Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 230830
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
130 AM PDT SUN JUL 23 2017


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JULY 22 2017...

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)
 YESTERDAY
  MAXIMUM         89    241 PM 106    2006  78     11       81
  MINIMUM         56    554 AM  44    2016  53      3       44
  AVERAGE         73                        65      8       63

PRECIPITATION (IN)
  YESTERDAY        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
  YESTERDAY        0                                         2
  MONTH TO DATE    2                                        34
  SINCE JUN 1     19                                        60
  SINCE JUL 1      2                                        34

 COOLING
  YESTERDAY        8                                         0
  MONTH TO DATE   92                                        17
  SINCE JUN 1    215                                        68
  SINCE JAN 1    249                                        79
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION   S (200)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED     7.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           600 AM
 LOWEST     34           200 PM
 AVERAGE    64

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   78       102      2006
 MINIMUM TEMPERATURE (F)   53        48      2000


SUNRISE AND SUNSET
JULY 23 2017..........SUNRISE   604 AM PDT   SUNSET   826 PM PDT
JULY 24 2017..........SUNRISE   605 AM PDT   SUNSET   826 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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