National Weather Service Text Product
AFOS product CLIAPC
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIAPC
Product Timestamp: 2019-10-18 08:27 UTC
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419
CDUS46 KMTR 180828
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
127 AM PDT FRI OCT 18 2019
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR OCTOBER 17 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 74 152 PM 87 2012 74 0 74
2008
MINIMUM 43 1145 PM 37 2006 43 0 39
AVERAGE 59 58 1 57
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 0.00 0.00
SINCE OCT 1 0.00 0.00
SINCE JAN 1 22.66 12.77
DEGREE DAYS
HEATING
YESTERDAY 6 8
MONTH TO DATE 81 47
SINCE SEP 1 121 117
SINCE JUL 1 136 158
COOLING
YESTERDAY 0 0
MONTH TO DATE 2 28
SINCE SEP 1 76 30
SINCE JAN 1 334 182
..................................................................
WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION W (270)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 10.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 100 AM
LOWEST 29 100 PM
AVERAGE 61
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 90 2012
MINIMUM TEMPERATURE (F) 43 37 2017
1998
SUNRISE AND SUNSET
OCTOBER 18 2019.......SUNRISE 721 AM PDT SUNSET 627 PM PDT
OCTOBER 19 2019.......SUNRISE 722 AM PDT SUNSET 626 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$