Climatological Report (Daily)
Issued by NWS

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CDUS46 KMTR 290026
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
526 PM PDT SUN MAY 28 2017


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MAY 28 2017...
VALID TODAY AS OF 0500 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         72    352 PM  92    2003  75     -3       87
  MINIMUM         53    208 AM  35    2010  47      6       50
  AVERAGE         63                        61      2       69

PRECIPITATION (IN)
  TODAY            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
  TODAY            2                                         0
  MONTH TO DATE   94                                       137
  SINCE MAR 1    573                                       690
  SINCE JUL 1   2456                                      2581

 COOLING
  TODAY            0                                         4
  MONTH TO DATE   30                                        10
  SINCE MAR 1     32                                        10
  SINCE JAN 1     32                                        10
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION  SW (230)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED     7.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           500 AM
 LOWEST     57           400 PM
 AVERAGE    75

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   75        87      2002
 MINIMUM TEMPERATURE (F)   47        38      2006


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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