Climatological Report (Daily)
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
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CDUS43 KDMX 122227
CLIALO
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
527 PM CDT SAT SEP 12 2026
...................................
...THE WATERLOO IA CLIMATE SUMMARY FOR SEPTEMBER 12 2026...
VALID TODAY AS OF 0520 PM LOCAL TIME.
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)
TODAY
MAXIMUM 78 211 PM 97 1927 78 0 88
MINIMUM 65 619 AM 32 1955 54 11 58
AVERAGE 72 66 6 73
PRECIPITATION (IN)
TODAY 0.04 3.05 1978 0.11 -0.07 0.00
MONTH TO DATE 0.66 1.34 -0.68 0.08
SINCE SEP 1 0.66 1.34 -0.68 0.08
SINCE JAN 1 30.44 28.44 2.00 30.74
SNOWFALL (IN)
TODAY MM MM MM 0.0 MM 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
TODAY 0 3 -3 0
MONTH TO DATE 0 20 -20 50
SINCE SEP 1 0 20 -20 50
SINCE JUL 1 1 33 -32 65
COOLING
TODAY 7 4 3 8
MONTH TO DATE 118 53 65 21
SINCE SEP 1 118 53 65 21
SINCE JAN 1 946 859 87 828
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 10.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 500 AM
LOWEST 37 300 PM
AVERAGE 67
..........................................................
THE WATERLOO IA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 97 1897
1939
MINIMUM TEMPERATURE (F) 54 31 1975
SUNRISE AND SUNSET
SEPTEMBER 12 2026.....SUNRISE 646 AM CDT SUNSET 724 PM CDT
SEPTEMBER 13 2026.....SUNRISE 647 AM CDT SUNSET 723 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$