252  
CDUS43 KDMX 122334  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
534 PM CST TUE DEC 12 2023  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR DECEMBER 12 2023
 
 
VALID TODAY AS OF 0520 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1895 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 37 138 PM 58 1968 35 2 37  
MINIMUM 22 747 AM -15 2000 18 4 31  
AVERAGE 30 26 4 34  
 
PRECIPITATION (IN)  
TODAY 0.00 0.81 1991 0.04 -0.04 0.00  
MONTH TO DATE 0.01 0.60 -0.59 0.45  
SINCE DEC 1 0.01 0.60 -0.59 0.45  
SINCE JAN 1 21.79 35.45 -13.66 32.90  
 
SNOWFALL (IN)  
TODAY 0.0 7.5 1972 0.3 -0.3 0.0  
MONTH TO DATE T 3.4 -3.4 0.5  
SINCE DEC 1 T 3.4 -3.4 0.5  
SINCE JUL 1 2.1 6.8 -4.7 5.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 35 39 -4 31  
MONTH TO DATE 381 439 -58 420  
SINCE DEC 1 381 439 -58 420  
SINCE JUL 1 1532 1817 -285 1791  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1115 916 199 1023    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 10.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 500 AM  
LOWEST 34 200 PM  
AVERAGE 53  
   
......................................................
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 57 1975  
MINIMUM TEMPERATURE (F) 18 -26 1961  
 
SUNRISE AND SUNSET  
DECEMBER 12 2023......SUNRISE 730 AM CST SUNSET 436 PM CST  
DECEMBER 13 2023......SUNRISE 731 AM CST SUNSET 437 PM CST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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