Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 270904
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
204 AM PDT THU JUL 27 2017


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JULY 26 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         83    222 PM  93    2008  78      5       92
  MINIMUM         57   1229 AM  48    2016  53      4       48
  AVERAGE         70                        65      5       70

PRECIPITATION (IN)
  YESTERDAY        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
  YESTERDAY        0                                         0
  MONTH TO DATE    2                                        34
  SINCE JUN 1     19                                        60
  SINCE JUL 1      2                                        34

 COOLING
  YESTERDAY        5                                         5
  MONTH TO DATE  106                                        27
  SINCE JUN 1    229                                        78
  SINCE JAN 1    263                                        89
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION  SW (230)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED     9.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86          1200 AM
 LOWEST     42           400 PM
 AVERAGE    64

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   78        89      2015
 MINIMUM TEMPERATURE (F)   52        49      2015
                                             2000


SUNRISE AND SUNSET
JULY 27 2017..........SUNRISE   608 AM PDT   SUNSET   823 PM PDT
JULY 28 2017..........SUNRISE   609 AM PDT   SUNSET   822 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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