Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 270829
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
129 AM PDT THU APR 27 2017


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR APRIL 26 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         69    321 PM  91    2004  69      0       68
  MINIMUM         55   1159 PM  32    2009  43     12       36
  AVERAGE         62                        56      6       52

PRECIPITATION (IN)
  YESTERDAY        0.01                                      0.00
  MONTH TO DATE    3.11                                      0.94
  SINCE OCT 1     36.85                                     18.61
  SINCE JAN 1     27.90                                     14.42

DEGREE DAYS
 HEATING
  YESTERDAY        3                                        13
  MONTH TO DATE  201                                       194
  SINCE MAR 1    466                                       528
  SINCE JUL 1   2349                                      2419

 COOLING
  YESTERDAY        0                                         0
  MONTH TO DATE    0                                         0
  SINCE MAR 1      0                                         0
  SINCE JAN 1      0                                         0
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  10   RESULTANT WIND DIRECTION   W (250)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED    11.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90          1100 AM
 LOWEST     68           300 PM
 AVERAGE    79

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   70        91      2004
 MINIMUM TEMPERATURE (F)   43        35      2003


SUNRISE AND SUNSET
APRIL 27 2017.........SUNRISE   617 AM PDT   SUNSET   757 PM PDT
APRIL 28 2017.........SUNRISE   616 AM PDT   SUNSET   758 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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