Climatological Report (Daily)
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475
CDUS46 KMTR 190826
CLISTS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
126 AM PDT THU OCT 19 2017


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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR OCTOBER 18 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         75    143 PM  91    2012  76     -1       74
  MINIMUM         41    649 AM  35    1999  45     -4       43
  AVERAGE         58                        60     -2       59

PRECIPITATION (IN)
  YESTERDAY        0.00          0.08 2007   0.08  -0.08     0.00
  MONTH TO DATE    0.00                      0.79  -0.79     1.74
  SINCE OCT 1      0.00                      0.79  -0.79     1.74
  SINCE JAN 1     41.98                     23.32  18.66    25.30

DEGREE DAYS
 HEATING
  YESTERDAY        7                                         6
  MONTH TO DATE   39                                        83
  SINCE SEP 1     53                                       110
  SINCE JUL 1     57                                       122

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


WIND (MPH)
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION   S (170)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    SE (140)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    SE (140)
  AVERAGE WIND SPEED     3.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           100 AM
 LOWEST     34           100 PM
 AVERAGE    67

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


THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   76        88      1998
 MINIMUM TEMPERATURE (F)   45        37      2013


SUNRISE AND SUNSET
OCTOBER 19 2017.......SUNRISE   725 AM PDT   SUNSET   627 PM PDT
OCTOBER 20 2017.......SUNRISE   726 AM PDT   SUNSET   626 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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