969
CDUS43 KDMX 170634
CLIALO
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
134 AM CDT THU SEP 17 2026
...............................
..THE WATERLOO IA CLIMATE SUMMARY FOR SEPTEMBER 16 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 73 406 PM 97 1931 77 -4 90
MINIMUM 53 142 AM 31 1984 52 1 63
AVERAGE 63 65 -2 77
PRECIPITATION (IN)
YESTERDAY T 2.60 1921 0.10 -0.10 0.36
MONTH TO DATE 1.95 1.74 0.21 0.47
SINCE SEP 1 1.95 1.74 0.21 0.47
SINCE JAN 1 31.73 28.84 2.89 31.13
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 SEP 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 2 4 -2 0
MONTH TO DATE 16 33 -17 50
SINCE SEP 1 16 33 -17 50
SINCE JUL 1 17 46 -29 65
COOLING
YESTERDAY 0 3 -3 12
MONTH TO DATE 113 67 46 77
SINCE SEP 1 113 67 46 77
SINCE JAN 1 941 873 68 884
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 7.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 100 AM
LOWEST 66 100 PM
AVERAGE 82
......................................................
THE WATERLOO IA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 95 1925
1988
MINIMUM TEMPERATURE (F) 52 32 1916
SUNRISE AND SUNSET
SEPTEMBER 17 2026.....SUNRISE 652 AM CDT SUNSET 716 PM CDT
SEPTEMBER 18 2026.....SUNRISE 653 AM CDT SUNSET 714 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page