Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 190828
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
127 AM PDT FRI SEP 19 2014


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR SEPTEMBER 18 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         78    228 PM  97    2000  80     -2       85
  MINIMUM         59   1029 PM  38    2008  49     10       47
  AVERAGE         69                        64      5       66

PRECIPITATION (IN)
  YESTERDAY        0.04                                      0.00
  MONTH TO DATE    0.04                                      0.00
  SINCE JUL 1      0.11                                      0.00
  SINCE JAN 1      8.38                                      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                                         1
  MONTH TO DATE   45                                        58
  SINCE SEP 1     45                                        58
  SINCE JAN 1    218                                       295
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION  SW (220)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED     9.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           700 AM
 LOWEST     56           300 PM
 AVERAGE    78

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   80        97      2002
 MINIMUM TEMPERATURE (F)   49        41      2008


SUNRISE AND SUNSET
SEPTEMBER 19 2014.....SUNRISE   654 AM PDT   SUNSET   711 PM PDT
SEPTEMBER 20 2014.....SUNRISE   655 AM PDT   SUNSET   709 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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