Climatological Report (Daily)
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000
CDUS46 KMTR 190036
CLISTS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
435 PM PST THU DEC 18 2014


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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR DECEMBER 18 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         56    236 PM  64    1998  56      0       MM
  MINIMUM         49    508 AM  24    2008  36     13       MM
  AVERAGE         53                        46      7       MM

PRECIPITATION (IN)
  TODAY            0.15          2.43 2005   0.27  -0.12     0.00
  MONTH TO DATE   13.31                      3.54   9.77     0.41
  SINCE JUL 1     18.21                     10.70   7.51     2.02
  SINCE JAN 1     30.78                     32.79  -2.01     8.54

DEGREE DAYS
 HEATING
  TODAY           12                                        MM
  MONTH TO DATE  183                                       328
  SINCE DEC 1    183                                       328
  SINCE JUL 1    541                                       891

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


WIND (MPH)
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION   N (350)
  HIGHEST WIND SPEED     7   HIGHEST WIND DIRECTION    SE (140)
  HIGHEST GUST SPEED     9   HIGHEST GUST DIRECTION     E (100)
  AVERAGE WIND SPEED     1.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96          1000 AM
 LOWEST     86           100 PM
 AVERAGE    91

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


THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   56        78      1999
 MINIMUM TEMPERATURE (F)   36        24      2006


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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