383
CDUS46 KMTR 090829
CLICCR
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
129 AM PDT TUE SEP 09 2025
...............................
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 8 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1999 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 80 2:28 PM 111 2022 87 -7 98
MINIMUM 62 6:26 AM 52 2001 59 3 55
AVERAGE 71 73 -2 77
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE T 0.00
SINCE OCT 1 4.30 12.46
SINCE JAN 1 2.04 9.33
DEGREE DAYS
HEATING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE SEP 1 0 0
SINCE JUL 1 0 3
COOLING
YESTERDAY 6 12
MONTH TO DATE 66 92
SINCE SEP 1 66 92
SINCE JAN 1 817 1140
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 11.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 6:00 AM
LOWEST 48 2:00 PM
AVERAGE 67
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THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 104 2015
MINIMUM TEMPERATURE (F) 59 53 2002
SUNRISE AND SUNSET
SEPTEMBER 9 2025.....SUNRISE 6:45 AM PDT SUNSET 7:25 PM PDT
SEPTEMBER 10 2025.....SUNRISE 6:46 AM PDT SUNSET 7:23 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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