Climatological Report (Monthly)
Issued by NWS

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258
CXUS56 KMTR 010841
CLMCCR

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1241 AM PST MON DEC 01 2025

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

...THE CONCORD AIRPORT CLIMATE SUMMARY FOR THE MONTH OF NOVEMBER 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
................................................................
TEMPERATURE (F)
RECORD
 HIGH             87   MM
 LOW              29   11/29/2015
HIGHEST           79   11/02                          76  11/04
                       11/10
LOWEST            41   11/26                          35  11/29
AVG. MAXIMUM    65.0                                65.0
AVG. MINIMUM    48.7                                44.1
MEAN            56.9                                54.6
DAYS MAX >= 90     0                                   0
DAYS MAX <= 32     0                                   0
DAYS MIN <= 32     0                                   0
DAYS MIN <= 0      0                                   0

PRECIPITATION (INCHES)
TOTALS          1.24               1.61   -0.37     0.78
DAILY AVG.      0.04                                0.03
DAYS >= .01        4                                   6
DAYS >= .10        3                                   2
DAYS >= .50        1                                   1
DAYS >= 1.00       0                                   0
GREATEST
 24 HR. TOTAL   0.63   11/13 TO 11/13               0.60  11/22 TO 11/23


DEGREE DAYS
HEATING TOTAL    237                                 306
 SINCE 7/1       297                                  MM
COOLING TOTAL      0                                   0
 SINCE 1/1      1035                                  MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              4.3
RESULTANT WIND SPEED/DIRECTION   1/160
HIGHEST WIND SPEED/DIRECTION    29/190    DATE  11/05
HIGHEST GUST SPEED/DIRECTION    42/170    DATE  11/05

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.52
NUMBER OF DAYS FAIR           11
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY          9

AVERAGE RH (PERCENT)     77

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       2
LIGHT RAIN                9     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      20     FOG W/VIS <= 1/4 MILE      6
HAZE                      8

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

$$