Chatham weather in April

In April, Chatham sees average daytime highs of 13°C and overnight lows near 4°C, with 89 mm of precipitation across 12.2 wet days and about 13.1 hours of daylight. It is the 7th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 10°C in the first days to 15°C by the end. The sky is clear or mostly clear about 22% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 24 min at the start of April to 13 h 48 min by month's end. Set against the rest of the year, April is Chatham's 7th-clearest and 3rd-windiest month. For the whole year in context, see Chatham's year-round climate.

Daytime high: 13°; 7th warmest
Overnight low: 4°; 6th coldest
Precipitation: 89 mm; 12.2 wet days
Daylight: 13 h 06 min; 5:54 AM – 7:03 PM
Cloud cover: 66%; 7th clearest
Wind: 16 km/h; 3rd windiest
Solar energy: 5.06 kWh/m²
Travel score: 3.3; out of 10

Chatham is community in Ontario, Canada.

Air quality: Good; PM2.5 7 µg/m³ · 2019
Founded: 1998

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

← March Chatham year-round climate May →Best places to visit in April

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 10°C in the first days to 15°C by the end.

A typical April day in Chatham reaches about 13°C in the afternoon and slips back to 4°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 6°C and 20°C. Set against its neighbours, April runs about 7°C warmer than March and about 6°C cooler than May.

	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 (°C)	9	10	10	10	10	11	11	11	11	12	12	12	12	13	13	13	13	13	14	14	14	14	14	15	15	15	15	15	16	16
Avg low (°C)	1	1	1	1	2	2	2	2	2	3	3	3	3	3	4	4	4	4	4	5	5	5	5	5	6	6	6	6	6	7

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

How April really feels in Chatham

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 15 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

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

Chatham weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 3rd-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	-1° / -7°	66	10.5	6.6	9.3	0.0
Feb	0° / -7°	54	8.5	6	10.3	0.0
Mar	6° / -3°	66	10.2	4.4	11.6	0.5
Apr	13° / 4°	89	12.2	1.3	13.1	3.3
May	19° / 10°	92	12.3	0	14.4	5.7
Jun	25° / 15°	94	11.2	0	15	6.6
Jul	27° / 18°	86	11.1	0	14.8	6.5
Aug	26° / 17°	77	10.4	0	13.7	6.8
Sep	22° / 13°	73	8.7	0	12.3	6.9
Oct	15° / 7°	76	10.3	0	10.8	4.6
Nov	8° / 2°	71	9.7	1.9	9.6	1.4
Dec	2° / -3°	63	10.1	5	9	0.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 14% of April, with mostly cloudy or overcast conditions the remaining 64%. Skies tend to open up as the month goes on.

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

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

Chance of precipitation in April

Any precipitationSnow

Chatham gets around 89 mm of rain and snow over 12.2 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 39% and peaks near 40% on the wettest days, and about 1 day brings 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
Rain chance (%)	38	38	39	39	40	40	40	40	40	40	40	40	39	39	39	39	39	39	39	39	40	40	40	40	40	40	40	40	39	39
Snow chance (%)	9	9	9	9	8	8	8	7	7	6	6	6	5	5	4	4	3	3	3	2	2	2	2	1	1	1	1	1	1	1

	Rain chance (%)	Snow chance (%)
1	38	9
2	38	9
3	39	9
4	39	9
5	40	8
6	40	8
7	40	8
8	40	7
9	40	7
10	40	6
11	40	6
12	40	6
13	39	5
14	39	5
15	39	4
16	39	4
17	39	3
18	39	3
19	39	3
20	39	2
21	40	2
22	40	2
23	40	2
24	40	1
25	40	1
26	40	1
27	40	1
28	40	1
29	39	1
30	39	1

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 98% 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
Dry (%)	100	99	99	99	99	99	99	99	99	99	99	98	98	98	98	98	97	97	97	97	97	97	96	96	96	96	95	95	95	94
Comfortable (%)	0	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	2	2	2	2	2	2	3	3	3	3	4	4	4	5
Humid (%)	0	0	0	0	0	0	0	0	0	0	0	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1

