Climatological Report (Monthly) Issued by NWS
000
CXUS56 KMTR 010842
CLMAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
142 AM PDT TUE AUG 01 2023
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...THE NAPA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JULY 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 30 07/31/2017
HIGHEST 91 07/01 88 07/10
LOWEST 48 07/10 46 07/22
AVG. MAXIMUM 79.9 77.0
AVG. MINIMUM 54.9 54.6
MEAN 67.4 65.8
DAYS MAX >= 90 1 0
DAYS MAX <= 32 0 0
DAYS MIN <= 32 0 0
DAYS MIN <= 0 0 0
PRECIPITATION (INCHES)
TOTALS TR 0.01 -0.01 T
DAILY AVG. T T
DAYS >= .01 0 0
DAYS >= .10 0 0
DAYS >= .50 0 0
DAYS >= 1.00 0 0
GREATEST
24 HR. TOTAL T 07/29 TO 07/29 T 07/31 TO 07/31
07/30 TO 07/30
07/31 TO 07/31
07/13 TO 07/13
07/31 TO 07/31
DEGREE DAYS
HEATING TOTAL 7 16
SINCE 7/1 7 MM
COOLING TOTAL 93 48
SINCE 1/1 111 MM
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WIND (MPH)
AVERAGE WIND SPEED 9.4
RESULTANT WIND SPEED/DIRECTION 8/210
HIGHEST WIND SPEED/DIRECTION 24/190 DATE 07/23
HIGHEST GUST SPEED/DIRECTION 29/240 DATE 07/18
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.23
NUMBER OF DAYS FAIR 23
NUMBER OF DAYS PC 8
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 67
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 3 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 1 SLEET 0
FOG 2 FOG W/VIS <= 1/4 MILE 0
HAZE 12
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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