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Data Calendar for Mark Twain HS

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:  

 

Jan 2026Feb 2026 Mar 2026
SundayMondayTuesdayWednesday ThursdayFridaySaturday
01
High: 27
Low: 1
Precip: M
Gust: 20 (3:00 PM)
RH% Min/Max: 49-78
Feel Min/Max: -10 to 26		02
High: 40.1
Low: 26.4
Precip: M
Gust: 12 (1:00 AM)
RH% Min/Max: 57-87
Feel Min/Max: 22 to 40		03
High: 30.9
Low: 25.2
Precip: M
Gust: 15 (1:00 PM)
RH% Min/Max: 66-88
Feel Min/Max: 18 to 24		04
High: 31.1
Low: 14.7
Precip: M
Gust: 12 (12:00 AM)
RH% Min/Max: 49-84
Feel Min/Max: 7 to 30		05
High: 45.9
Low: 16.3
Precip: M
Gust: 19 (11:00 AM)
RH% Min/Max: 60-82
Feel Min/Max: 14 to 43		06
High: 47.8
Low: 30.7
Precip: M
Gust: 27 (12:00 PM)
RH% Min/Max: 59-86
Feel Min/Max: 24 to 42		07
High: 38.5
Low: 21.7
Precip: M
Gust: 17 (9:00 PM)
RH% Min/Max: 45-86
Feel Min/Max: 17 to 33
08
High: 45.3
Low: 26.8
Precip: M
Gust: 15 (3:00 AM)
RH% Min/Max: 46-84
Feel Min/Max: 18 to 42		09
High: 56.7
Low: 22.5
Precip: M
Gust: 15 (9:00 PM)
RH% Min/Max: 46-87
Feel Min/Max: 18 to 57		10
High: 54.5
Low: 37.6
Precip: M
Gust: 19 (10:00 AM)
RH% Min/Max: 36-83
Feel Min/Max: 31 to 54		11
High: 48.2
Low: 23.2
Precip: M
Gust: 16 (12:00 AM)
RH% Min/Max: 37-91
Feel Min/Max: 22 to 48		12
High: 55.8
Low: 31.8
Precip: M
Gust: 16 (12:00 PM)
RH% Min/Max: 29-82
Feel Min/Max: 31 to 56		13
High: 61.9
Low: 32.4
Precip: M
Gust: 17 (1:00 PM)
RH% Min/Max: 34-73
Feel Min/Max: 29 to 62		14
High: 52.7
Low: 35.2
Precip: M
Gust: 14 (7:00 PM)
RH% Min/Max: 56-98
Feel Min/Max: 35 to 53
15
High: 57.2
Low: 42.1
Precip: M
Gust: 11 (3:00 PM)
RH% Min/Max: 63-99
Feel Min/Max: 40 to 57		16
High: 63.7
Low: 40.6
Precip: M
Gust: 20 (2:00 PM)
RH% Min/Max: 40-95
Feel Min/Max: 38 to 64		17
High: 57.9
Low: 46.2
Precip: M
Gust: 24 (8:00 PM)
RH% Min/Max: 60-80
Feel Min/Max: 44 to 58		18
High: 61.9
Low: 54.5
Precip: M
Gust: 21 (1:00 AM)
RH% Min/Max: 32-84
Feel Min/Max: 54 to 62		19

Precip: M		2021
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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.