Mason City weather in September

In September, Mason City sees average daytime highs of 72°F and overnight lows near 52°F, with 3.5 in of rain across 9.3 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 76°F in the first days to 67°F by the end. The sky is clear or mostly clear about 44% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 hours at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Mason City's 1st-clearest and 9th-windiest month. For the whole year in context, see Mason City's year-round climate.

Daytime high: 72°; 4th warmest
Overnight low: 52°; 9th coldest
Rainfall: 3.5 in; 9.3 wet days
Daylight: 12 h 18 min; 5:58 AM – 6:16 PM
Cloud cover: 48%; 1st clearest
Wind: 9 mph; 9th windiest
Solar energy: 4.41 kWh/m²
Travel score: 6.9; out of 10

Mason City is city and the county seat of Cerro Gordo County, Iowa, United States.

Density: 376/km²; people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

← August Mason City year-round climate October →Best places to visit in September

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 76°F in the first days to 67°F by the end.

A typical September day in Mason City reaches about 72°F in the afternoon and slips back to 52°F overnight — a 20°F spread between the day's warmth and the night's chill. On most days the high lands between 61°F and 83°F. Set against its neighbours, September runs about 6°F cooler than August and about 13°F warmer than October.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°F)	77	77	76	76	76	75	75	75	74	74	74	73	73	73	72	72	72	71	71	70	70	70	69	69	68	68	68	67	67	66
Avg low (°F)	58	58	57	57	56	56	56	55	55	55	54	54	53	53	53	52	52	51	51	51	50	50	49	49	48	48	47	47	47	46

	Avg high (°F)	Avg low (°F)
1	77	58
2	77	58
3	76	57
4	76	57
5	76	56
6	75	56
7	75	56
8	75	55
9	74	55
10	74	55
11	74	54
12	73	54
13	73	53
14	73	53
15	72	53
16	72	52
17	72	52
18	71	51
19	71	51
20	70	51
21	70	50
22	70	50
23	69	49
24	69	49
25	68	48
26	68	48
27	68	47
28	67	47
29	67	47
30	66	46

How September really feels in Mason City

Once humidity and wind are folded in, September averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F

heat index over the day's high

Days feeling ≤ 32°F

wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Mason City weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 6th-wettest month here — the current month is highlighted below.

Month	High / Low (°F)	Rainfall (inches)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	24° / 9°	1.1	6.1	5.7	9.2	0.0
Feb	28° / 13°	1.2	5.9	5.3	10.2	0.0
Mar	42° / 25°	2.4	8.5	3.9	11.6	0.7
Apr	57° / 37°	4.0	11.5	1.9	13.1	3.8
May	69° / 49°	5.1	13.6	0.1	14.4	5.8
Jun	78° / 60°	5.4	12.6	0	15.1	6.3
Jul	80° / 63°	4.0	9.7	0	14.9	6.7
Aug	78° / 60°	4.0	10.2	0	13.8	6.9
Sep	72° / 52°	3.5	9.3	0	12.3	6.9
Oct	59° / 40°	2.7	8.2	0.5	10.8	4.8
Nov	43° / 27°	1.9	6.5	2.8	9.5	0.9
Dec	30° / 15°	1.5	6.7	5.9	8.9	0.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of September, with mostly cloudy or overcast conditions the remaining 41%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	64	64	64	63	64	63	62	62	61	60	59	59	58	57	56	56	55	55	55	56	55	56	56	57	56	57	57	57	57	57
Cloudier (%)	36	36	36	37	36	37	38	38	39	40	41	41	42	43	44	44	45	45	45	44	45	44	44	43	44	43	43	43	43	43

	Clearer (%)	Cloudier (%)
1	64	36
2	64	36
3	64	36
4	63	37
5	64	36
6	63	37
7	62	38
8	62	38
9	61	39
10	60	40
11	59	41
12	59	41
13	58	42
14	57	43
15	56	44
16	56	44
17	55	45
18	55	45
19	55	45
20	56	44
21	55	45
22	56	44
23	56	44
24	57	43
25	56	44
26	57	43
27	57	43
28	57	43
29	57	43
30	57	43

