Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 280831
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
131 AM PDT THU MAY 28 2015


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MAY 27 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         69    400 PM  87    2003  75     -6       80
  MINIMUM         51   1128 PM  42    2012  47      4       47
  AVERAGE         60                        61     -1       64

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.00
  MONTH TO DATE    T                                          T
  SINCE OCT 1     16.26                                      9.63
  SINCE JAN 1      3.87                                      8.27

DEGREE DAYS
 HEATING
  YESTERDAY        5                                         1
  MONTH TO DATE  196                                       111
  SINCE MAR 1    785                                       665
  SINCE JUL 1   2513                                      2872

 COOLING
  YESTERDAY        0                                         0
  MONTH TO DATE    0                                        10
  SINCE MAR 1      1                                        11
  SINCE JAN 1      1                                        11
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  10   RESULTANT WIND DIRECTION   W (250)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED    11.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96          1000 PM
 LOWEST     55           400 PM
 AVERAGE    76

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   75        92      2003
 MINIMUM TEMPERATURE (F)   47        35      2010


SUNRISE AND SUNSET
MAY 28 2015...........SUNRISE   549 AM PDT   SUNSET   824 PM PDT
MAY 29 2015...........SUNRISE   549 AM PDT   SUNSET   824 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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