Iriba weather in May

In May, Iriba sees average daytime highs of 37°C and overnight lows near 23°C, with 2 mm of rain across 0.6 wet days and about 12.7 hours of daylight. It is the 1st-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 37°C through the month. The sky is clear or mostly clear about 77% of the time in May, and the air most often feels dry.

Daylight stretches from about 12 h 30 min at the start of May to 12 h 48 min by month's end. Set against the rest of the year, May is Iriba's 7th-clearest and 8th-windiest month. For the whole year in context, see Iriba's year-round climate.

Daytime high: 37°; 1st warmest
Overnight low: 23°; 11th coldest
Rainfall: 2 mm; 0.6 wet days
Daylight: 12 h 42 min; 5:06 AM – 5:48 PM
Cloud cover: 23%; 7th clearest
Wind: 14 km/h; 8th windiest
Solar energy: 7.58 kWh/m²
Travel score: 2.0; out of 10

Iriba is place in Wadi Fira, Chad.

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

← April Iriba year-round climate June →Best places to visit in May

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 37°C through the month.

A typical May day in Iriba reaches about 37°C in the afternoon and slips back to 23°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 35°C and 39°C. Set against its neighbours, May runs about 2°C warmer than April and on par with June.

	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 (°C)	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37
Avg low (°C)	22	22	22	22	22	22	22	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23

	Avg high (°C)	Avg low (°C)
1	37	22
2	37	22
3	37	22
4	37	22
5	37	22
6	37	22
7	37	22
8	37	23
9	37	23
10	37	23
11	37	23
12	37	23
13	37	23
14	37	23
15	37	23
16	37	23
17	37	23
18	37	23
19	37	23
20	37	23
21	37	23
22	37	23
23	37	23
24	37	23
25	37	23
26	37	23
27	37	23
28	37	23
29	37	23
30	37	23
31	37	23

How May really feels in Iriba

Once humidity and wind are folded in, May averages 31 days that feel above 32°C and 0 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 May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Iriba weather by month

How May compares with the rest of the year at a glance. May is the 1st-warmest and 5th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	26° / 11°	0	0	11.2	9.1
Feb	28° / 13°	0	0	11.5	7.9
Mar	32° / 17°	0	0	11.9	5.3
Apr	36° / 21°	0	0.1	12.3	3.0
May	37° / 23°	2	0.6	12.7	2.0
Jun	37° / 23°	7	1.6	12.9	2.1
Jul	34° / 22°	83	13.1	12.8	3.1
Aug	32° / 21°	127	17.2	12.5	3.7
Sep	34° / 22°	20	3.8	12.1	3.3
Oct	34° / 21°	1	0.2	11.7	4.3
Nov	29° / 16°	0	0	11.3	7.2
Dec	26° / 11°	0	0	11.1	9.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 77% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 10% of May, with mostly cloudy or overcast conditions the remaining 13%.

	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 (%)	88	86	86	86	86	86	86	86	86	86	87	88	88	88	88	89	90	90	90	90	89	88	88	87	87	87	85	85	85	85	85
Cloudier (%)	12	14	14	14	14	14	14	14	14	14	13	12	12	12	12	11	10	10	10	10	11	12	12	13	13	13	15	15	15	15	15

	Clearer (%)	Cloudier (%)
1	88	12
2	86	14
3	86	14
4	86	14
5	86	14
6	86	14
7	86	14
8	86	14
9	86	14
10	86	14
11	87	13
12	88	12
13	88	12
14	88	12
15	88	12
16	89	11
17	90	10
18	90	10
19	90	10
20	90	10
21	89	11
22	88	12
23	88	12
24	87	13
25	87	13
26	87	13
27	85	15
28	85	15
29	85	15
30	85	15
31	85	15

Chance of precipitation in May

Any precipitation

Iriba gets around 2 mm of rain over 0.6 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 2% and peaks near 3% 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	31
Rain chance (%)	1	1	2	2	2	2	2	2	2	2	2	2	1	1	1	1	1	1	1	2	2	2	2	2	2	2	2	2	3	3	3