Chance of precipitation in September

Any precipitation

Mason City gets around 3.5 in of rain over 9.3 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 31% and peaks near 35% on the wettest days.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	27	27	28	28	28	29	29	30	30	31	32	33	33	34	34	34	35	35	34	34	34	33	33	32	32	31	31	30	30	30

	Rain chance (%)
1	27
2	27
3	28
4	28
5	28
6	29
7	29
8	30
9	30
10	31
11	32
12	33
13	33
14	34
15	34
16	34
17	35
18	35
19	34
20	34
21	34
22	33
23	33
24	32
25	32
26	31
27	31
28	30
29	30
30	30

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the dry band about 59% of days. Sticky, muggy-or-worse air turns up on roughly 10% of them.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Dry (%)	30	33	35	38	40	42	45	47	49	51	52	53	56	57	59	60	62	63	65	67	68	70	72	74	75	77	79	80	81	83
Comfortable (%)	26	26	26	25	25	24	23	23	22	21	21	21	20	20	20	20	19	19	18	18	17	17	16	15	15	14	13	12	12	11
Humid (%)	20	19	19	18	18	18	17	17	17	16	16	15	14	14	13	12	11	11	10	9	9	8	7	7	6	6	5	5	5	4
Muggy (%)	20	19	17	16	15	13	13	12	11	11	10	10	9	9	8	8	8	7	7	6	6	5	5	4	4	3	3	3	2	2
Oppressive (%)	4	4	3	3	3	2	2	2	2	1	1	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)	Oppressive (%)
1	30	26	20	20	4
2	33	26	19	19	4
3	35	26	19	17	3
4	38	25	18	16	3
5	40	25	18	15	3
6	42	24	18	13	2
7	45	23	17	13	2
8	47	23	17	12	2
9	49	22	17	11	2
10	51	21	16	11	1
11	52	21	16	10	1
12	53	21	15	10	1
13	56	20	14	9	1
14	57	20	14	9	0
15	59	20	13	8	0
16	60	20	12	8	0
17	62	19	11	8	0
18	63	19	11	7	0
19	65	18	10	7	0
20	67	18	9	6	0
21	68	17	9	6	0
22	70	17	8	5	0
23	72	16	7	5	0
24	74	15	7	4	0
25	75	15	6	4	0
26	77	14	6	3	0
27	79	13	5	3	0
28	80	12	5	3	0
29	81	12	5	2	0
30	83	11	4	2	0

Wind in September

Winds average 9 mph in September.

Across September, daily wind ranges from about 9 mph on the calmest days to 10 mph at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (mph)	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	10	10	10	10	10	10	10	10	10	10	10	10	10	10
Feels	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze

	Wind speed (mph)	Feels
1	9	light breeze
2	9	light breeze
3	9	light breeze
4	9	light breeze
5	9	light breeze
6	9	light breeze
7	9	light breeze
8	9	light breeze
9	9	light breeze
10	9	light breeze
11	9	light breeze
12	9	light breeze
13	9	light breeze
14	9	light breeze
15	9	light breeze
16	9	light breeze
17	10	light breeze
18	10	light breeze
19	10	light breeze
20	10	light breeze
21	10	light breeze
22	10	light breeze
23	10	light breeze
24	10	light breeze
25	10	light breeze
26	10	light breeze
27	10	light breeze
28	10	light breeze
29	10	light breeze
30	10	light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 hours at the start of September to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 84 minutes over September. Sunrise moves from 5:41 AM to 6:15 AM, and sunset from 6:44 PM to 5:50 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	13.0	13.0	12.9	12.9	12.8	12.8	12.7	12.7	12.6	12.6	12.5	12.5	12.4	12.4	12.3	12.3	12.2	12.2	12.1	12.1	12.0	12.0	11.9	11.9	11.8	11.8	11.7	11.7	11.6	11.6
Sunrise (AM)	5:41	5:43	5:44	5:45	5:46	5:47	5:48	5:49	5:51	5:52	5:53	5:54	5:55	5:56	5:57	5:58	6:00	6:01	6:02	6:03	6:04	6:05	6:06	6:08	6:09	6:10	6:11	6:12	6:13	6:15
Sunset (PM)	6:44	6:42	6:40	6:38	6:36	6:34	6:33	6:31	6:29	6:27	6:25	6:23	6:21	6:20	6:18	6:16	6:14	6:12	6:10	6:08	6:06	6:05	6:03	6:01	5:59	5:57	5:55	5:53	5:51	5:50

