Climatological Report (Monthly) Issued by NWS
000
CXUS56 KMTR 010829
CLMAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
129 AM PDT THU JUN 01 2023
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...THE NAPA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MAY 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 101 MM
LOW 32 05/10/2022
HIGHEST 86 05/13 93 05/24
LOWEST 41 05/07 32 05/10
05/11
AVG. MAXIMUM 68.8 77.2
AVG. MINIMUM 50.2 45.3
MEAN 59.5 61.3
DAYS MAX >= 90 0 2
DAYS MAX <= 32 0 0
DAYS MIN <= 32 0 2
DAYS MIN <= 0 0 0
PRECIPITATION (INCHES)
TOTALS 0.70 0.80 -0.10 0.00
DAILY AVG. 0.02 0.00
DAYS >= .01 6 0
DAYS >= .10 3 0
DAYS >= .50 0 0
DAYS >= 1.00 0 0
GREATEST
24 HR. TOTAL 0.35 05/01 TO 05/02 0.00 04/30 TO 04/30
DEGREE DAYS
HEATING TOTAL 162 135
SINCE 7/1 2876 MM
COOLING TOTAL 6 26
SINCE 1/1 9 MM
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WIND (MPH)
AVERAGE WIND SPEED 9.6
RESULTANT WIND SPEED/DIRECTION 7/230
HIGHEST WIND SPEED/DIRECTION 26/200 DATE 05/23
HIGHEST GUST SPEED/DIRECTION 32/200 DATE 05/14
32/200 05/23
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.50
NUMBER OF DAYS FAIR 9
NUMBER OF DAYS PC 17
NUMBER OF DAYS CLOUDY 5
AVERAGE RH (PERCENT) 73
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 4
LIGHT RAIN 6 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 13 FOG W/VIS <= 1/4 MILE 3
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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