Climatological Report (Daily)
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
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CDUS43 KDMX 312229
CLIALO
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
529 PM CDT SUN AUG 31 2025
...................................
...THE WATERLOO IA CLIMATE SUMMARY FOR AUGUST 31 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 78 307 PM 99 2000 81 -3 84
MINIMUM 58 407 AM 36 1915 58 0 56
AVERAGE 68 70 -2 70
PRECIPITATION (IN)
TODAY 0.00 1.96 2010 0.13 -0.13 0.00
MONTH TO DATE 3.09 4.17 -1.08 1.78
SINCE JUN 1 19.62 14.23 5.39 14.41
SINCE JAN 1 30.66 27.10 3.56 33.65
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 1 -1 0
MONTH TO DATE 15 5 10 5
SINCE JUN 1 21 26 -5 6
SINCE JUL 1 15 8 7 6
COOLING
TODAY 3 5 -2 5
MONTH TO DATE 200 225 -25 256
SINCE JUN 1 761 734 27 786
SINCE JAN 1 807 806 1 822
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 7.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 200 AM
LOWEST 56 200 PM
AVERAGE 78
..........................................................
THE WATERLOO IA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 100 1913
MINIMUM TEMPERATURE (F) 58 36 1949
1967
SUNRISE AND SUNSET
AUGUST 31 2025........SUNRISE 634 AM CDT SUNSET 745 PM CDT
SEPTEMBER 1 2025.....SUNRISE 635 AM CDT SUNSET 743 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$