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CDUS43 KDMX 170636
CLIALO
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1236 AM CST WED DEC 17 2025
...............................
..THE WATERLOO IA CLIMATE SUMMARY FOR DECEMBER 16 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1895 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 41 1054 PM 63 1939 33 8 47
MINIMUM 11 241 AM -20 1932 17 -6 30
AVERAGE 26 25 1 39
PRECIPITATION (IN)
YESTERDAY 0.00 0.90 1940 0.05 -0.05 T
MONTH TO DATE 0.32 0.79 -0.47 0.40
SINCE DEC 1 0.32 0.79 -0.47 0.40
SINCE JAN 1 35.20 35.64 -0.44 39.90
SNOWFALL (IN)
YESTERDAY 0.0 9.0 1940 0.4 -0.4 0.0
MONTH TO DATE 4.1 4.8 -0.7 0.7
SINCE DEC 1 4.1 4.8 -0.7 0.7
SINCE JUL 1 18.6 8.2 10.4 0.9
SNOW DEPTH 4
DEGREE DAYS
HEATING
YESTERDAY 39 40 -1 26
MONTH TO DATE 797 597 200 619
SINCE DEC 1 797 597 200 619
SINCE JUL 1 1970 1975 -5 1641
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 985 916 69 996
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WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 8.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 300 AM
LOWEST 70 1100 PM
AVERAGE 83
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THE WATERLOO IA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 33 58 1939
MINIMUM TEMPERATURE (F) 17 -16 1914
SUNRISE AND SUNSET
DECEMBER 17 2025......SUNRISE 734 AM CST SUNSET 438 PM CST
DECEMBER 18 2025......SUNRISE 735 AM CST SUNSET 438 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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