Mason City weather in December

In December, Mason City sees average daytime highs of 30°F and overnight lows near 15°F, with 1.5 in of precipitation across 6.7 wet days and about 8.9 hours of daylight. It is the 10th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 34°F in the first days to 26°F by the end. The sky is clear or mostly clear about 24% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 hours at the start of December to 8 h 48 min by month's end. Set against the rest of the year, December is Mason City's 11th-clearest and 7th-windiest month. For the whole year in context, see Mason City's year-round climate.

Daytime high: 30°; 10th warmest
Overnight low: 15°; 3rd coldest
Precipitation: 1.5 in; 6.7 wet days
Daylight: 8 h 48 min; 7:44 AM – 4:34 PM
Cloud cover: 68%; 11th clearest
Wind: 10 mph; 7th windiest
Solar energy: 1.64 kWh/m²
Travel score: 0.0; 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.

← November Mason City year-round climate January →Best places to visit in December

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 34°F in the first days to 26°F by the end.

A typical December day in Mason City reaches about 30°F in the afternoon and slips back to 15°F overnight — a 14°F spread between the day's warmth and the night's chill. On most days the high lands between 13°F and 44°F. Set against its neighbours, December runs about 14°F cooler than November and about 5°F warmer than January.

	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	31
Avg high (°F)	35	35	34	34	33	33	32	32	31	31	31	30	30	30	29	29	29	29	29	28	28	28	28	27	27	27	27	26	26	26	26
Avg low (°F)	20	20	19	19	19	18	18	17	17	17	17	16	16	16	15	15	15	15	15	14	14	14	14	13	13	13	13	12	12	12	11

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

How December really feels in Mason City

Once humidity and wind are folded in, December averages 0 days that feel above 90°F and 31 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

31 feel bitter (≤ 14°F)

The story in December is cold — wind chill drags the overnight "feels like" below the raw low.

Mason City weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 10th-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 December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 11% of December, with mostly cloudy or overcast conditions the remaining 65%.

	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	31
Clearer (%)	40	40	39	40	39	39	39	38	37	36	36	35	35	35	34	33	32	32	32	32	32	32	32	31	32	32	32	33	33	34	34
Cloudier (%)	60	60	61	60	61	61	61	62	63	64	64	65	65	65	66	67	68	68	68	68	68	68	68	69	68	68	68	67	67	66	66

	Clearer (%)	Cloudier (%)
1	40	60
2	40	60
3	39	61
4	40	60
5	39	61
6	39	61
7	39	61
8	38	62
9	37	63
10	36	64
11	36	64
12	35	65
13	35	65
14	35	65
15	34	66
16	33	67
17	32	68
18	32	68
19	32	68
20	32	68
21	32	68
22	32	68
23	32	68
24	31	69
25	32	68
26	32	68
27	32	68
28	33	67
29	33	67
30	34	66
31	34	66

Chance of precipitation in December

Any precipitationSnow

Mason City gets around 1.5 in of rain and snow over 6.7 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 21% and peaks near 23% on the wettest days, and about 6 days bring snow.

	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	31
Rain chance (%)	23	23	23	23	22	22	22	22	22	22	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	20	20	20	19
Snow chance (%)	17	17	17	17	17	17	17	17	17	17	17	17	17	18	18	18	18	19	19	19	19	20	20	20	20	20	19	19	19	18	18

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

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

	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	31
Dry (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

Wind in December

Winds average 10 mph in December.

Across December, daily wind ranges from about 10 mph on the calmest days to 11 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	31
Wind speed (mph)	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	11	11	11
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	light breeze

