Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 220043
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
543 PM PDT SUN OCT 21 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR OCTOBER 21 2018...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         68    359 PM  87    1999  73     -5       73
  MINIMUM         41    225 AM  35    2004  42     -1       38
  AVERAGE         55                        58     -3       56

PRECIPITATION (IN)
  TODAY            0.00                                      0.00
  MONTH TO DATE    0.00                                      0.19
  SINCE OCT 1      0.00                                      0.19
  SINCE JAN 1     12.77                                     28.37

DEGREE DAYS
 HEATING
  TODAY           10                                         9
  MONTH TO DATE   75                                       104
  SINCE SEP 1    145                                       141
  SINCE JUL 1    186                                       151

 COOLING
  TODAY            0                                         0
  MONTH TO DATE   28                                         1
  SINCE SEP 1     30                                       133
  SINCE JAN 1    182                                       515
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION  SW (230)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    13   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED     3.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           200 AM
 LOWEST     58           200 PM
 AVERAGE    79

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        87      2008
 MINIMUM TEMPERATURE (F)   42        37      2008


SUNRISE AND SUNSET
OCTOBER 21 2018.......SUNRISE   724 AM PDT   SUNSET   623 PM PDT
OCTOBER 22 2018.......SUNRISE   725 AM PDT   SUNSET   622 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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