Climatological Report (Monthly) Issued by NWS
000
CXUS56 KMTR 010900
CLMCCR
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
200 AM PDT SUN OCT 01 2023
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...THE CONCORD AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1999 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 112 MM
LOW 1 09/04/2023
HIGHEST 91 09/09 112 09/05
09/11
09/06
LOWEST 1R 09/04 52 09/27
AVG. MAXIMUM 80.9 88.6
AVG. MINIMUM 56.2 60.3
MEAN 68.5 74.5
DAYS MAX >= 90 2 13
DAYS MAX <= 32 0 0
DAYS MIN <= 32 1 0
DAYS MIN <= 0 0 0
PRECIPITATION (INCHES)
TOTALS 0.01 0.06 -0.05 0.17
DAILY AVG. 0.00 0.01
DAYS >= .01 1 3
DAYS >= .10 0 1
DAYS >= .50 0 0
DAYS >= 1.00 0 0
GREATEST
24 HR. TOTAL 0.01 09/30 TO 09/30 0.12 09/18 TO 09/18
DEGREE DAYS
HEATING TOTAL 26 0
SINCE 7/1 30 MM
COOLING TOTAL 131 292
SINCE 1/1 900 MM
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WIND (MPH)
AVERAGE WIND SPEED 8.2
RESULTANT WIND SPEED/DIRECTION 6/240
HIGHEST WIND SPEED/DIRECTION 24/200 DATE 09/01
HIGHEST GUST SPEED/DIRECTION 32/190 DATE 09/01
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.16
NUMBER OF DAYS FAIR 24
NUMBER OF DAYS PC 5
NUMBER OF DAYS CLOUDY 1
AVERAGE RH (PERCENT) 60
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 1
LIGHT RAIN 0 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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