National Weather Service Text Product
AFOS product CLIAPC
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIAPC
Product Timestamp: 2015-12-22 08:39 UTC
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924
CDUS46 KMTR 220839
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1239 AM PST TUE DEC 22 2015
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 21 2015...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2015
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 58 603 PM 71 1999 55 3 65
MINIMUM 47 309 AM 21 1998 36 11 52
AVERAGE 53 45 8 59
PRECIPITATION (IN)
YESTERDAY 0.75 0.00
MONTH TO DATE 2.61 10.14
SINCE OCT 1 4.02 12.39
SINCE JAN 1 8.12 21.04
DEGREE DAYS
HEATING
YESTERDAY 12 6
MONTH TO DATE 347 222
SINCE DEC 1 347 222
SINCE JUL 1 888 695
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 378 267
..................................................................
WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION S (190)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 10.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1200 AM
LOWEST 93 100 AM
AVERAGE 97
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 55 68 1999
MINIMUM TEMPERATURE (F) 36 19 1998
SUNRISE AND SUNSET
DECEMBER 22 2015......SUNRISE 723 AM PST SUNSET 453 PM PST
DECEMBER 23 2015......SUNRISE 723 AM PST SUNSET 453 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$