Climatological Report (Daily)
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CDUS46 KMTR 200828
CLISTS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
126 AM PDT SUN AUG 20 2017


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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR AUGUST 19 2017...

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)
 YESTERDAY
  MAXIMUM         74    235 PM  91    1999  84    -10       76
  MINIMUM         54    639 AM  47    2012  51      3       54
  AVERAGE         64                        67     -3       65

PRECIPITATION (IN)
  YESTERDAY        0.00          T    2012   0.00   0.00     0.00
  MONTH TO DATE    T                         0.01  -0.01      T
  SINCE OCT 1     60.37                     35.86  24.51    32.14
  SINCE JAN 1     41.95                     22.11  19.84    23.56

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

 COOLING
  YESTERDAY        0                                         0
  MONTH TO DATE   76                                        28
  SINCE JUN 1    339                                       211
  SINCE JAN 1    376                                       240
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION   S (180)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED     6.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           500 AM
 LOWEST     57           100 PM
 AVERAGE    79

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


THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   84        89      2007
 MINIMUM TEMPERATURE (F)   51        47      2000


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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