	Dry (%)	Comfortable (%)	Humid (%)
1	100	0	0
2	99	1	0
3	99	1	0
4	99	1	0
5	99	1	0
6	99	1	0
7	99	1	0
8	99	1	0
9	99	1	0
10	99	1	0
11	99	1	0
12	98	1	1
13	98	1	1
14	98	1	1
15	98	1	1
16	98	1	1
17	97	2	1
18	97	2	1
19	97	2	1
20	97	2	1
21	97	2	1
22	97	2	1
23	96	3	1
24	96	3	1
25	96	3	1
26	96	3	1
27	95	4	1
28	95	4	1
29	95	4	1
30	94	5	1

Wind in April

Winds average 16 km/h in April.

Across April, daily wind ranges from about 15 km/h on the calmest days to 16 km/h 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 (km/h)	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	15
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 (km/h)	Feels
1	16	light breeze
2	16	light breeze
3	16	light breeze
4	16	light breeze
5	16	light breeze
6	16	light breeze
7	16	light breeze
8	16	light breeze
9	16	light breeze
10	16	light breeze
11	16	light breeze
12	16	light breeze
13	16	light breeze
14	16	light breeze
15	16	light breeze
16	16	light breeze
17	16	light breeze
18	16	light breeze
19	16	light breeze
20	16	light breeze
21	16	light breeze
22	16	light breeze
23	16	light breeze
24	16	light breeze
25	16	light breeze
26	16	light breeze
27	16	light breeze
28	16	light breeze
29	16	light breeze
30	15	light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 84 minutes over April. Sunrise moves from 6:21 AM to 5:33 AM, and sunset from 6:46 PM to 7:19 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)	12.4	12.5	12.5	12.6	12.6	12.7	12.7	12.8	12.8	12.9	12.9	13.0	13.0	13.1	13.1	13.1	13.2	13.2	13.3	13.3	13.4	13.4	13.5	13.5	13.6	13.6	13.6	13.7	13.7	13.8
Sunrise (AM)	6:21	6:19	6:17	6:15	6:13	6:12	6:10	6:08	6:06	6:05	6:03	6:01	6:00	5:58	5:56	5:54	5:53	5:51	5:50	5:48	5:46	5:45	5:43	5:42	5:40	5:39	5:37	5:36	5:34	5:33
Sunset (PM)	6:46	6:47	6:49	6:50	6:51	6:52	6:53	6:54	6:55	6:57	6:58	6:59	7:00	7:01	7:02	7:03	7:05	7:06	7:07	7:08	7:09	7:10	7:11	7:13	7:14	7:15	7:16	7:17	7:18	7:19

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.4	6:21	6:46
2	12.5	6:19	6:47
3	12.5	6:17	6:49
4	12.6	6:15	6:50
5	12.6	6:13	6:51
6	12.7	6:12	6:52
7	12.7	6:10	6:53
8	12.8	6:08	6:54
9	12.8	6:06	6:55
10	12.9	6:05	6:57
11	12.9	6:03	6:58
12	13.0	6:01	6:59
13	13.0	6:00	7:00
14	13.1	5:58	7:01
15	13.1	5:56	7:02
16	13.1	5:54	7:03
17	13.2	5:53	7:05
18	13.2	5:51	7:06
19	13.3	5:50	7:07
20	13.3	5:48	7:08
21	13.4	5:46	7:09
22	13.4	5:45	7:10
23	13.5	5:43	7:11
24	13.5	5:42	7:13
25	13.6	5:40	7:14
26	13.6	5:39	7:15
27	13.6	5:37	7:16
28	13.7	5:36	7:17
29	13.7	5:34	7:18
30	13.8	5:33	7:19

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.06 kWh/m².

