Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 280826
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1226 AM PST SUN DEC 28 2014


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR DECEMBER 27 2014...

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)
 YESTERDAY
  MAXIMUM         54    221 PM  67    1999  54      0       61
  MINIMUM         29    647 AM  27    2007  36     -7       30
  AVERAGE         42                        45     -3       46

PRECIPITATION (IN)
  YESTERDAY        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
  YESTERDAY       23                                        19
  MONTH TO DATE  320                                       585
  SINCE DEC 1    320                                       585
  SINCE JUL 1    793                                      1264

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


WIND (MPH)
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION   E (80)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     E (100)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     E (90)
  AVERAGE WIND SPEED     4.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           400 AM
 LOWEST     54           200 PM
 AVERAGE    73

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   54        64      1999
 MINIMUM TEMPERATURE (F)   36        24      2013


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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