Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 010026
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
526 PM PDT FRI JUL 31 2015


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JULY 31 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         79   1204 PM  91    2000  78      1       79
  MINIMUM         59    627 AM  45    2005  52      7       54
  AVERAGE         69                        65      4       67

PRECIPITATION (IN)
  TODAY            0.00                                      0.00
  MONTH TO DATE    0.03                                       T
  SINCE OCT 1     16.42                                      9.63
  SINCE JAN 1      4.03                                      8.27

DEGREE DAYS
 HEATING
  TODAY            0                                         0
  MONTH TO DATE    6                                        10
  SINCE JUN 1     54                                        53
  SINCE JUL 1      6                                        10

 COOLING
  TODAY            4                                         2
  MONTH TO DATE   99                                        76
  SINCE JUN 1    143                                       117
  SINCE JAN 1    144                                       128
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  11   RESULTANT WIND DIRECTION   W (250)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED    13.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           100 AM
 LOWEST     46           400 PM
 AVERAGE    70

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   78        92      2000
 MINIMUM TEMPERATURE (F)   52        48      2008


SUNRISE AND SUNSET
JULY 31 2015..........SUNRISE   611 AM PDT   SUNSET   820 PM PDT
AUGUST  1 2015........SUNRISE   612 AM PDT   SUNSET   819 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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