975  
CDUS43 KDMX 190643  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
140 AM CDT SAT JUL 19 2008  
 
   
..THE WATERLOO CLIMATE SUMMARY FOR JULY 18 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 82 307 PM 102 1940 85 -3 86  
MINIMUM 65 536 AM 49 1914 63 2 68  
AVERAGE 74 74 0 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.09 2.78 1903 0.13 -0.04 1.17  
MONTH TO DATE 4.49 2.51 1.98 3.02  
SINCE JUN 1 13.28 7.33 5.95 8.13  
SINCE JAN 1 35.26 18.73 16.53 20.90  
 
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 9 9 0 12  
MONTH TO DATE 171 151 20 159  
SINCE JUN 1 320 319 1 321  
SINCE JAN 1 334 373 -39 431    
..............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 3.4  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1100 PM  
LOWEST 67 200 PM  
AVERAGE 82  
 
 
THE WATERLOO CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 104 1940  
MINIMUM TEMPERATURE (F) 63 47 1912  
 
 
SUNRISE AND SUNSET  
JULY 19 2008..........SUNRISE 549 AM CDT SUNSET 842 PM CDT  
JULY 20 2008..........SUNRISE 550 AM CDT SUNSET 841 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 18 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 82 333 PM 100 1940 84 -2 86  
MINIMUM 66 1155 PM 43 1914 62 4 69  
AVERAGE 74 73 1 78  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.13 1999 0.13 -0.13 1.18  
MONTH TO DATE 3.54 2.55 0.99 2.67  
SINCE JUN 1 14.38 7.51 6.87 4.98  
SINCE JAN 1 28.36 19.35 9.01 21.91  
 
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 9 8 1 13  
MONTH TO DATE 131 138 -7 143  
SINCE JUN 1 231 284 -53 290  
SINCE JAN 1 243 327 -84 379    
..............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 4.1  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1200 AM  
LOWEST 62 100 PM  
AVERAGE 78  
 
..........................................................  
 
 
THE MASON CITY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 101 1940  
MINIMUM TEMPERATURE (F) 62 46 1912  
 
 
SUNRISE AND SUNSET  
JULY 19 2008..........SUNRISE 551 AM CDT SUNSET 847 PM CDT  
JULY 20 2008..........SUNRISE 552 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.  
 
 
 
 
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