Climatological Report (Daily)
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000
CDUS46 KMTR 030838
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
137 AM PDT MON AUG 3 2015


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR AUGUST 2 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         81    322 PM  95    1998  78      3       74
  MINIMUM         59   1116 PM  45    2013  52      7       54
  AVERAGE         70                        65      5       64

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

DEGREE DAYS
 HEATING
  YESTERDAY        0                                         1
  MONTH TO DATE    0                                         1
  SINCE JUN 1     54                                        54
  SINCE JUL 1      6                                        11

 COOLING
  YESTERDAY        5                                         0
  MONTH TO DATE   11                                         1
  SINCE JUN 1    154                                       118
  SINCE JAN 1    155                                       129
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  13   RESULTANT WIND DIRECTION   W (250)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED    13.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90          1200 AM
 LOWEST     42           400 PM
 AVERAGE    66

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   78       101      1998
 MINIMUM TEMPERATURE (F)   52        50      2007


SUNRISE AND SUNSET
AUGUST  3 2015........SUNRISE   613 AM PDT   SUNSET   817 PM PDT
AUGUST  4 2015........SUNRISE   614 AM PDT   SUNSET   816 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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