Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 170835
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
135 AM PDT THU APR 17 2014


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR APRIL 16 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         75    401 PM  83    1999  68      7       69
  MINIMUM         44    553 AM  29    2008  41      3       34
  AVERAGE         60                        55      5       52

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.00
  MONTH TO DATE    0.98                                      0.71
  SINCE JUL 1      9.48                                      9.49
  SINCE JAN 1      7.28                                      1.70

DEGREE DAYS
 HEATING
  YESTERDAY        5                                        13
  MONTH TO DATE  128                                       123
  SINCE MAR 1    431                                       483
  SINCE JUL 1   2638                                      2688

 COOLING
  YESTERDAY        0                                         0
  MONTH TO DATE    0                                         0
  SINCE MAR 1      0                                         0
  SINCE JAN 1      0                                         0
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION  SW (230)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     4.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           300 AM
 LOWEST     50           300 PM
 AVERAGE    75

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   68        78      1999
 MINIMUM TEMPERATURE (F)   42        32      2004


SUNRISE AND SUNSET
APRIL 17 2014.........SUNRISE   631 AM PDT   SUNSET   747 PM PDT
APRIL 18 2014.........SUNRISE   629 AM PDT   SUNSET   748 PM PDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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