Climatological Report (Daily)
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
621
CDUS46 KMTR 220825
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
125 AM PDT TUE AUG 22 2017


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR AUGUST 21 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         77    418 PM  90    2009  80     -3       76
  MINIMUM         58   1155 PM  47    2001  52      6       56
  AVERAGE         68                        66      2       66

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                                        17
  SINCE JUN 1     27                                        80
  SINCE JUL 1     10                                        54

 COOLING
  YESTERDAY        3                                         1
  MONTH TO DATE   68                                        13
  SINCE JUN 1    302                                        98
  SINCE JAN 1    336                                       109
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  11   RESULTANT WIND DIRECTION   W (250)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED    12.4


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    84          1200 AM
 LOWEST     57           100 PM
 AVERAGE    71

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   80        97      1999
 MINIMUM TEMPERATURE (F)   52        45      2006


SUNRISE AND SUNSET
AUGUST 22 2017........SUNRISE   630 AM PDT   SUNSET   753 PM PDT
AUGUST 23 2017........SUNRISE   631 AM PDT   SUNSET   751 PM PDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$




USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.