Climatological Report (Daily)
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000
CDUS46 KMTR 210026
CLISTS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
526 PM PDT SUN AUG 20 2017


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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR AUGUST 20 2017...
VALID TODAY AS OF 0500 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         74    350 PM  89    2007  84    -10       79
  MINIMUM         56    424 AM  47    2000  51      5       55
  AVERAGE         65                        67     -2       67

PRECIPITATION (IN)
  TODAY            0.00          T    2014   0.01  -0.01     0.00
  MONTH TO DATE    T                         0.02  -0.02      T
  SINCE OCT 1     60.37                     35.87  24.50    32.14
  SINCE JAN 1     41.95                     22.12  19.83    23.56

DEGREE DAYS
 HEATING
  TODAY            0                                         0
  MONTH TO DATE    1                                         4
  SINCE JUN 1     35                                        32
  SINCE JUL 1      1                                        11

 COOLING
  TODAY            0                                         2
  MONTH TO DATE   76                                        30
  SINCE JUN 1    339                                       213
  SINCE JAN 1    376                                       242
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION   W (270)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED     3.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           200 AM
 LOWEST     57           200 PM
 AVERAGE    79

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


THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   84        96      2007
 MINIMUM TEMPERATURE (F)   51        45      2001


SUNRISE AND SUNSET
AUGUST 20 2017........SUNRISE   630 AM PDT   SUNSET   758 PM PDT
AUGUST 21 2017........SUNRISE   631 AM PDT   SUNSET   757 PM PDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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