National Weather Service Text Product
AFOS product CLIAPC
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIAPC
Product Timestamp: 2019-12-12 08:26 UTC
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878
CDUS46 KMTR 120826
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1226 AM PST THU DEC 12 2019
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 11 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 54 1159 PM 66 2017 56 -2 57
MINIMUM 51 934 AM 25 2013 36 15 36
AVERAGE 53 46 7 47
PRECIPITATION (IN)
YESTERDAY 0.05 0.00
MONTH TO DATE 2.95 0.64
SINCE OCT 1 3.76 1.90
SINCE JAN 1 26.42 14.67
DEGREE DAYS
HEATING
YESTERDAY 12 18
MONTH TO DATE 127 182
SINCE DEC 1 127 182
SINCE JUL 1 727 749
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 346 182
..................................................................
WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION E (90)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 9.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1100 AM
LOWEST 89 200 AM
AVERAGE 95
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 64 2018
MINIMUM TEMPERATURE (F) 36 26 2013
SUNRISE AND SUNSET
DECEMBER 12 2019......SUNRISE 716 AM PST SUNSET 449 PM PST
DECEMBER 13 2019......SUNRISE 717 AM PST SUNSET 450 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$