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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:  

 

May 2025Jun 2025 Jul 2025
SundayMondayTuesdayWednesday ThursdayFridaySaturday
01
High: 79.2
Low: 54
Precip: 0.00
Avg Wind: SSE @ 2.8
Gust: 9 (12:25 PM)
RH% Min/Max: 27-90
Feel Min/Max: 54 to 79		02
High: 88.9
Low: 57.6
Precip: 0.00
Avg Wind: SSW @ 9.2
Gust: 34 (3:20 PM)
RH% Min/Max: 31-66
Feel Min/Max: 58 to 88		03
High: 75.6
Low: 58.3
Precip: 0.00
Avg Wind: WSW @ 9.1
Gust: 40 (1:10 PM)
RH% Min/Max: 66-94
Feel Min/Max: 58 to 76		04
High: 78.4
Low: 54.1
Precip: M
Avg Wind: NE @ 4.6
Gust: 15 (1:20 PM)
RH% Min/Max: 30-91
Feel Min/Max: 54 to 78		05
High: 84.6
Low: 55.8
Precip: M
Avg Wind: ESE @ 3.6
Gust: 17 (11:50 AM)
RH% Min/Max: 24-96
Feel Min/Max: 56 to 82		06
High: 83.5
Low: 63.1
Precip: 0.00
Avg Wind: E @ 5.0
Gust: 15 (9:25 AM)
RH% Min/Max: 30-79
Feel Min/Max: 63 to 82		07
High: 75.7
Low: 62.8
Precip: M
Avg Wind: S @ 4.6
Gust: 15 (9:55 AM)
RH% Min/Max: 35-82
Feel Min/Max: 63 to 76
08
High: 74.8
Low: 58.6
Precip: M
Avg Wind: WNW @ 9.6
Gust: 27 (2:30 PM)
RH% Min/Max: 28-86
Feel Min/Max: 59 to 75		09
High: 68.7
Low: 56.5
Precip: M
Avg Wind: NW @ 12.4
Gust: 28 (1:00 PM)
RH% Min/Max: 42-72
Feel Min/Max: 56 to 69		10
High: 85.1
Low: 51.1
Precip: M
Avg Wind: WNW @ 7.3
Gust: 20 (3:05 PM)
RH% Min/Max: 29-82
Feel Min/Max: 51 to 83		11
High: 95.7
Low: 66.2
Precip: 0.10
Avg Wind: WSW @ 7.6
Gust: 53 (7:50 PM)
RH% Min/Max: 23-82
Feel Min/Max: 66 to 95		12
High: 87.3
Low: 64.9
Precip: 0.00
Avg Wind: ESE @ 6.4
Gust: 22 (12:25 AM)
RH% Min/Max: 45-94
Feel Min/Max: 65 to 90		13
High: 85.8
Low: 63.3
Precip: M
Avg Wind: SSE @ 6.6
Gust: 19 (1:10 PM)
RH% Min/Max: 45-82
Feel Min/Max: 63 to 87		14
High: 87.1
Low: 65.1
Precip: M
Avg Wind: S @ 5.9
Gust: 17 (3:20 PM)
RH% Min/Max: 50-85
Feel Min/Max: 65 to 90
15
High: 76.8
Low: 68.9
Precip: 0.00
Gust: 16 (12:40 AM)
RH% Min/Max: 69-97
Feel Min/Max: 69 to 77		16

Precip: M		1718192021
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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.