National Weather Service Text Product
AFOS product CLIAPC
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIAPC
Product Timestamp: 2019-07-17 08:37 UTC
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434
CDUS46 KMTR 170837
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
137 AM PDT WED JUL 17 2019
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR JULY 16 2019...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2019
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 89 243 PM 103 2017 78 11 78
MINIMUM 59 1159 PM 48 2009 53 6 52
AVERAGE 74 65 9 65
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE T 0.00
SINCE OCT 1 25.85 15.80
SINCE JAN 1 22.65 12.77
DEGREE DAYS
HEATING
YESTERDAY 0 0
MONTH TO DATE 6 9
SINCE JUN 1 45 67
SINCE JUL 1 6 9
COOLING
YESTERDAY 9 0
MONTH TO DATE 32 45
SINCE JUN 1 100 78
SINCE JAN 1 106 83
..................................................................
WIND (MPH)
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION SW (220)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 11.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 500 AM
LOWEST 28 300 PM
AVERAGE 61
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 99 2003
MINIMUM TEMPERATURE (F) 53 47 2009
SUNRISE AND SUNSET
JULY 17 2019..........SUNRISE 559 AM PDT SUNSET 831 PM PDT
JULY 18 2019..........SUNRISE 600 AM PDT SUNSET 830 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$