Climatological Report (Daily)
Issued by NWS

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CDUS46 KMTR 280826
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
126 AM PDT MON MAY 28 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MAY 27 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         77    152 PM  87    2003  75      2       73
  MINIMUM         45    458 AM  42    2012  47     -2       50
  AVERAGE         61                        61      0       62

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.00
  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                                         3
  MONTH TO DATE  127                                        92
  SINCE MAR 1    829                                       571
  SINCE JUL 1   2849                                      2454

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


WIND (MPH)
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION   S (190)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED     6.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           300 AM
 LOWEST     49           500 PM
 AVERAGE    71

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   75        92      2003
 MINIMUM TEMPERATURE (F)   47        35      2010


SUNRISE AND SUNSET
MAY 28 2018...........SUNRISE   549 AM PDT   SUNSET   824 PM PDT
MAY 29 2018...........SUNRISE   549 AM PDT   SUNSET   825 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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