Climatological Report (Daily)
Issued by NWS

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CDUS46 KMTR 110029
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
428 PM PST SAT DEC 10 2016


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR DECEMBER 10 2016...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         60    359 PM  63    2014  56      4       62
                                      2012
  MINIMUM         57   1223 AM  21    2013  36     21       47
  AVERAGE         59                        46     13       55

PRECIPITATION (IN)
  TODAY            0.25                                      0.12
  MONTH TO DATE    0.93                                      0.28
  SINCE OCT 1      5.68                                      1.69
  SINCE JAN 1     20.35                                      5.79

DEGREE DAYS
 HEATING
  TODAY            6                                        10
  MONTH TO DATE  148                                       139
  SINCE DEC 1    148                                       139
  SINCE JUL 1    652                                       680

 COOLING
  TODAY            0                                         0
  MONTH TO DATE    0                                         0
  SINCE DEC 1      0                                         0
  SINCE JAN 1    186                                       378
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  14   RESULTANT WIND DIRECTION   S (200)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED    14.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           500 AM
 LOWEST     87           300 PM
 AVERAGE    90

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   56        64      2014
                                             2005
 MINIMUM TEMPERATURE (F)   36        25      2013


SUNRISE AND SUNSET
DECEMBER 10 2016......SUNRISE   715 AM PST   SUNSET   449 PM PST
DECEMBER 11 2016......SUNRISE   716 AM PST   SUNSET   449 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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