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:  

 

Jun 2025Jul 2025 Aug 2025
SundayMondayTuesdayWednesday ThursdayFridaySaturday
293001
High: 88.1
Low: 60.9
Precip: M
Avg Wind: N @ 0.0
RH% Min/Max: 41-94
Feel Min/Max: 61 to 89
02
High: 89.2
Low: 60.6
Precip: M
Avg Wind: N @ 0.0
RH% Min/Max: 48-97
Feel Min/Max: 61 to 93
03
High: 92.5
Low: 66.1
Precip: M
Avg Wind: N @ 0.0
RH% Min/Max: 58-94
Feel Min/Max: 66 to 106
04
High: 90.3
Low: 70.6
Precip: M
Avg Wind: N @ 0.0
RH% Min/Max: 54-96
Feel Min/Max: 71 to 102
05
High: 82.6
Low: 69.1
Precip: M
Avg Wind: N @ 0.0
RH% Min/Max: 76-96
Feel Min/Max: 69 to 89
06
High: 90.4
Low: 68.7
Precip: M
Avg Wind: N @ 0.0
RH% Min/Max: 58-97
Feel Min/Max: 69 to 99
07
High: 90.7
Low: 65
Precip: M
Avg Wind: N @ 0.0
RH% Min/Max: 48-96
Feel Min/Max: 65 to 95
08
High: 84.9
Low: 68.4
Precip: M
Avg Wind: N @ 0.0
RH% Min/Max: 57-94
Feel Min/Max: 68 to 90
09
High: 89.6
Low: 64.5
Precip: M
Avg Wind: N @ 0.0
RH% Min/Max: 52-96
Feel Min/Max: 64 to 97
10
High: 90.7
Low: 69.7
Precip: M
Avg Wind: N @ 0.0
RH% Min/Max: 64-96
Feel Min/Max: 70 to 104
11
High: 82.5
Low: 66
Precip: M
Avg Wind: N @ 0.0
RH% Min/Max: 73-97
Feel Min/Max: 66 to 90
12
High: 82.6
Low: 63.2
Precip: M
Avg Wind: N @ 0.0
RH% Min/Max: 53-98
Feel Min/Max: 63 to 85
13
High: 85.3
Low: 58.2
Precip: M
Avg Wind: N @ 0.0
RH% Min/Max: 50-98
Feel Min/Max: 58 to 87
14
High: 87.2
Low: 60.2
Precip: M
Avg Wind: N @ 0.0
RH% Min/Max: 60-97
Feel Min/Max: 60 to 95
15
High: 89.2
Low: 64
Precip: M
RH% Min/Max: 54-97
Feel Min/Max: 64 to 96
16

Precip: M
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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.