291
CDUS43 KDMX 160634
CLIALO
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1234 AM CST TUE DEC 16 2025
...............................
..THE WATERLOO IA CLIMATE SUMMARY FOR DECEMBER 15 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 28 345 PM 74 2021 34 -6 36
MINIMUM 4 1251 AM -21 1917 17 -13 32
AVERAGE 16 25 -9 34
PRECIPITATION (IN)
YESTERDAY 0.00 0.74 2014 0.04 -0.04 0.00
MONTH TO DATE 0.32 0.74 -0.42 0.40
SINCE DEC 1 0.32 0.74 -0.42 0.40
SINCE JAN 1 35.20 35.59 -0.39 39.90
SNOWFALL (IN)
YESTERDAY 0.0 4.5 1925 0.3 -0.3 0.0
2010
MONTH TO DATE 4.1 4.4 -0.3 0.7
SINCE DEC 1 4.1 4.4 -0.3 0.7
SINCE JUL 1 18.6 7.8 10.8 0.9
SNOW DEPTH 4
DEGREE DAYS
HEATING
YESTERDAY 49 40 9 31
MONTH TO DATE 758 557 201 593
SINCE DEC 1 758 557 201 593
SINCE JUL 1 1931 1935 -4 1615
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 18 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 7.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 95 1000 PM
LOWEST 65 1100 AM
AVERAGE 80
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THE WATERLOO IA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 33 63 1939
MINIMUM TEMPERATURE (F) 17 -20 1932
SUNRISE AND SUNSET
DECEMBER 16 2025......SUNRISE 733 AM CST SUNSET 438 PM CST
DECEMBER 17 2025......SUNRISE 734 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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