Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 260834
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
134 AM PDT THU APR 26 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR APRIL 25 2018...

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)
 YESTERDAY
  MAXIMUM         67    234 PM  87    2004  69     -2       70
  MINIMUM         43    525 AM  32    2009  43      0       51
  AVERAGE         55                        56     -1       61

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.00
  MONTH TO DATE    3.76                                      3.10
  SINCE OCT 1     15.79                                     36.84
  SINCE JAN 1     12.76                                     27.89

DEGREE DAYS
 HEATING
  YESTERDAY       10                                         4
  MONTH TO DATE  225                                       198
  SINCE MAR 1    663                                       463
  SINCE JUL 1   2683                                      2346

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


WIND (MPH)
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION   W (250)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED     9.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           700 AM
 LOWEST     63           100 PM
 AVERAGE    82

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   69        91      2004
 MINIMUM TEMPERATURE (F)   43        32      2009


SUNRISE AND SUNSET
APRIL 26 2018.........SUNRISE   619 AM PDT   SUNSET   756 PM PDT
APRIL 27 2018.........SUNRISE   617 AM PDT   SUNSET   757 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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