National Weather Service Text Product
AFOS product CLIAPC
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIAPC
Product Timestamp: 2018-09-17 08:26 UTC
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994
CDUS46 KMTR 170826
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
126 AM PDT MON SEP 17 2018
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 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 78 310 PM 85 2004 80 -2 76
MINIMUM 39 346 AM 38 2006 49 -10 45
AVERAGE 59 65 -6 61
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE T 0.02
SINCE OCT 1 15.80 37.13
SINCE JAN 1 12.77 28.18
DEGREE DAYS
HEATING
YESTERDAY 6 4
MONTH TO DATE 31 7
SINCE SEP 1 31 7
SINCE JUL 1 72 17
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 115
SINCE SEP 1 0 115
SINCE JAN 1 152 497
..................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (230)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 5.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 300 AM
LOWEST 36 200 PM
AVERAGE 68
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 94 2000
MINIMUM TEMPERATURE (F) 49 42 2006
SUNRISE AND SUNSET
SEPTEMBER 17 2018.....SUNRISE 653 AM PDT SUNSET 714 PM PDT
SEPTEMBER 18 2018.....SUNRISE 653 AM PDT SUNSET 712 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$