Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 220844
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
144 AM PDT WED MAY 22 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MAY 21 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         75   1234 PM  96    2000  73      2       73
  MINIMUM         50   1159 PM  39    2008  46      4       48
  AVERAGE         63                        60      3       61

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.00
  MONTH TO DATE    0.05                                      0.01
  SINCE JUL 1      9.54                                     17.28
  SINCE JAN 1      1.75                                     13.70

SNOWFALL (IN)
  YESTERDAY        0.0
  MONTH TO DATE    0.0
  SINCE MAR 1      0.0
  SINCE JUL 1      0.0

DEGREE DAYS
 HEATING
  YESTERDAY        2                                         4
  MONTH TO DATE   52                                       105
  SINCE MAR 1    591                                       788
  SINCE JUL 1   2796                                      3052

 COOLING
  YESTERDAY        0                                         0
  MONTH TO DATE   15                                         6
  SINCE MAR 1     18                                        13
  SINCE JAN 1     18                                        13
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  13   RESULTANT WIND DIRECTION   W (270)
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED    14.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    83          1200 AM
 LOWEST     33          1200 PM
 AVERAGE    58

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        92      2000
 MINIMUM TEMPERATURE (F)   46        35      2010


SUNRISE AND SUNSET
MAY 22 2013...........SUNRISE   553 AM PDT   SUNSET   819 PM PDT
MAY 23 2013...........SUNRISE   552 AM PDT   SUNSET   820 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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