Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 160025
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
525 PM PDT TUE AUG 15 2017


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR AUGUST 15 2017...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         71    208 PM  96    2015  80     -9       75
  MINIMUM         58    513 AM  47    2011  52      6       52
                                      2000
  AVERAGE         65                        66     -1       64

PRECIPITATION (IN)
  TODAY            0.00                                      0.00
  MONTH TO DATE    T                                         0.00
  SINCE OCT 1     37.11                                     18.86
  SINCE JAN 1     28.16                                     14.67

DEGREE DAYS
 HEATING
  TODAY            0                                         1
  MONTH TO DATE    0                                        16
  SINCE JUN 1     25                                        79
  SINCE JUL 1      8                                        53

 COOLING
  TODAY            0                                         0
  MONTH TO DATE   54                                         9
  SINCE JUN 1    288                                        94
  SINCE JAN 1    322                                       105
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  14   RESULTANT WIND DIRECTION  SW (210)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED    14.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86           300 AM
 LOWEST     57           200 PM
 AVERAGE    72

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   80       101      2015
 MINIMUM TEMPERATURE (F)   52        46      2014


SUNRISE AND SUNSET
AUGUST 15 2017........SUNRISE   624 AM PDT   SUNSET   802 PM PDT
AUGUST 16 2017........SUNRISE   625 AM PDT   SUNSET   801 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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