Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 220825
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
125 AM PDT MON SEP 22 2014


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR SEPTEMBER 21 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         80    215 PM 102    2003  79      1       71
  MINIMUM         61   1159 PM  41    2012  48     13       53
  AVERAGE         71                        64      7       62

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.82
  MONTH TO DATE    0.04                                      0.82
  SINCE JUL 1      0.11                                      0.82
  SINCE JAN 1      8.38                                      2.79

DEGREE DAYS
 HEATING
  YESTERDAY        0                                         3
  MONTH TO DATE    6                                         8
  SINCE SEP 1      6                                         8
  SINCE JUL 1     28                                        44

 COOLING
  YESTERDAY        6                                         0
  MONTH TO DATE   54                                        60
  SINCE SEP 1     54                                        60
  SINCE JAN 1    227                                       297
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  12   RESULTANT WIND DIRECTION   W (260)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED    13.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90          1200 AM
 LOWEST     47           200 PM
 AVERAGE    69

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   79        99      2003
 MINIMUM TEMPERATURE (F)   48        40      2005


SUNRISE AND SUNSET
SEPTEMBER 22 2014.....SUNRISE   657 AM PDT   SUNSET   706 PM PDT
SEPTEMBER 23 2014.....SUNRISE   658 AM PDT   SUNSET   704 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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