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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:  

 

Oct 2025Nov 2025 Dec 2025
SundayMondayTuesdayWednesday ThursdayFridaySaturday
26272829303101
High: 50.5
Low: 34.3
Precip: 0.00
Avg Wind: NNW @ 3.8
Gust: 14 (2:20 AM)
RH% Min/Max: 55-98
Feel Min/Max: 31 to 50
02
High: 51.6
Low: 28.4
Precip: 0.00
Avg Wind: SW @ 8.1
Gust: 29 (1:30 PM)
RH% Min/Max: 54-100
Feel Min/Max: 24 to 52
03
High: 61.3
Low: 40.8
Precip: 0.00
Avg Wind: NW @ 6.3
Gust: 25 (2:40 PM)
RH% Min/Max: 21-83
Feel Min/Max: 35 to 61
04
High: 65.7
Low: 38.1
Precip: 0.00
Avg Wind: S @ 5.5
Gust: 29 (2:10 PM)
RH% Min/Max: 34-86
Feel Min/Max: 29 to 66
05
High: 58.8
Low: 38.7
Precip: 0.00
Avg Wind: NNW @ 8.5
Gust: 28 (7:10 AM)
RH% Min/Max: 26-86
Feel Min/Max: 36 to 59
06
High: 57.9
Low: 36.3
Precip: 0.00
Avg Wind: S @ 7.8
Gust: 26 (12:40 PM)
RH% Min/Max: 29-81
Feel Min/Max: 33 to 58
07
High: 61.7
Low: 42.8
Precip: 0.00
Avg Wind: NNW @ 11.3
Gust: 81 (7:00 PM)
RH% Min/Max: 44-83
Feel Min/Max: 36 to 62
08
High: 42.8
Low: 31.1
Precip: 0.00
Avg Wind: NNE @ 5.0
Gust: 19 (8:05 PM)
RH% Min/Max: 70-98
Feel Min/Max: 21 to 43
09
High: 30.9
Low: 25.2
Precip: 0.00
Gust: 32 (9:30 AM)
RH% Min/Max: 53-80
Feel Min/Max: 11 to 29
10

Precip: M
1112131415
16171819202122
23242526272829
30010203040506

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.