Climatological Report (Daily)
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
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CDUS43 KDMX 212227
CLIALO
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
527 PM CDT THU AUG 21 2025
...................................
...THE WATERLOO IA CLIMATE SUMMARY FOR AUGUST 21 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 80 346 PM 100 1916 83 -3 78
MINIMUM 62 536 AM 39 2004 60 2 56
AVERAGE 71 71 0 67
PRECIPITATION (IN)
TODAY 0.00 1.29 1920 0.13 -0.13 0.00
MONTH TO DATE 3.06 2.86 0.20 0.61
SINCE JUN 1 19.59 12.92 6.67 13.24
SINCE JAN 1 30.63 25.79 4.84 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 6 7 -1 2
MONTH TO DATE 182 165 17 142
SINCE JUN 1 743 674 69 672
SINCE JAN 1 789 746 43 708
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 4.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 300 AM
LOWEST 56 200 PM
AVERAGE 77
..........................................................
THE WATERLOO IA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 99 2023
MINIMUM TEMPERATURE (F) 60 40 1923
SUNRISE AND SUNSET
AUGUST 21 2025........SUNRISE 623 AM CDT SUNSET 801 PM CDT
AUGUST 22 2025........SUNRISE 624 AM CDT SUNSET 800 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$