Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 220826
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
125 AM PDT FRI MAY 22 2015


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MAY 21 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         70    239 PM  96    2000  73     -3       73
  MINIMUM         52   1159 PM  39    2008  46      6       52
  AVERAGE         61                        60      1       63

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.00
  MONTH TO DATE    T                                          T
  SINCE OCT 1     16.26                                      9.63
  SINCE JAN 1      3.87                                      8.27

DEGREE DAYS
 HEATING
  YESTERDAY        4                                         2
  MONTH TO DATE  165                                        98
  SINCE MAR 1    754                                       652
  SINCE JUL 1   2482                                      2859

 COOLING
  YESTERDAY        0                                         0
  MONTH TO DATE    0                                         9
  SINCE MAR 1      1                                        10
  SINCE JAN 1      1                                        10
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  10   RESULTANT WIND DIRECTION   W (260)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED    10.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           300 AM
 LOWEST     52           400 PM
 AVERAGE    71

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        92      2000
 MINIMUM TEMPERATURE (F)   46        35      2013
                                             2010


SUNRISE AND SUNSET
MAY 22 2015...........SUNRISE   553 AM PDT   SUNSET   819 PM PDT
MAY 23 2015...........SUNRISE   552 AM PDT   SUNSET   820 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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