Climatological Report (Daily)
Issued by NWS

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023
CDUS46 KMTR 240045
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
444 PM PST THU NOV 23 2017


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR NOVEMBER 23 2017...
VALID TODAY AS OF 0400 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         65    359 PM  72    2007  61      4       61
  MINIMUM         45    519 AM  23    2003  38      7       36
  AVERAGE         55                        49      6       49

PRECIPITATION (IN)
  TODAY            0.00                                      0.02
  MONTH TO DATE    2.27                                      0.49
  SINCE OCT 1      2.46                                      4.30
  SINCE JAN 1     30.64                                     18.97

DEGREE DAYS
 HEATING
  TODAY           10                                        16
  MONTH TO DATE  248                                       175
  SINCE SEP 1    430                                       349
  SINCE JUL 1    440                                       406

 COOLING
  TODAY            0                                         0
  MONTH TO DATE    0                                         0
  SINCE SEP 1    148                                        67
  SINCE JAN 1    530                                       186
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   0   RESULTANT WIND DIRECTION  NW (320)
  HIGHEST WIND SPEED     6   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED     7   HIGHEST GUST DIRECTION     N (20)
  AVERAGE WIND SPEED     1.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           400 AM
 LOWEST     73           300 PM
 AVERAGE    87

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   60        66      2014
                                             2012
                                             2009
 MINIMUM TEMPERATURE (F)   38        24      2007


SUNRISE AND SUNSET
NOVEMBER 23 2017......SUNRISE   659 AM PST   SUNSET   452 PM PST
NOVEMBER 24 2017......SUNRISE   700 AM PST   SUNSET   451 PM PST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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