Climatological Report (Daily)
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
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CDUS43 KDMX 180636
CLIALO
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
136 AM CDT MON AUG 18 2025
...................................
...THE WATERLOO IA CLIMATE SUMMARY FOR AUGUST 17 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 89 223 PM 105 1988 83 6 82
MINIMUM 70 534 AM 46 1962 61 9 66
AVERAGE 80 72 8 74
PRECIPITATION (IN)
YESTERDAY 0.35 1.42 1938 0.15 0.20 0.02
MONTH TO DATE 2.55 2.31 0.24 0.61
SINCE JUN 1 19.08 12.37 6.71 13.24
SINCE JAN 1 30.12 25.24 4.88 32.48
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 3
SINCE JUN 1 6 21 -15 4
SINCE JUL 1 0 3 -3 4
COOLING
YESTERDAY 15 7 8 9
MONTH TO DATE 143 137 6 125
SINCE JUN 1 704 646 58 655
SINCE JAN 1 750 718 32 691
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 8.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 200 AM
LOWEST 72 100 PM
AVERAGE 84
..........................................................
THE WATERLOO IA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 110 1936
MINIMUM TEMPERATURE (F) 61 43 1977
2012
SUNRISE AND SUNSET
AUGUST 18 2025........SUNRISE 620 AM CDT SUNSET 806 PM CDT
AUGUST 19 2025........SUNRISE 621 AM CDT SUNSET 804 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$