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Data Calendar for Illinois River AT Starved Rock

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:  

 

Aug 2026Sep 2026 Oct 2026
SundayMondayTuesdayWednesday ThursdayFridaySaturday
303101
High: 100.28
Low: 75.75
Precip: 0.00
Max Stage[ft]: 442.18		02
High: 99.15
Low: 75.07
Precip: 0.00
Max Stage[ft]: 441.98		03
High: 92.87
Low: 75.97
Precip: 0.00
Max Stage[ft]: 442.60		04
High: 97.59
Low: 74.7
Precip: 0.00
Max Stage[ft]: 441.72		05
High: 90.27
Low: 73.02
Precip: 0.00
Max Stage[ft]: 441.91
06
High: 82.16
Low: 64.77
Precip: 0.00
Max Stage[ft]: 441.09		07
High: 81.47
Low: 62.07
Precip: 0.00
Max Stage[ft]: 441.83		08
High: 86.75
Low: 62.63
Precip: 0.00
Max Stage[ft]: 441.65		09
High: 78.96
Low: 70.53
Precip: 0.14
Max Stage[ft]: 441.96		10
High: 79.38
Low: 66.49
Precip: 0.00
Max Stage[ft]: 441.48		11
High: 80.74
Low: 62.55
Precip: 0.00
Max Stage[ft]: 441.39		12
High: 89.34
Low: 65.04
Precip: 0.00
Max Stage[ft]: 441.60
13
High: 72.95
Low: 55.57
Precip: 0.00
Max Stage[ft]: 441.30		14
High: 74
Low: 52.73
Precip: 0.00
Max Stage[ft]: 440.93		15
High: 88
Low: 68.13
Precip: 0.10
Max Stage[ft]: 441.56		16
High: 74.52
Low: 66.06
Precip: 0.37
Max Stage[ft]: 441.03		17
High: 91.82
Low: 68.46
Precip: 0.08
Max Stage[ft]: 442.51		18
High: 74.4
Low: 66.79
Precip: 0.00
Max Stage[ft]: 444.09		19
High: 74.4
Low: 65.46
Precip: 0.00
Max Stage[ft]: 443.75
20

Precip: M		21

Precip: M		2223242526
27282930010203

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.