Climatological Report (Daily)
Issued by NWS

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CDUS46 KMTR 040845
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
145 AM PDT MON MAY 4 2015


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MAY 3 2015...

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)
 YESTERDAY
  MAXIMUM         62    508 PM  88    2013  70     -8       68
  MINIMUM         50   1159 PM  36    2008  44      6       47
  AVERAGE         56                        57     -1       58

PRECIPITATION (IN)
  YESTERDAY        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
  YESTERDAY        9                                         7
  MONTH TO DATE   20                                        11
  SINCE MAR 1    597                                       565
  SINCE JUL 1   2325                                      2772

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


WIND (MPH)
  RESULTANT WIND SPEED  10   RESULTANT WIND DIRECTION   W (250)
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED    12.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           100 AM
 LOWEST     67           500 PM
 AVERAGE    80

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   71        84      2013
                                             2011
 MINIMUM TEMPERATURE (F)   44        36      1999


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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