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

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 95% 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 (%)	99	99	99	99	99	98	97	97	97	97	97	97	97	97	97	96	96	96	96	96	94	94	93	93	92	91	91	91	91	91	90
Comfortable (%)	1	1	1	1	1	2	2	2	2	2	2	2	2	2	2	3	3	3	3	3	4	4	5	5	5	6	6	6	6	6	6
Humid (%)	0	0	0	0	0	0	1	1	1	1	1	1	1	1	1	1	1	1	1	1	2	2	2	2	3	3	3	3	3	3	4

	Dry (%)	Comfortable (%)	Humid (%)
1	99	1	0
2	99	1	0
3	99	1	0
4	99	1	0
5	99	1	0
6	98	2	0
7	97	2	1
8	97	2	1
9	97	2	1
10	97	2	1
11	97	2	1
12	97	2	1
13	97	2	1
14	97	2	1
15	97	2	1
16	96	3	1
17	96	3	1
18	96	3	1
19	96	3	1
20	96	3	1
21	94	4	2
22	94	4	2
23	93	5	2
24	93	5	2
25	92	5	3
26	91	6	3
27	91	6	3
28	91	6	3
29	91	6	3
30	91	6	3
31	90	6	4

Wind in May

Winds average 14 km/h in May.

Across May, daily wind ranges from about 13 km/h on the calmest days to 14 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	31
Wind speed (km/h)	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	13	13	13	13	13	13
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 (km/h)	Feels
1	14	light breeze
2	14	light breeze
3	14	light breeze
4	14	light breeze
5	14	light breeze
6	14	light breeze
7	14	light breeze
8	14	light breeze
9	14	light breeze
10	14	light breeze
11	14	light breeze
12	14	light breeze
13	14	light breeze
14	14	light breeze
15	14	light breeze
16	14	light breeze
17	14	light breeze
18	14	light breeze
19	14	light breeze
20	14	light breeze
21	14	light breeze
22	14	light breeze
23	14	light breeze
24	14	light breeze
25	14	light breeze
26	13	light breeze
27	13	light breeze
28	13	light breeze
29	13	light breeze
30	13	light breeze
31	13	light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 30 min at the start of May to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over May. Sunrise moves from 5:12 AM to 5:04 AM, and sunset from 5:44 PM to 5:53 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)	12.5	12.5	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8
Sunrise (AM)	5:12	5:12	5:11	5:11	5:10	5:10	5:09	5:09	5:09	5:08	5:08	5:07	5:07	5:07	5:07	5:06	5:06	5:06	5:05	5:05	5:05	5:05	5:05	5:04	5:04	5:04	5:04	5:04	5:04	5:04	5:04
Sunset (PM)	5:44	5:44	5:45	5:45	5:45	5:45	5:46	5:46	5:46	5:47	5:47	5:47	5:47	5:48	5:48	5:48	5:49	5:49	5:49	5:49	5:50	5:50	5:50	5:51	5:51	5:51	5:52	5:52	5:52	5:53	5:53

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.5	5:12	5:44
2	12.5	5:12	5:44
3	12.6	5:11	5:45
4	12.6	5:11	5:45
5	12.6	5:10	5:45
6	12.6	5:10	5:45
7	12.6	5:09	5:46
8	12.6	5:09	5:46
9	12.6	5:09	5:46
10	12.6	5:08	5:47
11	12.6	5:08	5:47
12	12.7	5:07	5:47
13	12.7	5:07	5:47
14	12.7	5:07	5:48
15	12.7	5:07	5:48
16	12.7	5:06	5:48
17	12.7	5:06	5:49
18	12.7	5:06	5:49
19	12.7	5:05	5:49
20	12.7	5:05	5:49
21	12.7	5:05	5:50
22	12.8	5:05	5:50
23	12.8	5:05	5:50
24	12.8	5:04	5:51
25	12.8	5:04	5:51
26	12.8	5:04	5:51
27	12.8	5:04	5:52
28	12.8	5:04	5:52
29	12.8	5:04	5:52
30	12.8	5:04	5:53
31	12.8	5:04	5:53

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.58 kWh/m².

For context, solar energy here swings from a low near 5.83 kWh/m² to a high of 7.73 kWh/m² in April across the year — May's 7.58 kWh/m² sits near the top of that range.

