Climatological Report (Monthly)
Issued by NWS
Issued by NWS
444
CXUS56 KMTR 011102
CLMCCR
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
402 AM PDT MON SEP 01 2025
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...THE CONCORD AIRPORT CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1999 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 107 MM
LOW 52 08/24/2012
HIGHEST 101 08/21 100 08/03
LOWEST 56 08/02 57 08/05
08/06
08/25
AVG. MAXIMUM 89.9 89.5
AVG. MINIMUM 59.6 59.6
MEAN 74.8 74.5
DAYS MAX >= 90 13 16
DAYS MAX <= 32 0 0
DAYS MIN <= 32 0 0
DAYS MIN <= 0 0 0
PRECIPITATION (INCHES)
TOTALS 0.00R 0.02 -0.02 T
DAILY AVG. 0.00 T
DAYS >= .01 0 0
DAYS >= .10 0 0
DAYS >= .50 0 0
DAYS >= 1.00 0 0
GREATEST
24 HR. TOTAL 0.00 07/31 TO 07/31 T 08/02 TO 08/02
08/24 TO 08/24
08/02 TO 08/02
DEGREE DAYS
HEATING TOTAL 0 0
SINCE 7/1 0 MM
COOLING TOTAL 311 301
SINCE 1/1 751 MM
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WIND (MPH)
AVERAGE WIND SPEED 9.8
RESULTANT WIND SPEED/DIRECTION 6/230
HIGHEST WIND SPEED/DIRECTION 25/200 DATE 08/05
HIGHEST GUST SPEED/DIRECTION 33/210 DATE 08/15
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.03
NUMBER OF DAYS FAIR 30
NUMBER OF DAYS PC 1
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 55
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 0 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 0 FOG W/VIS <= 1/4 MILE 0
HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$