Climatological Report (Monthly) Issued by NWS
000
CXUS56 KMTR 010843
CLMAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
143 AM PDT FRI SEP 01 2023
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...THE NAPA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2023...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2023
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 106 MM
LOW 45 08/02/2013
08/27/2012
01/04/2000
HIGHEST 96 08/30 97 08/16
LOWEST 49 08/28 50 08/13
AVG. MAXIMUM 81.6 82.1
AVG. MINIMUM 58.3 56.5
MEAN 69.9 69.3
DAYS MAX >= 90 4 2
DAYS MAX <= 32 0 0
DAYS MIN <= 32 0 0
DAYS MIN <= 0 0 0
PRECIPITATION (INCHES)
TOTALS 0.00R 0.02 -0.02 0.01
DAILY AVG. 0.00 0.00
DAYS >= .01 0 1
DAYS >= .10 0 0
DAYS >= .50 0 0
DAYS >= 1.00 0 0
GREATEST
24 HR. TOTAL T 08/01 TO 08/01 0.01 08/01 TO 08/01
08/07 TO 08/07
08/31 TO 08/31
DEGREE DAYS
HEATING TOTAL 1 0
SINCE 7/1 8 MM
COOLING TOTAL 162 140
SINCE 1/1 273 MM
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WIND (MPH)
AVERAGE WIND SPEED 8.7
RESULTANT WIND SPEED/DIRECTION 7/210
HIGHEST WIND SPEED/DIRECTION MM DATE MM
HIGHEST GUST SPEED/DIRECTION MM DATE MM
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.24
NUMBER OF DAYS FAIR 20
NUMBER OF DAYS PC 11
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 67
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 2 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 6 FOG W/VIS <= 1/4 MILE 2
HAZE 6
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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