Climatological Report (Daily)
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
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CDUS43 KDMX 122227
CLIDSM
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
527 PM CDT SAT SEP 12 2026
...................................
...THE DES MOINES IA CLIMATE SUMMARY FOR SEPTEMBER 12 2026...
VALID TODAY AS OF 0520 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1878 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 77 359 PM 96 1927 78 -1 87
MINIMUM 67 918 AM 37 1902 57 10 66
AVERAGE 72 68 4 77
PRECIPITATION (IN)
TODAY T 4.42 1961 0.11 -0.11 T
MONTH TO DATE 7.39 1.36 6.03 0.50
SINCE SEP 1 7.39 1.36 6.03 0.50
SINCE JAN 1 39.47 28.46 11.01 29.32
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 2 -2 0
MONTH TO DATE 0 16 -16 29
SINCE SEP 1 0 16 -16 29
SINCE JUL 1 0 21 -21 37
COOLING
TODAY 7 5 2 12
MONTH TO DATE 170 67 103 38
SINCE SEP 1 170 67 103 38
SINCE JAN 1 1288 1002 286 1066
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 8.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 400 AM
LOWEST 43 300 PM
AVERAGE 64
..........................................................
THE DES MOINES IA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 96 1931
1939
2025
MINIMUM TEMPERATURE (F) 57 33 1890
SUNRISE AND SUNSET
SEPTEMBER 12 2026.....SUNRISE 652 AM CDT SUNSET 729 PM CDT
SEPTEMBER 13 2026.....SUNRISE 653 AM CDT SUNSET 727 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$