Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 290034
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
434 PM PST SUN DEC 28 2014


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR DECEMBER 28 2014...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         55    359 PM  64    1999  54      1       62
  MINIMUM         34    728 AM  24    2013  36     -2       24
  AVERAGE         45                        45      0       43

PRECIPITATION (IN)
  TODAY            0.00                                      0.00
  MONTH TO DATE   10.14                                      0.47
  SINCE JUL 1     12.77                                      2.20
  SINCE JAN 1     21.04                                      4.17

DEGREE DAYS
 HEATING
  TODAY           20                                        22
  MONTH TO DATE  340                                       607
  SINCE DEC 1    340                                       607
  SINCE JUL 1    813                                      1286

 COOLING
  TODAY            0                                         0
  MONTH TO DATE    0                                         0
  SINCE DEC 1      0                                         0
  SINCE JAN 1    267                                       303
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION   N (20)
  HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION     N (20)
  HIGHEST GUST SPEED     9   HIGHEST GUST DIRECTION     N (360)
  AVERAGE WIND SPEED     2.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           600 AM
 LOWEST     50           100 PM
 AVERAGE    75

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   54        64      2013
 MINIMUM TEMPERATURE (F)   36        27      2009


SUNRISE AND SUNSET
DECEMBER 28 2014......SUNRISE   725 AM PST   SUNSET   457 PM PST
DECEMBER 29 2014......SUNRISE   725 AM PST   SUNSET   457 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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