National Weather Service Text Product
AFOS product CLIAPC
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIAPC
Product Timestamp: 2018-09-20 08:30 UTC
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160
CDUS46 KMTR 200830
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
130 AM PDT THU SEP 20 2018
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 19 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 83 301 PM 97 2002 80 3 79
MINIMUM 45 605 AM 41 2008 49 -4 45
AVERAGE 64 64 0 62
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 1 3
MONTH TO DATE 36 13
SINCE SEP 1 36 13
SINCE JUL 1 77 23
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 117
SINCE SEP 1 0 117
SINCE JAN 1 152 499
..................................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (200)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 3.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 700 AM
LOWEST 31 300 PM
AVERAGE 64
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 97 2011
MINIMUM TEMPERATURE (F) 49 38 2004
SUNRISE AND SUNSET
SEPTEMBER 20 2018.....SUNRISE 655 AM PDT SUNSET 709 PM PDT
SEPTEMBER 21 2018.....SUNRISE 656 AM PDT SUNSET 707 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$