National Weather Service Text Product
AFOS product CLIAPC
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIAPC
Product Timestamp: 2018-08-31 08:33 UTC
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663
CDUS46 KMTR 310833
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
133 AM PDT FRI AUG 31 2018
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR AUGUST 30 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 74 453 PM 95 2007 81 -7 79
MINIMUM 56 1159 PM 44 2010 52 4 51
AVERAGE 65 66 -1 65
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 0.00 T
SINCE OCT 1 15.80 37.11
SINCE JAN 1 12.77 28.16
DEGREE DAYS
HEATING
YESTERDAY 0 0
MONTH TO DATE 24 2
SINCE JUN 1 99 27
SINCE JUL 1 41 10
COOLING
YESTERDAY 0 0
MONTH TO DATE 41 106
SINCE JUN 1 147 340
SINCE JAN 1 152 374
..................................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SW (230)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 7.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1200 AM
LOWEST 46 100 PM
AVERAGE 70
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 97 2017
MINIMUM TEMPERATURE (F) 52 42 2008
SUNRISE AND SUNSET
AUGUST 31 2018........SUNRISE 638 AM PDT SUNSET 740 PM PDT
SEPTEMBER 1 2018.....SUNRISE 639 AM PDT SUNSET 739 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$