Climatological Report (Monthly)
Issued by NWS

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CXUS56 KMTR 011620
CLMCCR


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
816 AM PST THU FEB 1 2018

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

...THE CONCORD AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1999 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              77   MM
 LOW               26   01/13/2013
HIGHEST            70   01/31                         64  01/08
LOWEST             36   01/20                         31  01/06
AVG. MAXIMUM     60.8                               56.7
AVG. MINIMUM     44.7                               41.3
MEAN             52.8                               49.0
DAYS MAX >= 90      0                                  0
DAYS MAX <= 32      0                                  0
DAYS MIN <= 32      0                                  1
DAYS MIN <= 0       0                                  0

PRECIPITATION (INCHES)
TOTALS           3.20              3.27   -0.07     8.50
DAILY AVG.       0.10                               0.27
DAYS >= .01         8                                 15
DAYS >= .10         6                                 13
DAYS >= .50         2                                  7
DAYS >= 1.00        1                                  2
GREATEST
 24 HR. TOTAL    1.88   01/08 TO 01/08           01/10 TO 01/10

DEGREE_DAYS
HEATING TOTAL     371                                488
 SINCE 7/1       1063                               1283
COOLING TOTAL       0                                  0
 SINCE 1/1          0                                  0
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              4.2
RESULTANT WIND SPEED/DIRECTION   0/171
HIGHEST WIND SPEED/DIRECTION    26/250    DATE  01/24
HIGHEST GUST SPEED/DIRECTION    35/250    DATE  01/24

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           11
NUMBER OF DAYS PC             12
NUMBER OF DAYS CLOUDY          8

AVERAGE RH (PERCENT)     79

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

$$



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