Climatological Report (Daily)
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000
CDUS46 KMTR 110025
CLISTS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
425 PM PST SUN DEC 10 2017


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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR DECEMBER 10 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         64    310 PM  68    2012  57      7       60
  MINIMUM         28    724 AM  22    2013  37     -9       41
  AVERAGE         46                        47     -1       51

PRECIPITATION (IN)
  TODAY            0.00          1.32 2014   0.20  -0.20     0.64
  MONTH TO DATE    0.04                      1.68  -1.64     2.34
  SINCE OCT 1      6.27                      8.40  -2.13    14.01
  SINCE JAN 1     48.25                     30.93  17.32    37.57

DEGREE DAYS
 HEATING
  TODAY           19                                        14
  MONTH TO DATE  171                                       166
  SINCE DEC 1    171                                       166
  SINCE JUL 1    620                                       659

 COOLING
  TODAY            0                                         0
  MONTH TO DATE    0                                         0
  SINCE DEC 1      0                                         0
  SINCE JAN 1    635                                       356
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   0   RESULTANT WIND DIRECTION   S (200)
  HIGHEST WIND SPEED     6   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED     6   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED     0.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     46           100 PM
 AVERAGE    73

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


THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   56        67      2010
                                             1999
 MINIMUM TEMPERATURE (F)   37        24      2013


SUNRISE AND SUNSET
DECEMBER 10 2017......SUNRISE   718 AM PST   SUNSET   450 PM PST
DECEMBER 11 2017......SUNRISE   719 AM PST   SUNSET   451 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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