Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 310845
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
145 AM PDT SUN JUL 31 2016


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JULY 30 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         76    245 PM  88    2012  78     -2       80
  MINIMUM         50R   537 AM  50    1999  52     -2       59
  AVERAGE         63                        65     -2       70

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.00
  MONTH TO DATE    0.00                                      0.03
  SINCE OCT 1     18.86                                     16.42
  SINCE JAN 1     14.67                                      4.03

DEGREE DAYS
 HEATING
  YESTERDAY        2                                         0
  MONTH TO DATE   36                                         6
  SINCE JUN 1     62                                        54
  SINCE JUL 1     36                                         6

 COOLING
  YESTERDAY        0                                         5
  MONTH TO DATE   34                                        95
  SINCE JUN 1     85                                       139
  SINCE JAN 1     96                                       140
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION  SW (210)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED     9.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           600 AM
 LOWEST     53          1200 PM
 AVERAGE    77

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


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 2016..........SUNRISE   611 AM PDT   SUNSET   819 PM PDT
AUGUST  1 2016........SUNRISE   612 AM PDT   SUNSET   818 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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