Climatological Report (Daily)
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CDUS46 KMTR 090845
CLISTS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1245 AM PST FRI DEC 9 2016


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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR DECEMBER 8 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         52   1157 PM  65    2000  57     -5       63
  MINIMUM         42    453 AM  21    2009  37      5       50
  AVERAGE         47                        47      0       57

PRECIPITATION (IN)
  YESTERDAY        0.57          1.52 2004   0.19   0.38     0.00
  MONTH TO DATE    1.23                      1.29  -0.06     1.79
  SINCE OCT 1     12.90                      8.01   4.89     3.36
  SINCE JAN 1     36.46                     30.54   5.92     9.82

DEGREE DAYS
 HEATING
  YESTERDAY       18                                         8
  MONTH TO DATE  143                                       110
  SINCE DEC 1    143                                       110
  SINCE JUL 1    636                                       555

 COOLING
  YESTERDAY        0                                         0
  MONTH TO DATE    0                                         0
  SINCE DEC 1      0                                         0
  SINCE JAN 1    356                                       596
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION   N (340)
  HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION     N (340)
  HIGHEST GUST SPEED    10   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED     2.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           200 AM
 LOWEST     96          1200 AM
 AVERAGE    98

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


THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   57        69      2012
 MINIMUM TEMPERATURE (F)   37        19      2013


SUNRISE AND SUNSET
DECEMBER  9 2016......SUNRISE   717 AM PST   SUNSET   450 PM PST
DECEMBER 10 2016......SUNRISE   718 AM PST   SUNSET   450 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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