Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KDMX 310639
CLIOTM
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
139 AM CDT SUN AUG 31 2025
...................................
...THE OTTUMWA IA CLIMATE SUMMARY FOR AUGUST 30 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1920 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 84 134 PM 104 1947 82 2 80
MINIMUM 60 605 AM 46 1946 59 1 58
AVERAGE 72 70 2 69
PRECIPITATION (IN)
YESTERDAY 0.00 2.49 1965 0.15 -0.15 0.35
MONTH TO DATE 2.16 4.29 -2.13 2.00
SINCE JUN 1 11.10 13.54 -2.44 11.16
SINCE JAN 1 16.57 26.98 -10.41 27.97
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 11 2 9 8
SINCE JUN 1 18 21 -3 9
SINCE JUL 1 11 4 7 8
COOLING
YESTERDAY 7 6 1 4
MONTH TO DATE 219 249 -30 218
SINCE JUN 1 820 779 41 750
SINCE JAN 1 871 857 14 808
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 6.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 500 AM
LOWEST 51 200 PM
AVERAGE 76
..........................................................
THE OTTUMWA IA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 98 1947
2000
MINIMUM TEMPERATURE (F) 59 43 1967
SUNRISE AND SUNSET
AUGUST 31 2025........SUNRISE 636 AM CDT SUNSET 743 PM CDT
SEPTEMBER 1 2025.....SUNRISE 637 AM CDT SUNSET 742 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$