Climatological Report (Daily)
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000
CDUS46 KMTR 280838
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
138 AM PDT SUN MAY 28 2017


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MAY 27 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         73    327 PM  87    2003  75     -2       82
  MINIMUM         50    514 AM  42    2012  47      3       50
  AVERAGE         62                        61      1       66

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.00
  MONTH TO DATE    T                                         0.25
  SINCE OCT 1     36.85                                     18.86
  SINCE JAN 1     27.90                                     14.67

DEGREE DAYS
 HEATING
  YESTERDAY        3                                         0
  MONTH TO DATE   92                                       137
  SINCE MAR 1    571                                       690
  SINCE JUL 1   2454                                      2581

 COOLING
  YESTERDAY        0                                         1
  MONTH TO DATE   30                                         6
  SINCE MAR 1     32                                         6
  SINCE JAN 1     32                                         6
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION   W (250)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED     8.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           200 AM
 LOWEST     53           400 PM
 AVERAGE    71

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


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 2017...........SUNRISE   549 AM PDT   SUNSET   824 PM PDT
MAY 29 2017...........SUNRISE   549 AM PDT   SUNSET   825 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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