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	13.0	5:41	6:44
2	13.0	5:43	6:42
3	12.9	5:44	6:40
4	12.9	5:45	6:38
5	12.8	5:46	6:36
6	12.8	5:47	6:34
7	12.7	5:48	6:33
8	12.7	5:49	6:31
9	12.6	5:51	6:29
10	12.6	5:52	6:27
11	12.5	5:53	6:25
12	12.5	5:54	6:23
13	12.4	5:55	6:21
14	12.4	5:56	6:20
15	12.3	5:57	6:18
16	12.3	5:58	6:16
17	12.2	6:00	6:14
18	12.2	6:01	6:12
19	12.1	6:02	6:10
20	12.1	6:03	6:08
21	12.0	6:04	6:06
22	12.0	6:05	6:05
23	11.9	6:06	6:03
24	11.9	6:08	6:01
25	11.8	6:09	5:59
26	11.8	6:10	5:57
27	11.7	6:11	5:55
28	11.7	6:12	5:53
29	11.6	6:13	5:51
30	11.6	6:15	5:50

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.41 kWh/m².

For context, solar energy here swings from a low near 1.64 kWh/m² to a high of 6.38 kWh/m² in July across the year — September's 4.41 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	5.1	5.1	5.0	5.0	4.9	4.9	4.8	4.8	4.7	4.7	4.6	4.5	4.5	4.4	4.4	4.3	4.3	4.2	4.2	4.1	4.1	4.0	4.0	4.0	3.9	3.9	3.9	3.8	3.8	3.7
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	5.1	Bright
2	5.1	Bright
3	5.0	Bright
4	5.0	Bright
5	4.9	Bright
6	4.9	Bright
7	4.8	Bright
8	4.8	Bright
9	4.7	Bright
10	4.7	Bright
11	4.6	Bright
12	4.5	Bright
13	4.5	Bright
14	4.4	Bright
15	4.4	Bright
16	4.3	Bright
17	4.3	Bright
18	4.2	Bright
19	4.2	Bright
20	4.1	Bright
21	4.1	Bright
22	4.0	Bright
23	4.0	Moderate
24	4.0	Moderate
25	3.9	Moderate
26	3.9	Moderate
27	3.9	Moderate
28	3.8	Moderate
29	3.8	Moderate
30	3.7	Moderate

Planning a trip in September

Hazard calendar for Mason City

In seasonPeak

In September, Mason City sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Mason City's rainy season runs April–October, when most of the year's rain falls.

Rainy season

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is September a good time to visit Mason City?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.9

Sightseeing

1st-best month of the year

4.8

Beach & pool

4th-best month of the year

September is a reasonable time to visit Mason City for sightseeing.

What to pack for Mason City in September

From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In September, Mason City sees daytime highs around 72°F and nights near 52°F. Worth packing: light clothes and rain gear. About 9 days see rain.

light clothesrain gear

UV index in Mason City in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mason City peaks around June 16 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	2	2	4	6	7	9	7	7	6	4	2	2
Level	Low	Moderate	Moderate	High	Very high	Very high	Very high	Very high	High	Moderate	Moderate	Low

	UV index (midday)	Level
Jan	2	Low
Feb	2	Moderate
Mar	4	Moderate
Apr	6	High
May	7	Very high
Jun	9	Very high
Jul	7	Very high
Aug	7	Very high
Sep	6	High
Oct	4	Moderate
Nov	2	Moderate
Dec	2	Low

Location & terrain

Where is Mason City?

Mason City sits at 43.2°N, 93.2°W, 1,129 ft above sea level, in United States. The nearest listed city is Albert Lea, 35 mi away.

