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Data Calendar for Grinnell

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: 56.8
Precip: M
Avg Wind: N @ 0.0
RH% Min/Max: 29-80
Feel Min/Max: 57 to 80		02
High: 87.3
Low: 55
Precip: M
Avg Wind: N @ 0.0
RH% Min/Max: 41-84
Feel Min/Max: 55 to 89		03
High: 77.3
Low: 58.4
Precip: M
Avg Wind: N @ 0.0
RH% Min/Max: 70-93
Feel Min/Max: 58 to 77		04
High: 79.3
Low: 51.9
Precip: M
Avg Wind: N @ 0.0
RH% Min/Max: 34-92
Feel Min/Max: 52 to 79		05
High: 79.3
Low: 55
Precip: M
Avg Wind: N @ 0.0
RH% Min/Max: 35-94
Feel Min/Max: 55 to 79		06
High: 84
Low: 62.3
Precip: M
Avg Wind: N @ 0.0
RH% Min/Max: 38-87
Feel Min/Max: 62 to 83		07
High: 78.9
Low: 56.2
Precip: M
Avg Wind: N @ 0.0
RH% Min/Max: 38-91
Feel Min/Max: 56 to 79
08
High: 75.5
Low: 53.7
Precip: M
Avg Wind: N @ 0.0
RH% Min/Max: 47-96
Feel Min/Max: 54 to 76		09
High: 70.4
Low: 48.7
Precip: M
Avg Wind: N @ 0.0
RH% Min/Max: 43-90
Feel Min/Max: 51 to 70		10
High: 85.6
Low: 43.8
Precip: M
Avg Wind: N @ 0.0
RH% Min/Max: 36-96
Feel Min/Max: 50 to 84		11
High: 94.8
Low: 56.9
Precip: M
Avg Wind: N @ 0.0
RH% Min/Max: 40-88
Feel Min/Max: 57 to 99		12
High: 87.8
Low: 64.3
Precip: M
Avg Wind: N @ 0.0
RH% Min/Max: 45-86
Feel Min/Max: 64 to 92		13
High: 84.2
Low: 59.2
Precip: M
Avg Wind: N @ 0.0
RH% Min/Max: 61-96
Feel Min/Max: 59 to 88		14
High: 87
Low: 66.9
Precip: M
Avg Wind: N @ 0.0
RH% Min/Max: 57-95
Feel Min/Max: 67 to 92
15
High: 81.8
Low: 66
Precip: M
Avg Wind: N @ 0.0
RH% Min/Max: 69-96
Feel Min/Max: 66 to 86		16
High: 88.7
Low: 66.3
Precip: M
Avg Wind: N @ 0.0
RH% Min/Max: 54-95
Feel Min/Max: 66 to 95		17
High: 85.2
Low: 62.3
Precip: M
RH% Min/Max: 59-93
Feel Min/Max: 62 to 89		18

Precip: M		192021
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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.