Climatological Report (Daily)
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
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CDUS43 KDMX 220631
CLIALO
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
131 AM CDT SAT AUG 22 2026
...................................
...THE WATERLOO IA CLIMATE SUMMARY FOR AUGUST 21 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1895 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 85 328 PM 100 1916 83 2 80
MINIMUM 64 1159 PM 39 2004 60 4 62
AVERAGE 75 71 4 71
PRECIPITATION (IN)
YESTERDAY 0.00 1.29 1920 0.13 -0.13 0.00
MONTH TO DATE 2.93 2.86 0.07 3.06
SINCE JUN 1 15.95 12.92 3.03 19.59
SINCE JAN 1 29.11 25.79 3.32 30.63
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 MM
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 14 21 -7 6
SINCE JUL 1 0 3 -3 0
COOLING
YESTERDAY 10 7 3 6
MONTH TO DATE 168 165 3 182
SINCE JUN 1 684 674 10 743
SINCE JAN 1 777 746 31 789
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 9.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1100 PM
LOWEST 46 400 PM
AVERAGE 70
..........................................................
THE WATERLOO IA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 99 2023
MINIMUM TEMPERATURE (F) 60 40 1923
SUNRISE AND SUNSET
AUGUST 22 2026........SUNRISE 624 AM CDT SUNSET 800 PM CDT
AUGUST 23 2026........SUNRISE 625 AM CDT SUNSET 758 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$