National Weather Service Text Product
AFOS product CLIAPC
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIAPC
Product Timestamp: 2018-05-20 08:27 UTC
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307
CDUS46 KMTR 200828
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
127 AM PDT SUN MAY 20 2018
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR MAY 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 71 200 PM 88 2017 73 -2 88
MINIMUM 47 500 AM 40 2011 46 1 46
2003
AVERAGE 59 60 -1 67
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 0.00 T
SINCE OCT 1 15.79 36.85
SINCE JAN 1 12.76 27.90
DEGREE DAYS
HEATING
YESTERDAY 6 0
MONTH TO DATE 99 77
SINCE MAR 1 801 556
SINCE JUL 1 2821 2439
COOLING
YESTERDAY 0 2
MONTH TO DATE 2 23
SINCE MAR 1 2 25
SINCE JAN 1 2 25
..................................................................
WIND (MPH)
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 11.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 1200 AM
LOWEST 49 100 PM
AVERAGE 69
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 91 2013
MINIMUM TEMPERATURE (F) 46 39 2010
SUNRISE AND SUNSET
MAY 20 2018...........SUNRISE 554 AM PDT SUNSET 818 PM PDT
MAY 21 2018...........SUNRISE 553 AM PDT SUNSET 818 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$