Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 210828
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
127 AM PDT SAT JUL 21 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JULY 20 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         79    118 PM  89    2011  78      1       82
  MINIMUM         50    440 AM  47    2016  53     -3       54
  AVERAGE         65                        65      0       68

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.00
  MONTH TO DATE    0.00                                       T
  SINCE OCT 1     15.80                                     37.11
  SINCE JAN 1     12.77                                     28.16

DEGREE DAYS
 HEATING
  YESTERDAY        0                                         0
  MONTH TO DATE    9                                         2
  SINCE JUN 1     67                                        19
  SINCE JUL 1      9                                         2

 COOLING
  YESTERDAY        0                                         3
  MONTH TO DATE   49                                        82
  SINCE JUN 1     82                                       205
  SINCE JAN 1     87                                       239
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  10   RESULTANT WIND DIRECTION   S (200)
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     S (180)
  AVERAGE WIND SPEED    10.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           400 AM
 LOWEST     53           500 PM
 AVERAGE    75

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   78        94      2012
 MINIMUM TEMPERATURE (F)   53        48      2001


SUNRISE AND SUNSET
JULY 21 2018..........SUNRISE   603 AM PDT   SUNSET   828 PM PDT
JULY 22 2018..........SUNRISE   603 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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