National Weather Service Weather Forecast Office

CXUS53 KDVN 031920
CLAMLI


CLIMATE REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL                           
120 PM CST TUE JAN 3 2012

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

...THE MOLINE IL CLIMATE SUMMARY FOR THE YEAR OF 2011...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1872 TO 2012

WEATHER         OBSERVED          NORMAL  DEPART                      
                 VALUE   DATE(S)  VALUE   FROM                        
                                          NORMAL                      
................................................
TEMPERATURE (F)
RECORD
 HIGH             111   07/14/1936                                    
 LOW              -28   02/03/1996                                    
HIGHEST           100   07/19        87      13                       
LOWEST            -17   02/03        11     -28                       
AVG. MAXIMUM     60.7              60.7     0.0                       
AVG. MINIMUM     41.7              40.8     0.9                       
MEAN             51.2              50.7     0.5                       
DAYS MAX >= 90     29              19.8     9.2                       
DAYS MAX <= 32     44              43.0     1.0                       
DAYS MIN <= 32    128             126.9     1.1                       
DAYS MIN <= 0       9              10.3    -1.3                       

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        56.36   1973                                          
 MINIMUM        17.33   1901                                          
TOTALS          34.83             37.96   -3.13                       
DAILY AVG.       0.10              0.10    0.00                       
DAYS >= .01       118             117.1     0.9                       
DAYS >= .10        63                                                 
DAYS >= .50        25                                                 
DAYS >= 1.00        8               9.2    -1.2                       
GREATEST
 24 HR. TOTAL    1.76   05/25 TO 05/26                                

SNOWFALL (INCHES)
RECORDS
 TOTAL           71.1   1997                                          
TOTALS           30.7              31.6    -0.9                       
SINCE 7/1         1.4              10.5    -9.1                       
SNOWDEPTH AVG.      1                                                 
DAYS >= TRACE      38              25.1    12.9                       
DAYS >= 1.0         7               9.7    -2.7                       
GREATEST
 SNOW DEPTH        14   02/02                                         
 24 HR TOTAL     16.7R  02/01 TO 02/02                                

DEGREE_DAYS
HEATING TOTAL    6022              6204    -182                       
COOLING TOTAL    1126              1005     121                       

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

WIND (MPH)
AVERAGE WIND SPEED              8.0
HIGHEST WIND SPEED/DIRECTION    48/300    DATE  06/09
HIGHEST GUST SPEED/DIRECTION    63/280    DATE  06/09

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM                                      
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR          205
NUMBER OF DAYS PC             96
NUMBER OF DAYS CLOUDY         64

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH 
THUNDERSTORM             48     HAIL                       1
SLEET                     3     FOG                      189
FOG W/VIS <= 1/4 MILE    11     HAZE                     104
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          

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