National Weather Service Text Product
AFOS product CLIAPC
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIAPC
Product Timestamp: 2018-05-21 08:30 UTC
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773
CDUS46 KMTR 210830
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
130 AM PDT MON MAY 21 2018
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR MAY 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 MM MM 91 2013 73 MM 87
MINIMUM MM MM 39 2010 46 MM 49
AVERAGE MM 60 MM 68
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 MM 0
MONTH TO DATE 99 77
SINCE MAR 1 801 556
SINCE JUL 1 2821 2439
COOLING
YESTERDAY MM 3
MONTH TO DATE 2 26
SINCE MAR 1 2 28
SINCE JAN 1 2 28
..................................................................
WIND (MPH)
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION SW (230)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 11.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
RELATIVE HUMIDITY (PERCENT)
HIGHEST MM
LOWEST MM
AVERAGE MM
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 96 2000
MINIMUM TEMPERATURE (F) 46 39 2008
SUNRISE AND SUNSET
MAY 21 2018...........SUNRISE 553 AM PDT SUNSET 818 PM PDT
MAY 22 2018...........SUNRISE 553 AM PDT SUNSET 819 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$