Climatological Report (Daily)
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
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CDUS43 KDMX 200637
CLIALO
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
137 AM CDT SUN SEP 20 2026
...................................
...THE WATERLOO IA CLIMATE SUMMARY FOR SEPTEMBER 19 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 76 253 PM 95 1925 76 0 77
MINIMUM 61 409 AM 32 1991 51 10 62
AVERAGE 69 64 5 70
PRECIPITATION (IN)
YESTERDAY 0.98 4.50 1919 0.11 0.87 0.06
MONTH TO DATE 4.68 2.05 2.63 0.58
SINCE SEP 1 4.68 2.05 2.63 0.58
SINCE JAN 1 34.46 29.15 5.31 31.24
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 0
DEGREE DAYS
HEATING
YESTERDAY 0 4 -4 0
MONTH TO DATE 16 45 -29 50
SINCE SEP 1 16 45 -29 50
SINCE JUL 1 17 58 -41 65
COOLING
YESTERDAY 4 3 1 5
MONTH TO DATE 126 76 50 92
SINCE SEP 1 126 76 50 92
SINCE JAN 1 954 882 72 899
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 10.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 400 AM
LOWEST 79 200 PM
AVERAGE 90
..........................................................
THE WATERLOO IA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 96 2022
MINIMUM TEMPERATURE (F) 51 27 1991
SUNRISE AND SUNSET
SEPTEMBER 20 2026.....SUNRISE 655 AM CDT SUNSET 710 PM CDT
SEPTEMBER 21 2026.....SUNRISE 656 AM CDT SUNSET 708 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$