Topography around Mason City

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Mason City.

Within 2 miles, the terrain around Mason City has only modest variations in elevation — a maximum elevation change of 135 ft around an average of 1,129 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 285 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 577 ft.

The land around Mason City is covered by trees (38%) and artificial surfaces (29%) within 2 miles, cropland (77%) within 10 miles, and cropland (89%) within 50 miles.

2 miles

135 ft

trees 38%

10 miles

285 ft

cropland 77%

50 miles

577 ft

cropland 89%

treesgrasslandcroplandartificial surfacesbare terrainwater

← August Mason City year-round climate October →Best places to visit in September

September weather nearby: Albert Lea 35 mi · Austin 37 mi · Cedar Falls 58 mi · Waterloo 63 mi · Owatonna 64 mi · Fort Dodge 66 mi · Rochester 70 mi · Marshalltown 78 mi

United States travel facts

Power plugs: Type A / B; 120 V · 60 Hz
Prices: ≈ 100% of US; price level, 2025
GDP per capita: $90,027; 2025
Happiness: 6.8 / 10; World Happiness, 2025
Safe drinking water: 98%; of population, 2024
Homicide rate: 5.8; per 100k, 2023
Road deaths: 12.7; per 100k/yr, 2019
Income group: High; World Bank
Religion

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Mason City (43.1536°, -93.201°, elevation 1,129 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).

	Avg high (°F)	Avg low (°F)
1	77	58
2	77	58
3	76	57
4	76	57
5	76	56
6	75	56
7	75	56
8	75	55
9	74	55
10	74	55
11	74	54
12	73	54
13	73	53
14	73	53
15	72	53
16	72	52
17	72	52
18	71	51
19	71	51
20	70	51
21	70	50
22	70	50
23	69	49
24	69	49
25	68	48
26	68	48
27	68	47
28	67	47
29	67	47
30	66	46

	Clearer (%)	Cloudier (%)
1	64	36
2	64	36
3	64	36
4	63	37
5	64	36
6	63	37
7	62	38
8	62	38
9	61	39
10	60	40
11	59	41
12	59	41
13	58	42
14	57	43
15	56	44
16	56	44
17	55	45
18	55	45
19	55	45
20	56	44
21	55	45
22	56	44
23	56	44
24	57	43
25	56	44
26	57	43
27	57	43
28	57	43
29	57	43
30	57	43

	Rain chance (%)
1	27
2	27
3	28
4	28
5	28
6	29
7	29
8	30
9	30
10	31
11	32
12	33
13	33
14	34
15	34
16	34
17	35
18	35
19	34
20	34
21	34
22	33
23	33
24	32
25	32
26	31
27	31
28	30
29	30
30	30

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)	Oppressive (%)
1	30	26	20	20	4
2	33	26	19	19	4
3	35	26	19	17	3
4	38	25	18	16	3
5	40	25	18	15	3
6	42	24	18	13	2
7	45	23	17	13	2
8	47	23	17	12	2
9	49	22	17	11	2
10	51	21	16	11	1
11	52	21	16	10	1
12	53	21	15	10	1
13	56	20	14	9	1
14	57	20	14	9	0
15	59	20	13	8	0
16	60	20	12	8	0
17	62	19	11	8	0
18	63	19	11	7	0
19	65	18	10	7	0
20	67	18	9	6	0
21	68	17	9	6	0
22	70	17	8	5	0
23	72	16	7	5	0
24	74	15	7	4	0
25	75	15	6	4	0
26	77	14	6	3	0
27	79	13	5	3	0
28	80	12	5	3	0
29	81	12	5	2	0
30	83	11	4	2	0

	Avg high (°F)	Avg low (°F)
1	77	58
2	77	58
3	76	57
4	76	57
5	76	56
6	75	56
7	75	56
8	75	55
9	74	55
10	74	55
11	74	54
12	73	54
13	73	53
14	73	53
15	72	53
16	72	52
17	72	52
18	71	51
19	71	51
20	70	51
21	70	50
22	70	50
23	69	49
24	69	49
25	68	48
26	68	48
27	68	47
28	67	47
29	67	47
30	66	46