For context, solar energy here swings from a low near 1.45 kWh/m² to a high of 6.53 kWh/m² in June across the year — April's 5.06 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)	4.5	4.6	4.6	4.6	4.7	4.7	4.7	4.8	4.8	4.8	4.9	4.9	5.0	5.0	5.0	5.1	5.1	5.2	5.2	5.2	5.3	5.3	5.3	5.4	5.4	5.4	5.5	5.5	5.5	5.6
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	4.5	Bright
2	4.6	Bright
3	4.6	Bright
4	4.6	Bright
5	4.7	Bright
6	4.7	Bright
7	4.7	Bright
8	4.8	Bright
9	4.8	Bright
10	4.8	Bright
11	4.9	Bright
12	4.9	Bright
13	5.0	Bright
14	5.0	Bright
15	5.0	Bright
16	5.1	Bright
17	5.1	Bright
18	5.2	Bright
19	5.2	Bright
20	5.2	Bright
21	5.3	Bright
22	5.3	Bright
23	5.3	Bright
24	5.4	Bright
25	5.4	Bright
26	5.4	Bright
27	5.5	Bright
28	5.5	Bright
29	5.5	Bright
30	5.6	Bright

Planning a trip in April

Is April a good time to visit Chatham?

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

3.3

Sightseeing

7th-best month of the year

0.1

Beach & pool

7th-best month of the year

April is a weaker month for outdoor sightseeing in Chatham.

What to pack for Chatham in April

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

In April, Chatham sees daytime highs around 13°C and nights near 4°C. Worth packing: a warm layer, rain gear and sun protection. About 12 days see rain.

a warm layerrain gearsun protection

Sea temperature near Chatham in April

The nearest coast averages about 5°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 32 km away) is warmest in August at about 24°C and coldest in February near 1°C.

It's comfortable for a long swim from Jun 29 to Sep 23 — about 2.9 months when the water holds above 20°C.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	2	1	1	5	11	18	23	24	21	16	10	5
Comfort	Bracing	Bracing	Bracing	Bracing	Bracing	Cool	Refreshing	Refreshing	Refreshing	Cool	Bracing	Bracing

	Sea temperature (°C)	Comfort
Jan	2	Bracing
Feb	1	Bracing
Mar	1	Bracing
Apr	5	Bracing
May	11	Bracing
Jun	18	Cool
Jul	23	Refreshing
Aug	24	Refreshing
Sep	21	Refreshing
Oct	16	Cool
Nov	10	Bracing
Dec	5	Bracing

UV index in Chatham in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April 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 Chatham peaks around June 21 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 1 (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	9	7	6	3	2	1
Level	Low	Moderate	Moderate	High	High	Very high	Very high	High	High	Moderate	Moderate	Low

	UV index (midday)	Level
Jan	2	Low
Feb	2	Moderate
Mar	4	Moderate
Apr	6	High
May	7	High
Jun	9	Very high
Jul	9	Very high
Aug	7	High
Sep	6	High
Oct	3	Moderate
Nov	2	Moderate
Dec	1	Low

Location & terrain

Where is Chatham?

Chatham sits at 42.4°N, 82.2°W, 183 m above sea level, in Canada. The nearest listed city is Leamington, 53 km away.

Topography around Chatham

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Chatham.

Within 3 km, the terrain around Chatham has only modest variations in elevation — a maximum elevation change of 27 m around an average of 182 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 62 m; within 80 km, only modest variations in elevation — a maximum elevation change of 159 m.

The land around Chatham is covered by artificial surfaces (34%), trees (26%) and cropland (25%) within 3 km, cropland (88%) within 16 km, and water (44%) and cropland (36%) within 80 km.

3 km

27 m

artificial surfaces 34%

16 km

62 m

cropland 88%

80 km

159 m

water 44%

treesgrasslandcroplandartificial surfacesbare terrainwaterwetland

← March Chatham year-round climate May →Best places to visit in April

April weather nearby: Leamington 53 km · Kingsville 57 km · Tecumseh 58 km · Saint Clair Shores 59 km · Grosse Pointe Woods 59 km · Mount Clemens 60 km · Roseville 62 km · Clinton Township 63 km

