National Weather Service Weather Forecast Office

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TTAA00 KCHI 042035

CLIMATE REPORT...CORRECTION
NATIONAL WEATHER SERVICE QUAD CITIES IA IL                           
235 PM CST MON JAN 4 2010

...CORRECTED SNOWFALL SECTION...

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

...THE DUBUQUE IA CLIMATE SUMMARY FOR THE YEAR OF 2009...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1873 TO 2010

WEATHER         OBSERVED          NORMAL  DEPART                      
                 VALUE   DATE(S)  VALUE   FROM                        
                                          NORMAL                      
................................................
TEMPERATURE (F)
RECORD
 HIGH             110   07/14/1936                                    
 LOW              -32   01/07/1887                                    
HIGHEST            92   06/23        83       9                       
LOWEST            -30   01/16         8     -38                       
AVG. MAXIMUM     54.7              56.0    -1.3                       
AVG. MINIMUM     36.6              37.7    -1.1                       
MEAN             45.7              46.9    -1.2                       
DAYS MAX >= 90      2               8.2    -6.2                       
DAYS MAX <= 32     73              66.0     7.0                       
DAYS MIN <= 32    140             145.7    -5.7                       
DAYS MIN <= 0      20              19.9     0.1                       

PRECIPITATION (INCHES)
TOTALS          47.31             35.52   11.79                       
DAILY AVG.       0.13              0.10    0.03                       
DAYS >= .01       122             120.6     1.4                       
DAYS >= .10        79                                                 
DAYS >= .50        29                                                 
DAYS >= 1.00       16               7.0     9.0                       
GREATEST
 24 HR. TOTAL    2.48   04/25 TO 04/26                                

SNOWFALL (INCHES)
TOTALS           45.4              45.2     0.2                       
SINCE 7/1        20.5              15.1     5.4                       
SNOWDEPTH AVG.      1                                                 
DAYS >= TRACE      52              32.0    20.0                       
DAYS >= 1.0        14              13.7     0.3                       
GREATEST
 SNOW DEPTH        11   01/15                                         
                        01/14                                         
 24 HR TOTAL      9.0   12/08 TO 12/09                                

DEGREE_DAYS
HEATING TOTAL    7278              7270       8                       
 SINCE 7/1       2799              2838     -39                       
COOLING TOTAL     333               656    -323                       
 SINCE 1/1        333               656    -323                       
.................................................

WIND (MPH)
AVERAGE WIND SPEED              9.1
HIGHEST WIND SPEED/DIRECTION    41/280    DATE  06/19
HIGHEST GUST SPEED/DIRECTION    66/330    DATE  08/09

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM                                      

NUMBER OF DAYS FAIR          179
NUMBER OF DAYS PC            106
NUMBER OF DAYS CLOUDY         80

AVERAGE RH (PERCENT)     74

WEATHER CONDITIONS. NUMBER OF DAYS WITH 
THUNDERSTORM             28     HAIL                       0
SLEET                     0     FOG                      215
FOG W/VIS <= 1/4 MILE    44     HAZE                     107
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          

$$