	Clearer (%)	Cloudier (%)
1	64	36
2	64	36
3	64	36
4	63	37
5	64	36
6	63	37
7	62	38
8	62	38
9	61	39
10	60	40
11	59	41
12	59	41
13	58	42
14	57	43
15	56	44
16	56	44
17	55	45
18	55	45
19	55	45
20	56	44
21	55	45
22	56	44
23	56	44
24	57	43
25	56	44
26	57	43
27	57	43
28	57	43
29	57	43
30	57	43

	Rain chance (%)
1	27
2	27
3	28
4	28
5	28
6	29
7	29
8	30
9	30
10	31
11	32
12	33
13	33
14	34
15	34
16	34
17	35
18	35
19	34
20	34
21	34
22	33
23	33
24	32
25	32
26	31
27	31
28	30
29	30
30	30

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)	Oppressive (%)
1	30	26	20	20	4
2	33	26	19	19	4
3	35	26	19	17	3
4	38	25	18	16	3
5	40	25	18	15	3
6	42	24	18	13	2
7	45	23	17	13	2
8	47	23	17	12	2
9	49	22	17	11	2
10	51	21	16	11	1
11	52	21	16	10	1
12	53	21	15	10	1
13	56	20	14	9	1
14	57	20	14	9	0
15	59	20	13	8	0
16	60	20	12	8	0
17	62	19	11	8	0
18	63	19	11	7	0
19	65	18	10	7	0
20	67	18	9	6	0
21	68	17	9	6	0
22	70	17	8	5	0
23	72	16	7	5	0
24	74	15	7	4	0
25	75	15	6	4	0
26	77	14	6	3	0
27	79	13	5	3	0
28	80	12	5	3	0
29	81	12	5	2	0
30	83	11	4	2	0

	Avg high (°F)	Avg low (°F)
1	77	58
2	77	58
3	76	57
4	76	57
5	76	56
6	75	56
7	75	56
8	75	55
9	74	55
10	74	55
11	74	54
12	73	54
13	73	53
14	73	53
15	72	53
16	72	52
17	72	52
18	71	51
19	71	51
20	70	51
21	70	50
22	70	50
23	69	49
24	69	49
25	68	48
26	68	48
27	68	47
28	67	47
29	67	47
30	66	46

	Clearer (%)	Cloudier (%)
1	64	36
2	64	36
3	64	36
4	63	37
5	64	36
6	63	37
7	62	38
8	62	38
9	61	39
10	60	40
11	59	41
12	59	41
13	58	42
14	57	43
15	56	44
16	56	44
17	55	45
18	55	45
19	55	45
20	56	44
21	55	45
22	56	44
23	56	44
24	57	43
25	56	44
26	57	43
27	57	43
28	57	43
29	57	43
30	57	43

	Rain chance (%)
1	27
2	27
3	28
4	28
5	28
6	29
7	29
8	30
9	30
10	31
11	32
12	33
13	33
14	34
15	34
16	34
17	35
18	35
19	34
20	34
21	34
22	33
23	33
24	32
25	32
26	31
27	31
28	30
29	30
30	30

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)	Oppressive (%)
1	30	26	20	20	4
2	33	26	19	19	4
3	35	26	19	17	3
4	38	25	18	16	3
5	40	25	18	15	3
6	42	24	18	13	2
7	45	23	17	13	2
8	47	23	17	12	2
9	49	22	17	11	2
10	51	21	16	11	1
11	52	21	16	10	1
12	53	21	15	10	1
13	56	20	14	9	1
14	57	20	14	9	0
15	59	20	13	8	0
16	60	20	12	8	0
17	62	19	11	8	0
18	63	19	11	7	0
19	65	18	10	7	0
20	67	18	9	6	0
21	68	17	9	6	0
22	70	17	8	5	0
23	72	16	7	5	0
24	74	15	7	4	0
25	75	15	6	4	0
26	77	14	6	3	0
27	79	13	5	3	0
28	80	12	5	3	0
29	81	12	5	2	0
30	83	11	4	2	0