Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 180829
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
129 AM PDT THU SEP 18 2014


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR SEPTEMBER 17 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         82    144 PM  94    2000  80      2       80
  MINIMUM         56    611 AM  42    2006  49      7       54
  AVERAGE         69                        64      5       67

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.00
  MONTH TO DATE    0.00                                      0.00
  SINCE JUL 1      0.07                                      0.00
  SINCE JAN 1      8.34                                      1.97

DEGREE DAYS
 HEATING
  YESTERDAY        0                                         0
  MONTH TO DATE    6                                         1
  SINCE SEP 1      6                                         1
  SINCE JUL 1     28                                        37

 COOLING
  YESTERDAY        4                                         2
  MONTH TO DATE   41                                        57
  SINCE SEP 1     41                                        57
  SINCE JAN 1    214                                       294
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION  SW (220)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED    10.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           300 AM
 LOWEST     36           200 PM
 AVERAGE    68

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   80        97      2000
 MINIMUM TEMPERATURE (F)   49        38      2008


SUNRISE AND SUNSET
SEPTEMBER 18 2014.....SUNRISE   653 AM PDT   SUNSET   712 PM PDT
SEPTEMBER 19 2014.....SUNRISE   654 AM PDT   SUNSET   711 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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