Climatological Report (Monthly)
Issued by NWS

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CXUS56 KMTR 030538
CLMCCR


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1033 PM PDT THU NOV 2 2017

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

...THE CONCORD AIRPORT CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1999 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             100   MM
 LOW               42   10/26/2011
HIGHEST            92   10/26                         89  10/09
                        10/24                             10/08
LOWEST             43   10/12                         49  10/23
                                                          10/19
                                                          10/05
AVG. MAXIMUM     81.4                               74.8
AVG. MINIMUM     51.2                               53.7
MEAN             66.3                               64.3
DAYS MAX >= 90      5                                  0
DAYS MAX <= 32      0                                  0
DAYS MIN <= 32      0                                  0
DAYS MIN <= 0       0                                  0

PRECIPITATION (INCHES)
TOTALS              T              0.87   -0.87     2.61
DAILY AVG.          T                               0.08
DAYS >= .01         0                                 10
DAYS >= .10         0                                  6
DAYS >= .50         0                                  2
DAYS >= 1.00        0                                  0
GREATEST
 24 HR. TOTAL       T   10/19 TO 10/19           10/27 TO 10/28
                                                          10/31 TO 10/31
                                                          10/31 TO 10/31

DEGREE_DAYS
HEATING TOTAL      40                                 43
 SINCE 7/1         41                                 46
COOLING TOTAL      86                                 28
 SINCE 1/1       1423                               1093
..................................................

WIND (MPH)
AVERAGE WIND SPEED              4.8
RESULTANT WIND SPEED/DIRECTION   1/208
HIGHEST WIND SPEED/DIRECTION    26/280    DATE  10/19
HIGHEST GUST SPEED/DIRECTION    36/020    DATE  10/08

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.10
NUMBER OF DAYS FAIR           28
NUMBER OF DAYS PC              2
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     50

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                6     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                      8

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

$$


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