National Weather Service Text Product
AFOS product CLIAPC
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIAPC
Product Timestamp: 2018-09-21 08:26 UTC
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250
CDUS46 KMTR 210826
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
126 AM PDT FRI SEP 21 2018
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 20 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 87 348 PM 97 2011 79 8 78
MINIMUM 44 547 AM 38 2004 49 -5 51
AVERAGE 66 64 2 65
PRECIPITATION (IN)
YESTERDAY 0.00 T
MONTH TO DATE T 0.02
SINCE OCT 1 15.80 37.13
SINCE JAN 1 12.77 28.18
DEGREE DAYS
HEATING
YESTERDAY 0 0
MONTH TO DATE 36 13
SINCE SEP 1 36 13
SINCE JUL 1 77 23
COOLING
YESTERDAY 1 0
MONTH TO DATE 1 117
SINCE SEP 1 1 117
SINCE JAN 1 153 499
..................................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (200)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 4.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 400 AM
LOWEST 16 300 PM
AVERAGE 55
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 102 2003
MINIMUM TEMPERATURE (F) 48 41 2017
2012
SUNRISE AND SUNSET
SEPTEMBER 21 2018.....SUNRISE 656 AM PDT SUNSET 707 PM PDT
SEPTEMBER 22 2018.....SUNRISE 657 AM PDT SUNSET 706 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$