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Data Calendar for Grinnell (I-80)

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:  

 

May 2025Jun 2025 Jul 2025
SundayMondayTuesdayWednesday ThursdayFridaySaturday
01
High: 79.9
Low: 55
Precip: 0.00
Avg Wind: N @ 0.0
RH% Min/Max: 22-78
Feel Min/Max: 55 to 80		02
High: 86.2
Low: 58.6
Precip: 0.00
Avg Wind: N @ 0.0
RH% Min/Max: 35-74
Feel Min/Max: 59 to 87		03
High: 75.6
Low: 58.1
Precip: 0.00
Avg Wind: NE @ 11.0
RH% Min/Max: 64-97
Feel Min/Max: 58 to 76		04
High: 75
Low: 51.8
Precip: M
Avg Wind: SSW @ 6.4
RH% Min/Max: 34-93
Feel Min/Max: 52 to 75		05
High: 77.5
Low: 58.5
Precip: M
Avg Wind: WSW @ 3.0
RH% Min/Max: 32-88
Feel Min/Max: 58 to 78		06
High: 80.4
Low: 64.8
Precip: M
Avg Wind: SW @ 2.9
RH% Min/Max: 40-77
Feel Min/Max: 65 to 80		07
High: 76.6
Low: 62.4
Precip: M
Avg Wind: WNW @ 3.1
RH% Min/Max: 34-82
Feel Min/Max: 62 to 77
08
High: 73.8
Low: 56.3
Precip: 0.00
Avg Wind: NE @ 8.8
RH% Min/Max: 47-95
Feel Min/Max: 56 to 74		09
High: 68.2
Low: 54.1
Precip: M
Avg Wind: ENE @ 11.8
RH% Min/Max: 44-82
Feel Min/Max: 54 to 68		10
High: 81.7
Low: 49.1
Precip: M
Avg Wind: NE @ 5.8
RH% Min/Max: 34-90
Feel Min/Max: 49 to 81		11
High: 92.8
Low: 60.6
Precip: M
Avg Wind: NNW @ 7.3
RH% Min/Max: 36-80
Feel Min/Max: 61 to 94		12
High: 86.2
Low: 64.2
Precip: M
Avg Wind: W @ 5.3
RH% Min/Max: 40-84
Feel Min/Max: 64 to 87		13
High: 81
Low: 63.5
Precip: M
Avg Wind: W @ 3.9
RH% Min/Max: 61-94
Feel Min/Max: 64 to 84		14
High: 85.1
Low: 66.9
Precip: M
Avg Wind: WNW @ 2.4
RH% Min/Max: 55-97
Feel Min/Max: 67 to 88
15
High: 79.5
Low: 66.4
Precip: 0.00
Avg Wind: W @ 2.6
RH% Min/Max: 69-99
Feel Min/Max: 66 to 80		16
High: 86.5
Low: 67.5
Precip: M
Avg Wind: NNW @ 3.5
RH% Min/Max: 53-96
Feel Min/Max: 68 to 90		17
High: 84.6
Low: 64.6
Precip: 0.00
Avg Wind: ENE @ 3.2
RH% Min/Max: 58-95
Feel Min/Max: 65 to 88		18
High: 77
Low: 63.3
Precip: 0.00
Avg Wind: SE @ 4.5
RH% Min/Max: 67-98
Feel Min/Max: 63 to 77		19
High: 85.3
Low: 60.1
Precip: M
Avg Wind: NE @ 4.8
RH% Min/Max: 39-99
Feel Min/Max: 60 to 85		20
High: 82
Low: 64.9
Precip: 0.10
Avg Wind: NNW @ 11.5
RH% Min/Max: 70-99
Feel Min/Max: 65 to 88		21

Precip: M
22

Precip: M		23

Precip: M		2425262728
29300102030405

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.