Climatological Report (Daily)
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
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CDUS43 KDMX 182228
CLIALO
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
528 PM CDT MON AUG 18 2025
...................................
...THE WATERLOO IA CLIMATE SUMMARY FOR AUGUST 18 2025...
VALID TODAY AS OF 0520 PM LOCAL TIME.
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)
TODAY
MAXIMUM 84 359 PM 110 1936 83 1 85
MINIMUM 70 923 AM 43 1977 61 9 62
2012
AVERAGE 77 72 5 74
PRECIPITATION (IN)
TODAY 0.51 1.91 1954 0.14 0.37 0.00
MONTH TO DATE 3.06 2.45 0.61 0.61
SINCE JUN 1 19.59 12.51 7.08 13.24
SINCE JAN 1 30.63 25.38 5.25 32.48
SNOWFALL (IN)
TODAY 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
TODAY 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
TODAY 12 7 5 9
MONTH TO DATE 155 144 11 134
SINCE JUN 1 716 653 63 664
SINCE JAN 1 762 725 37 700
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 9.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 800 AM
LOWEST 70 100 PM
AVERAGE 84
..........................................................
THE WATERLOO IA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 100 1916
1983
MINIMUM TEMPERATURE (F) 61 42 1963
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.
$$