Climatological Report (Daily)
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000
CDUS46 KMTR 180830
CLISTS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1230 AM PST THU JAN 18 2018


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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR JANUARY 17 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         56    430 PM  71    2014  57     -1       51
  MINIMUM         51    608 AM  21    2012  37     14       36
  AVERAGE         54                        47      7       44

PRECIPITATION (IN)
  YESTERDAY        0.00          1.17 2016   0.20  -0.20      T
  MONTH TO DATE    4.42                      4.60  -0.18    11.67
  SINCE OCT 1     10.73                     18.35  -7.62    30.09
  SINCE JAN 1      4.42                      4.60  -0.18    11.67

DEGREE DAYS
 HEATING
  YESTERDAY       11                                        21
  MONTH TO DATE  239                                       320
  SINCE DEC 1    803                                       907
  SINCE JUL 1   1252                                      1400

 COOLING
  YESTERDAY        0                                         0
  MONTH TO DATE    0                                         0
  SINCE DEC 1      0                                         0
  SINCE JAN 1      0                                         0
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION  SW (240)
  HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    10   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED     2.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     93           200 AM
 AVERAGE    97

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


THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   57        73      2014
 MINIMUM TEMPERATURE (F)   37        24      2007


SUNRISE AND SUNSET
JANUARY 18 2018.......SUNRISE   726 AM PST   SUNSET   518 PM PST
JANUARY 19 2018.......SUNRISE   726 AM PST   SUNSET   519 PM PST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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