431
CDUS46 KMTR 170830
CLICCR
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
130 AM PDT WED SEP 17 2025
...............................
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 16 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 94R 3:18 PM 91 2004 85 9 73
MINIMUM 61 6:19 AM 49 2006 58 3 57
2012
AVERAGE 78 72 6 65
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 1
SINCE SEP 1 0 1
SINCE JUL 1 0 4
COOLING
YESTERDAY 13 0
MONTH TO DATE 127 131
SINCE SEP 1 127 131
SINCE JAN 1 878 1179
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION NW (310)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 4.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 75 5:00 AM
LOWEST 22 5:00 PM
AVERAGE 49
......................................................
THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 97 2000
MINIMUM TEMPERATURE (F) 58 51 2001
SUNRISE AND SUNSET
SEPTEMBER 17 2025.....SUNRISE 6:52 AM PDT SUNSET 7:12 PM PDT
SEPTEMBER 18 2025.....SUNRISE 6:53 AM PDT SUNSET 7:11 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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