National Weather Service Text Product
AFOS product CLIAPC
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIAPC
Product Timestamp: 2018-04-17 08:45 UTC
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622
CDUS46 KMTR 170845
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
145 AM PDT TUE APR 17 2018
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR APRIL 16 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 57 310 PM 83 1999 68 -11 57
MINIMUM 38 1159 PM 29 2008 41 -3 45
AVERAGE 48 55 -7 51
PRECIPITATION (IN)
YESTERDAY 0.44 0.48
MONTH TO DATE 3.76 2.71
SINCE OCT 1 15.79 36.45
SINCE JAN 1 12.76 27.50
DEGREE DAYS
HEATING
YESTERDAY 17 14
MONTH TO DATE 152 144
SINCE MAR 1 590 409
SINCE JUL 1 2610 2292
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE MAR 1 0 0
SINCE JAN 1 0 0
..................................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (270)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 7.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 500 AM
LOWEST 66 100 PM
AVERAGE 80
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 81 2016
MINIMUM TEMPERATURE (F) 42 32 2004
SUNRISE AND SUNSET
APRIL 17 2018.........SUNRISE 631 AM PDT SUNSET 747 PM PDT
APRIL 18 2018.........SUNRISE 629 AM PDT SUNSET 748 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$