Climatological Report (Daily)
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527
CDUS46 KMTR 180038
CLISTS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
537 PM PDT TUE OCT 17 2017


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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR OCTOBER 17 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         86    215 PM  92    2012  76     10       69
  MINIMUM         44    627 AM  39    2013  45     -1       49
                                      1998
  AVERAGE         65                        61      4       59

PRECIPITATION (IN)
  TODAY            0.00          0.34 2004   0.07  -0.07     0.04
  MONTH TO DATE    T                         0.71  -0.71     1.74
  SINCE OCT 1      T                         0.71  -0.71     1.74
  SINCE JAN 1     41.98                     23.24  18.74    25.30

DEGREE DAYS
 HEATING
  TODAY            0                                         6
  MONTH TO DATE   32                                        77
  SINCE SEP 1     46                                       104
  SINCE JUL 1     50                                       116

 COOLING
  TODAY            0                                         0
  MONTH TO DATE   10                                         9
  SINCE SEP 1    173                                        95
  SINCE JAN 1    611                                       356
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION  SW (210)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION     S (180)
  AVERAGE WIND SPEED     3.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    71          1200 AM
 LOWEST     13           100 PM
 AVERAGE    42

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


THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   76        91      2012
 MINIMUM TEMPERATURE (F)   45        35      1999


SUNRISE AND SUNSET
OCTOBER 17 2017.......SUNRISE   723 AM PDT   SUNSET   630 PM PDT
OCTOBER 18 2017.......SUNRISE   724 AM PDT   SUNSET   628 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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