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000
CXUS56 KMTR 050528
CLMCCR

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1028 PM PDT WED OCT 04 2023

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

...THE CONCORD AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1999 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            112   MM
 LOW              45   09/29/2007
HIGHEST           91   09/09                         112  09/05
                       09/11
                                                          09/06
LOWEST            51   09/24                          52  09/27
AVG. MAXIMUM    80.8                                88.6
AVG. MINIMUM    58.1                                60.3
MEAN            69.5                                74.5
DAYS MAX >= 90     2                                  13
DAYS MAX <= 32     0                                   0
DAYS MIN <= 32     0                                   0
DAYS MIN <= 0      0                                   0

PRECIPITATION (INCHES)
TOTALS          0.01               0.06   -0.05     0.17
DAILY AVG.      0.00                                0.01
DAYS >= .01        1                                   3
DAYS >= .10        0                                   1
DAYS >= .50        0                                   0
DAYS >= 1.00       0                                   0
GREATEST
 24 HR. TOTAL   0.01   09/30 TO 09/30               0.12  09/18 TO 09/18


DEGREE DAYS
HEATING TOTAL      3                                   0
 SINCE 7/1         7                                  MM
COOLING TOTAL    131                                 292
 SINCE 1/1       900                                  MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.2
RESULTANT WIND SPEED/DIRECTION   6/240
HIGHEST WIND SPEED/DIRECTION    24/200    DATE  09/01
HIGHEST GUST SPEED/DIRECTION    32/190    DATE  09/01

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.16
NUMBER OF DAYS FAIR           24
NUMBER OF DAYS PC              5
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     60

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

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

$$