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Data Calendar for Ottumwa (US 63)

The calendar chart below shows the daily reported climate variables. You can click on a date to display the values for all sites for that day. Time stamps are displayed in the America/Chicago timezone. Wind speeds are in mph and temperatures in Fahrenheit. Values flagged with a (E) are estimated by the IEM.

Year:  

Month:  

 

Dec 2025Jan 2026 Feb 2026
SundayMondayTuesdayWednesday ThursdayFridaySaturday
2829303101
High: 33.1
Low: 18.1
Precip: 0.00
Avg Wind: NNW @ 4.7
Gust: 19 (1:05 AM)
RH% Min/Max: 59-95
Feel Min/Max: 10 to 32		02
High: 26.8
Low: 24.3
Precip: 0.00
Avg Wind: NNE @ 4.9
Gust: 12 (9:25 AM)
RH% Min/Max: 74-95
Feel Min/Max: 15 to 27		03
High: 35.6
Low: 22.3
Precip: 0.00
Avg Wind: NNW @ 2.6
Gust: 10 (10:25 AM)
RH% Min/Max: 58-93
Feel Min/Max: 17 to 34
04
High: 38.3
Low: 26.2
Precip: 0.00
Avg Wind: SE @ 6.5
Gust: 18 (10:00 AM)
RH% Min/Max: 68-92
Feel Min/Max: 19 to 33		05
High: 54.7
Low: 33.6
Precip: 0.00
Avg Wind: ESE @ 2.8
Gust: 12 (5:00 PM)
RH% Min/Max: 64-98
Feel Min/Max: 30 to 55		06
High: 44.1
Low: 29.5
Precip: 0.00
Avg Wind: WNW @ 4.7
Gust: 20 (2:00 PM)
RH% Min/Max: 82-99
Feel Min/Max: 30 to 43		07
High: 56
Low: 26.6
Precip: 0.00
Avg Wind: SSE @ 4.0
Gust: 17 (1:30 PM)
RH% Min/Max: 30-100
Feel Min/Max: 22 to 56		08
High: 60.8
Low: 40.3
Precip: 0.00
Avg Wind: SSE @ 8.4
Gust: 34 (8:25 PM)
RH% Min/Max: 62-99
Feel Min/Max: 32 to 61		09
High: 46
Low: 30.9
Precip: 0.00
Avg Wind: WNW @ 8.2
Gust: 24 (1:40 AM)
RH% Min/Max: 61-97
Feel Min/Max: 25 to 44		10
High: 41.5
Low: 26.4
Precip: 0.00
Avg Wind: WNW @ 11.0
Gust: 29 (9:15 PM)
RH% Min/Max: 47-96
Feel Min/Max: 13 to 37
11
High: 34.7
Low: 23
Precip: 0.00
Avg Wind: WNW @ 8.6
Gust: 28 (12:35 AM)
RH% Min/Max: 55-77
Feel Min/Max: 10 to 34		12
High: 55.2
Low: 30.4
Precip: 0.00
Avg Wind: SW @ 2.6
Gust: 10 (10:00 AM)
RH% Min/Max: 42-79
Feel Min/Max: 25 to 55		13
High: 53.1
Low: 33.8
Precip: 0.00
Avg Wind: NW @ 7.4
Gust: 18 (3:05 PM)
RH% Min/Max: 51-89
Feel Min/Max: 31 to 53		14
High: 40.1
Low: 27
Precip: 0.00
Gust: 40 (8:00 AM)
RH% Min/Max: 48-80
Feel Min/Max: 11 to 33		15

Precip: M		1617
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25262728293031

The data presented here provided by IEM API webservice: daily.json. A simple CSV option exists as well.

Daily High/Low Plot


Description: This chart of the monthly temperature data. The bars are the observations and the dots are climatology.

Daily Rainfall


Description: This chart is of daily precipitation for the month. The red line would be an average month while the blue line and bars are observations.

Daily Average Wind Speeds


Description: This chart is of the daily average wind speeds.

The data presented here provided by IEM API webservice: daily.json. A simple CSV option exists as well.