Climatological Report (Daily)
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000
CDUS46 KMTR 210845
CLISTS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
145 AM PDT SAT OCT 21 2017


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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR OCTOBER 20 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         64    144 PM  91    2006  75    -11       85
  MINIMUM         41    558 AM  37    2013  44     -3       45
  AVERAGE         53                        60     -7       65

PRECIPITATION (IN)
  YESTERDAY        0.00          0.13 2004   0.08  -0.08     0.00
  MONTH TO DATE    0.21                      0.95  -0.74     1.74
  SINCE OCT 1      0.21                      0.95  -0.74     1.74
  SINCE JAN 1     42.19                     23.48  18.71    25.30

DEGREE DAYS
 HEATING
  YESTERDAY       12                                         0
  MONTH TO DATE   60                                        86
  SINCE SEP 1     74                                       113
  SINCE JUL 1     78                                       125

 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   W (260)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED     5.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           500 AM
 LOWEST     52           200 PM
 AVERAGE    76

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


THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   75        88      1999
 MINIMUM TEMPERATURE (F)   44        38      2002


SUNRISE AND SUNSET
OCTOBER 21 2017.......SUNRISE   727 AM PDT   SUNSET   624 PM PDT
OCTOBER 22 2017.......SUNRISE   728 AM PDT   SUNSET   623 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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