013  
CDUS43 KDMX 180636  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
128 AM CDT FRI JUL 18 2008  
   
...............................
 
 
   
..THE WATERLOO CLIMATE SUMMARY FOR JULY 17 2008
 
 
CLIMATE NORMAL PERIOD 1971 TO 2000  
CLIMATE RECORD PERIOD 1895 TO 2008  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 88 120 PM 105 1936 85 3 89  
MINIMUM 67 1159 PM 48 1976 63 4 64  
1911  
AVERAGE 78 74 4 77  
 
PRECIPITATION (IN)  
YESTERDAY 2.05 4.06 1968 0.13 1.92 0.43  
MONTH TO DATE 4.40 2.38 2.02 1.85  
SINCE JUN 1 13.19 7.20 5.99 6.96  
SINCE JAN 1 35.17 18.60 16.57 19.73  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 7 -7 0  
SINCE JUN 1 6 36 -30 9  
SINCE JUL 1 0 7 -7 0  
 
COOLING  
YESTERDAY 13 9 4 12  
MONTH TO DATE 162 142 20 147  
SINCE JUN 1 311 310 1 309  
SINCE JAN 1 325 364 -39 419    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 10.4  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 400 PM  
LOWEST 50 100 PM  
AVERAGE 75  
   
......................................................
 
 
 
THE WATERLOO CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 102 1940  
MINIMUM TEMPERATURE (F) 63 49 1914  
 
 
SUNRISE AND SUNSET  
JULY 18 2008..........SUNRISE 549 AM CDT SUNSET 843 PM CDT  
JULY 19 2008..........SUNRISE 549 AM CDT SUNSET 842 PM CDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
   
...............................
 
 
   
..THE MASON CITY CLIMATE SUMMARY FOR JULY 17 2008
 
 
CLIMATE NORMAL PERIOD 1971 TO 2000  
CLIMATE RECORD PERIOD 1893 TO 2008  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 83 1114 AM 104 1936 84 -1 89  
MINIMUM 66 211 PM 42 1911 62 4 65  
AVERAGE 75 73 2 77  
 
PRECIPITATION (IN)  
YESTERDAY 1.74 1.77 1993 0.13 1.61 0.01  
MONTH TO DATE 3.54 2.42 1.12 1.49  
SINCE JUN 1 14.38 7.38 7.00 3.80  
SINCE JAN 1 28.36 19.22 9.14 20.73  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 1  
SINCE JUN 1 12 37 -25 19  
SINCE JUL 1 0 0 0 1  
 
COOLING  
YESTERDAY 10 8 2 12  
MONTH TO DATE 122 130 -8 130  
SINCE JUN 1 222 276 -54 277  
SINCE JAN 1 234 319 -85 366    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 8.0  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 900 PM  
LOWEST 65 1100 AM  
AVERAGE 79  
 
..........................................................  
 
 
THE MASON CITY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 100 1940  
MINIMUM TEMPERATURE (F) 62 43 1914  
 
 
SUNRISE AND SUNSET  
JULY 18 2008..........SUNRISE 550 AM CDT SUNSET 848 PM CDT  
JULY 19 2008..........SUNRISE 551 AM CDT SUNSET 847 PM CDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
S  
 
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