Canada travel facts

Travel advisory: Level 1; Exercise Normal Precautions
Power plugs: Type A / B; 120 V · 60 Hz
Prices: ≈ 83% of US; price level, 2025
GDP per capita: $55,698; 2025
Happiness: 6.7 / 10; World Happiness, 2025
Safe drinking water: 97%; of population, 2024
Homicide rate: 2; per 100k, 2023
Road deaths: 5.3; 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 Chatham (42.4122°, -82.1849°, elevation 183 m), 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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 (°C)	Avg low (°C)
1	9	1
2	10	1
3	10	1
4	10	1
5	10	2
6	11	2
7	11	2
8	11	2
9	11	2
10	12	3
11	12	3
12	12	3
13	12	3
14	13	3
15	13	4
16	13	4
17	13	4
18	13	4
19	14	4
20	14	5
21	14	5
22	14	5
23	14	5
24	15	5
25	15	6
26	15	6
27	15	6
28	15	6
29	16	6
30	16	7

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

	Rain chance (%)	Snow chance (%)
1	38	9
2	38	9
3	39	9
4	39	9
5	40	8
6	40	8
7	40	8
8	40	7
9	40	7
10	40	6
11	40	6
12	40	6
13	39	5
14	39	5
15	39	4
16	39	4
17	39	3
18	39	3
19	39	3
20	39	2
21	40	2
22	40	2
23	40	2
24	40	1
25	40	1
26	40	1
27	40	1
28	40	1
29	39	1
30	39	1

	Dry (%)	Comfortable (%)	Humid (%)
1	100	0	0
2	99	1	0
3	99	1	0
4	99	1	0
5	99	1	0
6	99	1	0
7	99	1	0
8	99	1	0
9	99	1	0
10	99	1	0
11	99	1	0
12	98	1	1
13	98	1	1
14	98	1	1
15	98	1	1
16	98	1	1
17	97	2	1
18	97	2	1
19	97	2	1
20	97	2	1
21	97	2	1
22	97	2	1
23	96	3	1
24	96	3	1
25	96	3	1
26	96	3	1
27	95	4	1
28	95	4	1
29	95	4	1
30	94	5	1

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

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

	Rain chance (%)	Snow chance (%)
1	38	9
2	38	9
3	39	9
4	39	9
5	40	8
6	40	8
7	40	8
8	40	7
9	40	7
10	40	6
11	40	6
12	40	6
13	39	5
14	39	5
15	39	4
16	39	4
17	39	3
18	39	3
19	39	3
20	39	2
21	40	2
22	40	2
23	40	2
24	40	1
25	40	1
26	40	1
27	40	1
28	40	1
29	39	1
30	39	1

	Dry (%)	Comfortable (%)	Humid (%)
1	100	0	0
2	99	1	0
3	99	1	0
4	99	1	0
5	99	1	0
6	99	1	0
7	99	1	0
8	99	1	0
9	99	1	0
10	99	1	0
11	99	1	0
12	98	1	1
13	98	1	1
14	98	1	1
15	98	1	1
16	98	1	1
17	97	2	1
18	97	2	1
19	97	2	1
20	97	2	1
21	97	2	1
22	97	2	1
23	96	3	1
24	96	3	1
25	96	3	1
26	96	3	1
27	95	4	1
28	95	4	1
29	95	4	1
30	94	5	1

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

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

	Rain chance (%)	Snow chance (%)
1	38	9
2	38	9
3	39	9
4	39	9
5	40	8
6	40	8
7	40	8
8	40	7
9	40	7
10	40	6
11	40	6
12	40	6
13	39	5
14	39	5
15	39	4
16	39	4
17	39	3
18	39	3
19	39	3
20	39	2
21	40	2
22	40	2
23	40	2
24	40	1
25	40	1
26	40	1
27	40	1
28	40	1
29	39	1
30	39	1

	Dry (%)	Comfortable (%)	Humid (%)
1	100	0	0
2	99	1	0
3	99	1	0
4	99	1	0
5	99	1	0
6	99	1	0
7	99	1	0
8	99	1	0
9	99	1	0
10	99	1	0
11	99	1	0
12	98	1	1
13	98	1	1
14	98	1	1
15	98	1	1
16	98	1	1
17	97	2	1
18	97	2	1
19	97	2	1
20	97	2	1
21	97	2	1
22	97	2	1
23	96	3	1
24	96	3	1
25	96	3	1
26	96	3	1
27	95	4	1
28	95	4	1
29	95	4	1
30	94	5	1