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Data Calendar for Jefferson (IA 4)

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:  

 

Feb 2026Mar 2026 Apr 2026
SundayMondayTuesdayWednesday ThursdayFridaySaturday
01
High: 31.8
Low: 16.5
Precip: 0.00
Avg Wind: N @ 0.0
RH% Min/Max: 62-91
Feel Min/Max: 16 to 32		02
High: 47.3
Low: 20.7
Precip: 0.00
Avg Wind: N @ 0.0
RH% Min/Max: 58-94
Feel Min/Max: 21 to 47		03
High: 41.2
Low: 34.2
Precip: 0.00
Avg Wind: N @ 0.0
RH% Min/Max: 87-99
Feel Min/Max: 34 to 41		04
High: 50.9
Low: 32.7
Precip: 0.00
Avg Wind: N @ 0.0
RH% Min/Max: 67-98
Feel Min/Max: 33 to 51		05
High: 56.8
Low: 40.3
Precip: 0.00
Avg Wind: N @ 0.0
RH% Min/Max: 63-97
Feel Min/Max: 40 to 57		06
High: 69.4
Low: 35.4
Precip: 0.10
Avg Wind: SE @ 0.1
Gust: 64 (4:30 AM)
RH% Min/Max: 76-97
Feel Min/Max: 35 to 69		07
High: 45.5
Low: 30.7
Precip: 0.00
Avg Wind: N @ 0.0
RH% Min/Max: 63-96
Feel Min/Max: 31 to 46
08
High: 67.8
Low: 36.7
Precip: 0.00
Avg Wind: N @ 0.0
RH% Min/Max: 33-74
Feel Min/Max: 37 to 68		09
High: 72.7
Low: 45.5
Precip: 0.00
Avg Wind: N @ 0.0
RH% Min/Max: 33-92
Feel Min/Max: 46 to 73		10
High: 59.7
Low: 35.6
Precip: 0.00
Avg Wind: N @ 0.0
Gust: 1 (6:40 AM)
RH% Min/Max: 52-95
Feel Min/Max: 36 to 60		11
High: 44.8
Low: 30.4
Precip: 0.00
Avg Wind: N @ 0.0
Gust: 1 (12:00 AM)
RH% Min/Max: 41-99
Feel Min/Max: 30 to 45		12
High: 57.4
Low: 24.8
Precip: 0.50
Avg Wind: N @ 0.0
Gust: 1 (1:15 PM)
RH% Min/Max: 30-98
Feel Min/Max: 25 to 57		13
High: 50.7
Low: 32.7
Precip: 0.00
Avg Wind: N @ 0.0
Gust: 2 (2:00 AM)
RH% Min/Max: 38-84
Feel Min/Max: 33 to 51		14
High: 50.9
Low: 30.9
Precip: 0.00
Avg Wind: N @ 0.0
Gust: 1 (2:40 PM)
RH% Min/Max: 46-75
Feel Min/Max: 31 to 51
15
High: 41.2
Low: 34.7
Precip: 0.30
Gust: 43 (4:30 AM)
RH% Min/Max: 66-89
Feel Min/Max: 29 to 41		16

Precip: M		1718192021
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29303101020304

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.