Climatological Report (Daily)
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000
CDUS46 KMTR 170833
CLISTS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
132 AM PDT THU AUG 17 2017


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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR AUGUST 16 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         79    115 PM 104    2015  83     -4       83
  MINIMUM         54    528 AM  47    2009  51      3       51
  AVERAGE         67                        67      0       67

PRECIPITATION (IN)
  YESTERDAY        0.00          0.00 2000   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        0                                         0
  MONTH TO DATE    0                                         4
  SINCE JUN 1     34                                        32
  SINCE JUL 1      0                                        11

 COOLING
  YESTERDAY        2                                         2
  MONTH TO DATE   70                                        23
  SINCE JUN 1    333                                       206
  SINCE JAN 1    370                                       235
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION   S (170)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     S (180)
  AVERAGE WIND SPEED     5.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93          1200 AM
 LOWEST     45           100 PM
 AVERAGE    69

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


THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   83        98      2015
 MINIMUM TEMPERATURE (F)   51        44      2009


SUNRISE AND SUNSET
AUGUST 17 2017........SUNRISE   628 AM PDT   SUNSET   802 PM PDT
AUGUST 18 2017........SUNRISE   629 AM PDT   SUNSET   801 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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