Climatological Report (Daily)
Issued by NWS

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
000
CDUS46 KMTR 190844
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
144 AM PDT TUE JUN 19 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JUNE 18 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         76    208 PM 103    2017  79     -3      103
  MINIMUM         52   1146 PM  43    2014  50      2       63
  AVERAGE         64                        65     -1       83

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.00
  MONTH TO DATE    T                                         0.26
  SINCE OCT 1     15.80                                     37.11
  SINCE JAN 1     12.77                                     28.16

DEGREE DAYS
 HEATING
  YESTERDAY        1                                         0
  MONTH TO DATE   40                                        17
  SINCE JUN 1     40                                        17
  SINCE JUL 1   2899                                      2478

 COOLING
  YESTERDAY        0                                        18
  MONTH TO DATE   16                                        60
  SINCE JUN 1     16                                        60
  SINCE JAN 1     21                                        94
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION  SW (240)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED     9.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           100 AM
 LOWEST     46           500 PM
 AVERAGE    70

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   79        96      2008
 MINIMUM TEMPERATURE (F)   51        43      2005


SUNRISE AND SUNSET
JUNE 19 2018..........SUNRISE   546 AM PDT   SUNSET   835 PM PDT
JUNE 20 2018..........SUNRISE   546 AM PDT   SUNSET   836 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.