Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 260837
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
137 AM PDT SAT MAY 26 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MAY 25 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         67    235 PM  83    2014  74     -7       67
  MINIMUM         54    947 PM  42    2010  47      7       55
                                      2001
  AVERAGE         61                        60      1       61

PRECIPITATION (IN)
  YESTERDAY        0.01                                       T
  MONTH TO DATE    0.01                                       T
  SINCE OCT 1     15.80                                     36.85
  SINCE JAN 1     12.77                                     27.90

DEGREE DAYS
 HEATING
  YESTERDAY        4                                         4
  MONTH TO DATE  118                                        86
  SINCE MAR 1    820                                       565
  SINCE JUL 1   2840                                      2448

 COOLING
  YESTERDAY        0                                         0
  MONTH TO DATE    2                                        30
  SINCE MAR 1      2                                        32
  SINCE JAN 1      2                                        32
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION  SW (240)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED    10.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           600 AM
 LOWEST     52           200 PM
 AVERAGE    73

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   75        84      2014
 MINIMUM TEMPERATURE (F)   47        40      2011
                                             1998


SUNRISE AND SUNSET
MAY 26 2018...........SUNRISE   550 AM PDT   SUNSET   822 PM PDT
MAY 27 2018...........SUNRISE   550 AM PDT   SUNSET   823 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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