Climatological Report (Daily)
Issued by NWS

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CDUS46 KMTR 020835
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1235 AM PST FRI DEC 2 2016


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR DECEMBER 1 2016...

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)
 YESTERDAY
  MAXIMUM         65    312 PM  69    2011  58      7       60
  MINIMUM         33    741 AM  20    2007  37     -4       27
  AVERAGE         49                        47      2       44

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.00
  MONTH TO DATE    0.00                                      0.00
  SINCE OCT 1      4.75                                      1.41
  SINCE JAN 1     19.42                                      5.51

DEGREE DAYS
 HEATING
  YESTERDAY       16                                        21
  MONTH TO DATE   16                                        21
  SINCE DEC 1     16                                        21
  SINCE JUL 1    520                                       562

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


WIND (MPH)
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION   N (340)
  HIGHEST WIND SPEED    32   HIGHEST WIND DIRECTION     N (360)
  HIGHEST GUST SPEED    39   HIGHEST GUST DIRECTION     N (360)
  AVERAGE WIND SPEED     5.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           800 AM
 LOWEST     30           400 PM
 AVERAGE    65

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   58        75      2011
 MINIMUM TEMPERATURE (F)   37        24      2006


SUNRISE AND SUNSET
DECEMBER  2 2016......SUNRISE   708 AM PST   SUNSET   449 PM PST
DECEMBER  3 2016......SUNRISE   709 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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