Climatological Report (Daily)
Issued by NWS

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CDUS46 KMTR 260835
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
135 AM PDT FRI MAY 26 2017


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MAY 25 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         67    132 PM  83    2014  74     -7       71
  MINIMUM         55   1128 PM  42    2010  47      8       53
                                      2001
  AVERAGE         61                        60      1       62

PRECIPITATION (IN)
  YESTERDAY        T                                         0.00
  MONTH TO DATE    T                                         0.25
  SINCE OCT 1     36.85                                     18.86
  SINCE JAN 1     27.90                                     14.67

DEGREE DAYS
 HEATING
  YESTERDAY        4                                         3
  MONTH TO DATE   86                                       133
  SINCE MAR 1    565                                       686
  SINCE JUL 1   2448                                      2577

 COOLING
  YESTERDAY        0                                         0
  MONTH TO DATE   30                                         5
  SINCE MAR 1     32                                         5
  SINCE JAN 1     32                                         5
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  12   RESULTANT WIND DIRECTION  SW (220)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED    14.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    77          1200 AM
 LOWEST     56           400 PM
 AVERAGE    67

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


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 2017...........SUNRISE   550 AM PDT   SUNSET   823 PM PDT
MAY 27 2017...........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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