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Data Calendar for Mason City US18

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:  

 

Dec 2024Jan 2025 Feb 2025
SundayMondayTuesdayWednesday ThursdayFridaySaturday
29303101
High: 26.6
Low: 19
Precip: 0.00
Gust: 38 (4:40 AM)
RH% Min/Max: 69-84
Feel Min/Max: 1 to 22		02
High: 27.9
Low: 13.099989
Precip: 0.00
Gust: 24 (6:00 PM)
RH% Min/Max: 61-100
Feel Min/Max: -4 to 22		03
High: 19.200203
Low: 7.199617
Precip: 0.00
Gust: 26 (12:00 PM)
RH% Min/Max: 60-100
Feel Min/Max: -9 to 7		04
High: 15.400416
Low: 1.399989
Precip: 0.00
Gust: 17 (1:40 AM)
RH% Min/Max: 49-100
Feel Min/Max: -16 to 8
05
High: 15.299617
Low: 5.4
Precip: 0.00
Gust: 26 (4:10 PM)
RH% Min/Max: 41-100
Feel Min/Max: -14 to 4		06
High: 21.6
Low: 5.199775
Precip: 0.00
Gust: 20 (12:50 PM)
RH% Min/Max: 51-100
Feel Min/Max: -12 to 12		07
High: 24.1
Low: 7.699989
Precip: 0.00
Gust: 13 (12:50 PM)
RH% Min/Max: 45-100
Feel Min/Max: -3 to 19		08
High: 23.2
Low: 3.9
Precip: 0.00
Gust: 20 (1:10 PM)
RH% Min/Max: 52-100
Feel Min/Max: -12 to 15		09
High: 32.2
Low: 7.3
Precip: 0.00
Gust: 20 (5:25 PM)
RH% Min/Max: 65-100
Feel Min/Max: -6 to 26		10
High: 28.200203
Low: 20.8
Precip: 0.00
Gust: 21 (10:15 AM)
RH% Min/Max: 69-100
Feel Min/Max: 11 to 22		11
High: 30.900202
Low: 20.1
Precip: 0.00
Gust: 22 (4:05 PM)
RH% Min/Max: 69-100
Feel Min/Max: 9 to 25
12
High: 32.500416
Low: 3.9
Precip: 0.00
Gust: 40 (6:50 PM)
RH% Min/Max: 67-100
Feel Min/Max: -18 to 25		13
High: 17.8
Low: 1.399989
Precip: 0.00
Gust: 28 (12:10 AM)
RH% Min/Max: 54-100
Feel Min/Max: -20 to 8		14
High: 11.3
Low: -6.500197
Precip: 0.00
Gust: 26 (1:10 AM)
RH% Min/Max: 61-100
Feel Min/Max: -28 to 7		15
High: 29.5
Low: -0.2
Precip: 0.00
Gust: 28 (3:05 PM)
RH% Min/Max: 61-100
Feel Min/Max: -14 to 18		16
High: 39.2
Low: 25.2
Precip: 0.00
Gust: 33 (2:30 AM)
RH% Min/Max: 59-100
Feel Min/Max: 14 to 34		17
High: 44.1
Low: 15.799989
Precip: 0.00
Gust: 35 (7:40 PM)
RH% Min/Max: 55-100
Feel Min/Max: -1 to 37		18
High: 15.8
Low: -2.5996113
Precip: 0.00
Gust: 31 (12:50 AM)
RH% Min/Max: 37-100
Feel Min/Max: -27 to 2
19
High: 0.3
Low: -10.300011
Precip: 0.00
Gust: 29 (12:00 AM)
RH% Min/Max: 50-100
Feel Min/Max: -37 to -13		20
High: -2.9
Low: -15
Precip: 0.00
Gust: 29 (1:10 PM)
RH% Min/Max: 47-100
Feel Min/Max: -37 to -20		21
High: 8.599989
Low: -16.20041
Precip: 0.00
Gust: 25 (10:05 PM)
RH% Min/Max: 39-100
Feel Min/Max: -37 to -6		22
High: 33.4
Low: 8.8
Precip: 0.00
Gust: 32 (9:20 PM)
RH% Min/Max: 57-100
Feel Min/Max: -8 to 25		23
High: 15.1
Low: -0.6
Precip: 0.00
Gust: 24 (11:55 AM)
RH% Min/Max: 40-100
Feel Min/Max: -21 to 3		24
High: 27.300203
Low: 0
Precip: 0.00
Gust: 26 (12:50 PM)
RH% Min/Max: 56-100
Feel Min/Max: -13 to 27		25
High: 32
Low: 14.199776
Precip: 0.00
Gust: 40 (11:40 AM)
RH% Min/Max: 48-100
Feel Min/Max: -2 to 19
26
High: 31.8
Low: 3.4
Precip: 0.00
Gust: 21 (3:35 PM)
RH% Min/Max: 28-100
Feel Min/Max: -9 to 23		27
High: 43
Low: 17.2
Precip: 0.00
Gust: 40 (3:15 PM)
RH% Min/Max: 27-100
Feel Min/Max: 2 to 35		28
High: 53.8
Low: 20.1
Precip: 0.00
Gust: 47 (3:20 PM)
RH% Min/Max: 30-100
Feel Min/Max: 9 to 54		29
High: 44.1
Low: 27.499989
Precip: 0.00
Gust: 28 (12:40 PM)
RH% Min/Max: 44-83
Feel Min/Max: 18 to 44		30
High: 61.5
Low: 28
Precip: 0.00
Gust: 24 (11:50 AM)
RH% Min/Max: 28-76
Feel Min/Max: 21 to 62		31
High: 47.1
Low: 27.699776
Precip: 0.00
Gust: 26 (2:05 PM)
RH% Min/Max: 38-81
Feel Min/Max: 22 to 43		01

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.