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Data Calendar for Waterloo (US 20)

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:  

 

Apr 2025May 2025 Jun 2025
SundayMondayTuesdayWednesday ThursdayFridaySaturday
2728293001
High: 63.1
Low: 52.3
Precip: 0.00
Avg Wind: NNW @ 5.8
Gust: 32 (6:10 PM)
RH% Min/Max: 71-98
Feel Min/Max: 52 to 63		02
High: 56.8
Low: 47.1
Precip: 0.00
Avg Wind: NNW @ 8.5
Gust: 23 (12:25 AM)
RH% Min/Max: 58-88
Feel Min/Max: 42 to 57		03
High: 63
Low: 46
Precip: 0.00
Avg Wind: NE @ 4.5
Gust: 15 (10:30 AM)
RH% Min/Max: 43-96
Feel Min/Max: 43 to 63
04
High: 76.1
Low: 44.2
Precip: 0.00
Avg Wind: ENE @ 4.3
Gust: 21 (6:25 PM)
RH% Min/Max: 30-88
Feel Min/Max: 43 to 76		05
High: 61.2
Low: 46.9
Precip: 0.00
Avg Wind: ENE @ 2.0
Gust: 11 (9:05 AM)
RH% Min/Max: 45-86
Feel Min/Max: 45 to 61		06
High: 82.4
Low: 73
Precip: 0.00
Avg Wind: NE @ 5.2
Gust: 10 (4:25 PM)
RH% Min/Max: 27-39
Feel Min/Max: 73 to 81		07
High: 83.3
Low: 62.6
Precip: 0.00
Avg Wind: ENE @ 4.8
Gust: 19 (6:30 PM)
RH% Min/Max: 28-61
Feel Min/Max: 63 to 82		08
High: 73.4
Low: 51.1
Precip: 0.00
Avg Wind: E @ 8.5
Gust: 23 (2:50 AM)
RH% Min/Max: 24-64
Feel Min/Max: 51 to 73		09
High: 79.2
Low: 45.9
Precip: 0.00
Avg Wind: S @ 1.8
Gust: 9 (9:15 PM)
RH% Min/Max: 20-85
Feel Min/Max: 46 to 79		10
High: 83.5
Low: 54.3
Precip: 0.00
Avg Wind: ENE @ 5.0
Gust: 17 (10:10 AM)
RH% Min/Max: 16-58
Feel Min/Max: 54 to 81
11
High: 82.8
Low: 53.1
Precip: 0.00
Avg Wind: S @ 6.8
Gust: 19 (3:00 AM)
RH% Min/Max: 18-64
Feel Min/Max: 53 to 80		12
High: 86.4
Low: 64
Precip: 0.00
Avg Wind: S @ 3.9
Gust: 20 (2:30 PM)
RH% Min/Max: 24-65
Feel Min/Max: 64 to 84		13
High: 84.7
Low: 61.2
Precip: 0.00
Avg Wind: S @ 4.8
Gust: 17 (1:00 PM)
RH% Min/Max: 37-82
Feel Min/Max: 61 to 84		14
High: 86.2
Low: 60.3
Precip: 0.00
Avg Wind: SSE @ 5.7
Gust: 23 (2:40 PM)
RH% Min/Max: 35-88
Feel Min/Max: 60 to 85		15
High: 85.6
Low: 61.7
Precip: 0.00
Avg Wind: SW @ 12.9
Gust: 38 (5:25 PM)
RH% Min/Max: 28-86
Feel Min/Max: 62 to 87		16
High: 76.6
Low: 50.2
Precip: 0.00
Avg Wind: W @ 15.3
Gust: 46 (6:15 PM)
RH% Min/Max: 27-78
Feel Min/Max: 50 to 77		17
High: 61
Low: 47.3
Precip: 0.00
Avg Wind: NNW @ 15.9
Gust: 34 (2:40 AM)
RH% Min/Max: 45-73
Feel Min/Max: 40 to 61
18
High: 74.5
Low: 47.1
Precip: 0.00
Avg Wind: NE @ 6.1
Gust: 21 (7:25 AM)
RH% Min/Max: 23-75
Feel Min/Max: 43 to 74		19
High: 58.3
Low: 46.4
Precip: 0.00
Gust: 31 (8:20 AM)
RH% Min/Max: 54-83
Feel Min/Max: 39 to 58		20

Precip: M		21222324
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.