479
CXUS56 KMTR 010836
CLMCCR

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
136 AM PDT SUN NOV 01 2026

...................................

...THE CONCORD AIRPORT CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1999 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            103   MM
 LOW              39   10/31/2019
HIGHEST           99   10/06                          91  10/07
LOWEST            45   10/24                          47  10/28
AVG. MAXIMUM    79.6                                74.7
AVG. MINIMUM    53.2                                53.2
MEAN            66.4                                63.9
DAYS MAX >= 90     9                                   1
DAYS MAX <= 32     0                                   0
DAYS MIN <= 32     0                                   0
DAYS MIN <= 0      0                                   0

PRECIPITATION (INCHES)
TOTALS          0.32               0.73   -0.41     0.48
DAILY AVG.      0.01                                0.02
DAYS >= .01        2                                   3
DAYS >= .10        1                                   1
DAYS >= .50        0                                   0
DAYS >= 1.00       0                                   0
GREATEST
 24 HR. TOTAL   0.31   10/21 TO 10/22               0.40  10/13 TO 10/13


DEGREE DAYS
HEATING TOTAL     74                                  60
 SINCE 7/1        75                                  MM
COOLING TOTAL    125                                  35
 SINCE 1/1      1155                                  MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              4.8
RESULTANT WIND SPEED/DIRECTION   2/210
HIGHEST WIND SPEED/DIRECTION    21/190    DATE  10/10
                                21/210          10/11
HIGHEST GUST SPEED/DIRECTION    28/170    DATE  10/10

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.09
NUMBER OF DAYS FAIR           29
NUMBER OF DAYS PC              1
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     57

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       1
LIGHT RAIN                2     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       4     FOG W/VIS <= 1/4 MILE      0
HAZE                      4

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$