Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KDMX 010802
CLIOTM
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
302 AM CDT MON SEP 01 2025
...................................
...THE OTTUMWA IA CLIMATE SUMMARY FOR AUGUST 31 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 79 MM 98 1947 82 -3 81
2000
MINIMUM 60 MM 43 1967 59 1 53
AVERAGE 70 70 0 67
PRECIPITATION (IN)
YESTERDAY T 1.77 1989 0.15 -0.15 0.00
MONTH TO DATE 2.16 4.44 -2.28 2.00
SINCE JUN 1 11.10 13.69 -2.59 11.16
SINCE JAN 1 16.57 27.13 -10.56 27.97
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 11 3 8 8
SINCE JUN 1 18 22 -4 9
SINCE JUL 1 11 5 6 8
COOLING
YESTERDAY 5 6 -1 2
MONTH TO DATE 224 255 -31 220
SINCE JUN 1 825 785 40 752
SINCE JAN 1 876 863 13 810
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (99)
AVERAGE WIND SPEED 6.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 500 AM
LOWEST 52 100 PM
AVERAGE 75
..........................................................
THE OTTUMWA IA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 100 1984
MINIMUM TEMPERATURE (F) 58 42 1949
SUNRISE AND SUNSET
SEPTEMBER 1 2025.....SUNRISE 637 AM CDT SUNSET 742 PM CDT
SEPTEMBER 2 2025.....SUNRISE 638 AM CDT SUNSET 740 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$