET   454 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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