Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 310826
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
125 AM PDT THU JUL 31 2014


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JULY 30 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         80    208 PM  88    2012  78      2       74
  MINIMUM         55   1159 PM  50    1999  52      3       54
  AVERAGE         68                        65      3       64

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.00
  MONTH TO DATE    T                                         0.00
  SINCE JUL 1      T                                         0.00
  SINCE JAN 1      8.27                                      1.97

DEGREE DAYS
 HEATING
  YESTERDAY        0                                         1
  MONTH TO DATE   10                                        19
  SINCE JUN 1     53                                        49
  SINCE JUL 1     10                                        19

 COOLING
  YESTERDAY        3                                         0
  MONTH TO DATE   74                                        51
  SINCE JUN 1    115                                       128
  SINCE JAN 1    126                                       148
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION   S (200)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED     7.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           400 AM
 LOWEST     52           200 PM
 AVERAGE    76

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   78        91      2000
 MINIMUM TEMPERATURE (F)   52        45      2005


SUNRISE AND SUNSET
JULY 31 2014..........SUNRISE   611 AM PDT   SUNSET   820 PM PDT
AUGUST  1 2014........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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