National Weather Service Text Product
AFOS product CLIAPC
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIAPC
Product Timestamp: 2018-09-23 08:38 UTC
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147
CDUS46 KMTR 230838
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
138 AM PDT SUN SEP 23 2018
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 22 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 74 314 PM 99 2003 79 -5 73
MINIMUM 44 350 AM 39 2017 48 -4 39
AVERAGE 59 64 -5 56
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 9
MONTH TO DATE 45 29
SINCE SEP 1 45 29
SINCE JUL 1 86 39
COOLING
YESTERDAY 0 0
MONTH TO DATE 1 117
SINCE SEP 1 1 117
SINCE JAN 1 153 499
..................................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SE (120)
AVERAGE WIND SPEED 6.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 400 AM
LOWEST 49 300 PM
AVERAGE 75
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 94 2002
MINIMUM TEMPERATURE (F) 48 39 2005
SUNRISE AND SUNSET
SEPTEMBER 23 2018.....SUNRISE 658 AM PDT SUNSET 704 PM PDT
SEPTEMBER 24 2018.....SUNRISE 659 AM PDT SUNSET 703 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$