Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 280045
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
545 PM PDT THU JUL 27 2017


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JULY 27 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         84    240 PM  89    2015  78      6       86
  MINIMUM         55    547 AM  49    2015  52      3       51
                                      2000
  AVERAGE         70                        65      5       69

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                                        34
  SINCE JUN 1     19                                        60
  SINCE JUL 1      2                                        34

 COOLING
  TODAY            5                                         4
  MONTH TO DATE  111                                        31
  SINCE JUN 1    234                                        82
  SINCE JAN 1    268                                        93
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION  SW (210)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     6.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86          1200 AM
 LOWEST     43           100 PM
 AVERAGE    65

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   78        96      2015
 MINIMUM TEMPERATURE (F)   52        49      2016


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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