Climatological Report (Daily)
Issued by NWS

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CDUS46 KMTR 050037
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
437 PM PST SUN DEC 4 2016


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR DECEMBER 4 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         63    228 PM  65    2014  57      6       60
  MINIMUM         36    746 AM  22    2004  36      0       37
  AVERAGE         50                        47      3       49

PRECIPITATION (IN)
  TODAY            0.00                                      0.00
  MONTH TO DATE    0.00                                      0.14
  SINCE OCT 1      4.75                                      1.55
  SINCE JAN 1     19.42                                      5.65

DEGREE DAYS
 HEATING
  TODAY           15                                        16
  MONTH TO DATE   56                                        65
  SINCE DEC 1     56                                        65
  SINCE JUL 1    560                                       606

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


WIND (MPH)
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION  NW (320)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    11   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED     3.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           300 AM
 LOWEST     52           300 PM
 AVERAGE    72

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   57        65      2011
 MINIMUM TEMPERATURE (F)   36        16      2013


SUNRISE AND SUNSET
DECEMBER  4 2016......SUNRISE   710 AM PST   SUNSET   449 PM PST
DECEMBER  5 2016......SUNRISE   711 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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