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
815
CDUS46 KMTR 220827
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
127 AM PDT SUN OCT 22 2017


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR OCTOBER 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         73    207 PM  87    1999  73      0       80
  MINIMUM         38    555 AM  35    2004  42     -4       46
  AVERAGE         56                        58     -2       63

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.00
  MONTH TO DATE    0.19                                      1.64
  SINCE OCT 1      0.19                                      1.64
  SINCE JAN 1     28.37                                     16.31

DEGREE DAYS
 HEATING
  YESTERDAY        9                                         2
  MONTH TO DATE  104                                        94
  SINCE SEP 1    141                                       136
  SINCE JUL 1    151                                       193

 COOLING
  YESTERDAY        0                                         0
  MONTH TO DATE    1                                         5
  SINCE SEP 1    133                                        67
  SINCE JAN 1    515                                       186
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION   W (260)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED     5.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     35           200 PM
 AVERAGE    68

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        87      2008
 MINIMUM TEMPERATURE (F)   42        37      2008


SUNRISE AND SUNSET
OCTOBER 22 2017.......SUNRISE   725 AM PDT   SUNSET   621 PM PDT
OCTOBER 23 2017.......SUNRISE   726 AM PDT   SUNSET   620 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.