Climatological Report (Daily)
Issued by NWS

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CDUS46 KMTR 050026
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
526 PM PDT MON MAY 4 2015


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MAY 4 2015...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         62    312 PM  84    2013  71     -9       68
                                      2011
  MINIMUM         48    524 AM  36    1999  44      4       48
  AVERAGE         55                        57     -2       58

PRECIPITATION (IN)
  TODAY            0.00                                      0.00
  MONTH TO DATE    0.00                                      0.00
  SINCE OCT 1     16.26                                      9.63
  SINCE JAN 1      3.87                                      8.27

DEGREE DAYS
 HEATING
  TODAY           10                                         7
  MONTH TO DATE   30                                        18
  SINCE MAR 1    619                                       572
  SINCE JUL 1   2347                                      2779

 COOLING
  TODAY            0                                         0
  MONTH TO DATE    0                                         1
  SINCE MAR 1      1                                         2
  SINCE JAN 1      1                                         2
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION  SW (240)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED    10.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           400 AM
 LOWEST     65           200 PM
 AVERAGE    79

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   71        82      2011
 MINIMUM TEMPERATURE (F)   44        37      2003


SUNRISE AND SUNSET
MAY  4 2015...........SUNRISE   609 AM PDT   SUNSET   803 PM PDT
MAY  5 2015...........SUNRISE   608 AM PDT   SUNSET   804 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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