	Wind speed (mph)	Feels
1	10	light breeze
2	10	light breeze
3	10	light breeze
4	10	light breeze
5	10	light breeze
6	10	light breeze
7	10	light breeze
8	10	light breeze
9	10	light breeze
10	10	light breeze
11	10	light breeze
12	10	light breeze
13	10	light breeze
14	10	light breeze
15	10	light breeze
16	10	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	11	light breeze
30	11	light breeze
31	11	light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 hours at the start of December to 8 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over December. Sunrise moves from 7:31 AM to 7:51 AM, and sunset from 4:34 PM to 4:41 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	31
Daylight (h)	9.0	9.0	9.0	9.0	9.0	8.9	8.9	8.9	8.9	8.9	8.9	8.9	8.8	8.8	8.8	8.8	8.8	8.8	8.8	8.8	8.8	8.8	8.8	8.8	8.8	8.8	8.8	8.8	8.8	8.8	8.8
Sunrise (AM)	7:31	7:32	7:33	7:34	7:35	7:36	7:37	7:38	7:39	7:40	7:41	7:41	7:42	7:43	7:44	7:44	7:45	7:46	7:46	7:47	7:47	7:48	7:48	7:49	7:49	7:49	7:50	7:50	7:50	7:50	7:51
Sunset (PM)	4:34	4:34	4:33	4:33	4:33	4:33	4:33	4:33	4:33	4:33	4:33	4:33	4:33	4:33	4:33	4:34	4:34	4:34	4:35	4:35	4:35	4:36	4:36	4:37	4:37	4:38	4:39	4:39	4:40	4:41	4:41

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	9.0	7:31	4:34
2	9.0	7:32	4:34
3	9.0	7:33	4:33
4	9.0	7:34	4:33
5	9.0	7:35	4:33
6	8.9	7:36	4:33
7	8.9	7:37	4:33
8	8.9	7:38	4:33
9	8.9	7:39	4:33
10	8.9	7:40	4:33
11	8.9	7:41	4:33
12	8.9	7:41	4:33
13	8.8	7:42	4:33
14	8.8	7:43	4:33
15	8.8	7:44	4:33
16	8.8	7:44	4:34
17	8.8	7:45	4:34
18	8.8	7:46	4:34
19	8.8	7:46	4:35
20	8.8	7:47	4:35
21	8.8	7:47	4:35
22	8.8	7:48	4:36
23	8.8	7:48	4:36
24	8.8	7:49	4:37
25	8.8	7:49	4:37
26	8.8	7:49	4:38
27	8.8	7:50	4:39
28	8.8	7:50	4:39
29	8.8	7:50	4:40
30	8.8	7:50	4:41
31	8.8	7:51	4:41

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.64 kWh/m² — the year's lowest.

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 — December's 1.64 kWh/m² sits near the bottom.

	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	31
Solar energy (kWh/m²)	1.7	1.7	1.7	1.7	1.7	1.7	1.7	1.7	1.7	1.6	1.6	1.6	1.6	1.6	1.6	1.6	1.6	1.6	1.6	1.6	1.6	1.6	1.6	1.6	1.6	1.6	1.7	1.7	1.7	1.7	1.7
Level	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim

	Solar energy (kWh/m²)	Level
1	1.7	Dim
2	1.7	Dim
3	1.7	Dim
4	1.7	Dim
5	1.7	Dim
6	1.7	Dim
7	1.7	Dim
8	1.7	Dim
9	1.7	Dim
10	1.6	Dim
11	1.6	Dim
12	1.6	Dim
13	1.6	Dim
14	1.6	Dim
15	1.6	Dim
16	1.6	Dim
17	1.6	Dim
18	1.6	Dim
19	1.6	Dim
20	1.6	Dim
21	1.6	Dim
22	1.6	Dim
23	1.6	Dim
24	1.6	Dim
25	1.6	Dim
26	1.6	Dim
27	1.7	Dim
28	1.7	Dim
29	1.7	Dim
30	1.7	Dim
31	1.7	Dim

Planning a trip in December

Hazard calendar for Mason City

In seasonPeak

None of Mason City's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

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 December a good time to visit Mason City?

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

0.0

Sightseeing

10th-best month of the year

0.0

Beach & pool

8th-best month of the year

December is a weaker month for outdoor sightseeing in Mason City.

