Climatological Report (Monthly) Issued by NWS
000
CXUS56 KMTR 010940
CLMAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
240 AM PDT SAT JUL 01 2023
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...THE NAPA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JUNE 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 110 MM
LOW 39 06/10/2018
06/06/2012
06/01/1954
HIGHEST 84 06/30 103 06/21
LOWEST 42 06/20 44 06/18
06/19
AVG. MAXIMUM 72.8 82.4
AVG. MINIMUM 53.5 51.8
MEAN 63.2 67.1
DAYS MAX >= 90 0 5
DAYS MAX <= 32 0 0
DAYS MIN <= 32 0 0
DAYS MIN <= 0 0 0
PRECIPITATION (INCHES)
TOTALS 0.02 0.22 -0.20 0.27
DAILY AVG. 0.00 0.01
DAYS >= .01 2 2
DAYS >= .10 0 1
DAYS >= .50 0 0
DAYS >= 1.00 0 0
GREATEST
24 HR. TOTAL 0.01 06/12 TO 06/12 0.27 06/04 TO 06/05
06/06 TO 06/06
06/12 TO 06/12
DEGREE DAYS
HEATING TOTAL 50 18
SINCE 7/1 2926 MM
COOLING TOTAL 9 89
SINCE 1/1 18 MM
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WIND (MPH)
AVERAGE WIND SPEED 10.7
RESULTANT WIND SPEED/DIRECTION 9/230
HIGHEST WIND SPEED/DIRECTION 29/200 DATE 06/05
HIGHEST GUST SPEED/DIRECTION 36/200 DATE 06/05
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.41
NUMBER OF DAYS FAIR 8
NUMBER OF DAYS PC 21
NUMBER OF DAYS CLOUDY 1
AVERAGE RH (PERCENT) 69
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 2 FOG W/VIS <= 1/4 MILE 0
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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