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Data Calendar for Berwyn - ISWS Lake Michigan

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: 96.62
Low: 72.32
Precip: M		02
High: 94.46
Low: 71.96
Precip: M		03
High: 99.14
Low: 81.14
Precip: M		04
High: 96.08
Low: 74.84
Precip: M		05
High: 101.48
Low: 76.82
Precip: M
06
High: 94.28
Low: 69.98
Precip: M		07
High: 89.96
Low: 66.92
Precip: M		08
High: 93.2
Low: 70.34
Precip: M		09
High: 86.9
Low: 69.26
Precip: M		10
High: 88.88
Low: 68.36
Precip: M		11
High: 96.98
Low: 70.34
Precip: M		12
High: 89.24
Low: 70.88
Precip: M
13
High: 89.78
Low: 69.8
Precip: M		14
High: 96.08
Low: 66.2
Precip: M		15
High: 86.36
Low: 72.68
Precip: M		16

Precip: M		171819
20212223242526
27282930310102

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.