What to pack for Mason City in December

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

In December, Mason City sees daytime highs around 30°F and nights near 15°F. Pack a warm layer and a heavy coat. About 7 days see rain.

a warm layera heavy coat

UV index in Mason City in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 2. 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

← November Mason City year-round climate January →Best places to visit in December

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

	Clearer (%)	Cloudier (%)
1	40	60
2	40	60
3	39	61
4	40	60
5	39	61
6	39	61
7	39	61
8	38	62
9	37	63
10	36	64
11	36	64
12	35	65
13	35	65
14	35	65
15	34	66
16	33	67
17	32	68
18	32	68
19	32	68
20	32	68
21	32	68
22	32	68
23	32	68
24	31	69
25	32	68
26	32	68
27	32	68
28	33	67
29	33	67
30	34	66
31	34	66

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

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Solar energy (kWh/m²)	Level
1	1.7	Dim
2	1.7	Dim
3	1.7	Dim
4	1.7	Dim
5	1.7	Dim
6	1.7	Dim
7	1.7	Dim
8	1.7	Dim
9	1.7	Dim
10	1.6	Dim
11	1.6	Dim
12	1.6	Dim
13	1.6	Dim
14	1.6	Dim
15	1.6	Dim
16	1.6	Dim
17	1.6	Dim
18	1.6	Dim
19	1.6	Dim
20	1.6	Dim
21	1.6	Dim
22	1.6	Dim
23	1.6	Dim
24	1.6	Dim
25	1.6	Dim
26	1.6	Dim
27	1.7	Dim
28	1.7	Dim
29	1.7	Dim
30	1.7	Dim
31	1.7	Dim

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

	Clearer (%)	Cloudier (%)
1	40	60
2	40	60
3	39	61
4	40	60
5	39	61
6	39	61
7	39	61
8	38	62
9	37	63
10	36	64
11	36	64
12	35	65
13	35	65
14	35	65
15	34	66
16	33	67
17	32	68
18	32	68
19	32	68
20	32	68
21	32	68
22	32	68
23	32	68
24	31	69
25	32	68
26	32	68
27	32	68
28	33	67
29	33	67
30	34	66
31	34	66

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

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Solar energy (kWh/m²)	Level
1	1.7	Dim
2	1.7	Dim
3	1.7	Dim
4	1.7	Dim
5	1.7	Dim
6	1.7	Dim
7	1.7	Dim
8	1.7	Dim
9	1.7	Dim
10	1.6	Dim
11	1.6	Dim
12	1.6	Dim
13	1.6	Dim
14	1.6	Dim
15	1.6	Dim
16	1.6	Dim
17	1.6	Dim
18	1.6	Dim
19	1.6	Dim
20	1.6	Dim
21	1.6	Dim
22	1.6	Dim
23	1.6	Dim
24	1.6	Dim
25	1.6	Dim
26	1.6	Dim
27	1.7	Dim
28	1.7	Dim
29	1.7	Dim
30	1.7	Dim
31	1.7	Dim

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

	Clearer (%)	Cloudier (%)
1	40	60
2	40	60
3	39	61
4	40	60
5	39	61
6	39	61
7	39	61
8	38	62
9	37	63
10	36	64
11	36	64
12	35	65
13	35	65
14	35	65
15	34	66
16	33	67
17	32	68
18	32	68
19	32	68
20	32	68
21	32	68
22	32	68
23	32	68
24	31	69
25	32	68
26	32	68
27	32	68
28	33	67
29	33	67
30	34	66
31	34	66

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

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Solar energy (kWh/m²)	Level
1	1.7	Dim
2	1.7	Dim
3	1.7	Dim
4	1.7	Dim
5	1.7	Dim
6	1.7	Dim
7	1.7	Dim
8	1.7	Dim
9	1.7	Dim
10	1.6	Dim
11	1.6	Dim
12	1.6	Dim
13	1.6	Dim
14	1.6	Dim
15	1.6	Dim
16	1.6	Dim
17	1.6	Dim
18	1.6	Dim
19	1.6	Dim
20	1.6	Dim
21	1.6	Dim
22	1.6	Dim
23	1.6	Dim
24	1.6	Dim
25	1.6	Dim
26	1.6	Dim
27	1.7	Dim
28	1.7	Dim
29	1.7	Dim
30	1.7	Dim
31	1.7	Dim