Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 220052
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
552 PM PDT FRI JUL 21 2017


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JULY 21 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         83    326 PM  94    2012  78      5       80
  MINIMUM         50    529 AM  48    2001  53     -3       50
  AVERAGE         67                        65      2       65

PRECIPITATION (IN)
  TODAY            0.00                                      0.00
  MONTH TO DATE    T                                         0.00
  SINCE OCT 1     37.11                                     18.86
  SINCE JAN 1     28.16                                     14.67

DEGREE DAYS
 HEATING
  TODAY            0                                         0
  MONTH TO DATE    2                                        32
  SINCE JUN 1     19                                        58
  SINCE JUL 1      2                                        32

 COOLING
  TODAY            2                                         0
  MONTH TO DATE   84                                        17
  SINCE JUN 1    207                                        68
  SINCE JAN 1    241                                        79
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION  SW (210)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED     9.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    83           500 AM
 LOWEST     37           100 PM
 AVERAGE    60

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   78       106      2006
 MINIMUM TEMPERATURE (F)   53        44      2016


SUNRISE AND SUNSET
JULY 21 2017..........SUNRISE   603 AM PDT   SUNSET   828 PM PDT
JULY 22 2017..........SUNRISE   604 AM PDT   SUNSET   827 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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