	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)	7.7	7.7	7.7	7.7	7.7	7.7	7.7	7.7	7.7	7.7	7.7	7.7	7.7	7.7	7.7	7.6	7.6	7.6	7.6	7.6	7.6	7.5	7.5	7.5	7.5	7.5	7.4	7.4	7.4	7.4	7.4
Level	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense

	Solar energy (kWh/m²)	Level
1	7.7	Intense
2	7.7	Intense
3	7.7	Intense
4	7.7	Intense
5	7.7	Intense
6	7.7	Intense
7	7.7	Intense
8	7.7	Intense
9	7.7	Intense
10	7.7	Intense
11	7.7	Intense
12	7.7	Intense
13	7.7	Intense
14	7.7	Intense
15	7.7	Intense
16	7.6	Intense
17	7.6	Intense
18	7.6	Intense
19	7.6	Intense
20	7.6	Intense
21	7.6	Intense
22	7.5	Intense
23	7.5	Intense
24	7.5	Intense
25	7.5	Intense
26	7.5	Intense
27	7.4	Intense
28	7.4	Intense
29	7.4	Intense
30	7.4	Intense
31	7.4	Intense

Planning a trip in May

Hazard calendar for Iriba

In seasonPeak

In May, Iriba sits inside its dust season. The full year is below, with each hazard's peak months called out.

Iriba sees seasonal dust haze (March–October), heaviest in May.

Dust

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is May a good time to visit Iriba?

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

2.0

Sightseeing

12th-best month of the year

5.5

Beach & pool

11th-best month of the year

May is a weaker month for outdoor sightseeing in Iriba.

What to pack for Iriba in May

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

In May, Iriba sees daytime highs around 37°C and nights near 23°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Iriba in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Iriba peaks around May 14 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 7 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	9	11	11	12	13	11	10	11	12	11	9	7
Level	Very high	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Extreme	Extreme	Extreme	Very high	High

	UV index (midday)	Level
Jan	9	Very high
Feb	11	Extreme
Mar	11	Extreme
Apr	12	Extreme
May	13	Extreme
Jun	11	Extreme
Jul	10	Very high
Aug	11	Extreme
Sep	12	Extreme
Oct	11	Extreme
Nov	9	Very high
Dec	7	High

Air quality in Iriba in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Iriba is worst in March — around 70 µg/m³ PM2.5 (unhealthy), about 2.5× the cleanest month (August, 29 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	54	63	70	56	51	45	41	29	33	46	37	49
Level	Poor	Unhealthy	Unhealthy	Unhealthy	Poor	Poor	Poor	Moderate	Moderate	Poor	Poor	Poor

	PM2.5 (µg/m³)	Level
Jan	54	Poor
Feb	63	Unhealthy
Mar	70	Unhealthy
Apr	56	Unhealthy
May	51	Poor
Jun	45	Poor
Jul	41	Poor
Aug	29	Moderate
Sep	33	Moderate
Oct	46	Poor
Nov	37	Poor
Dec	49	Poor

Location & terrain

Where is Iriba?

Iriba sits at 15.1°N, 22.3°E, 932 m above sea level, in Chad. The nearest listed city is Amdjarass, 123 km away.

Topography around Iriba

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

Within 3 km, the terrain around Iriba has only modest variations in elevation — a maximum elevation change of 46 m around an average of 926 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 154 m; within 80 km, large variations in elevation — a maximum elevation change of 683 m.

The land around Iriba is covered by grassland (54%) and bare terrain (43%) within 3 km, grassland (68%) and bare terrain (30%) within 16 km, and grassland (66%) and bare terrain (30%) within 80 km.

3 km

46 m

grassland 54%

16 km

154 m

grassland 68%

80 km

683 m

grassland 66%

shrubsgrasslandartificial surfacesbare terrain

← April Iriba year-round climate June →Best places to visit in May

May weather nearby: Amdjarass 123 km · Biltine 157 km · Adré 184 km · El Geneina Fort 184 km · 'Ārdamatā 184 km · Al-Junaynah 186 km · Abéché 209 km · Fada 242 km

Chad travel facts

Travel advisory: Level 4; Do Not Travel
Power plugs: Type C / D / E / F; 220 V · 50 Hz
Prices: ≈ 35% of US; price level, 2025
GDP per capita: $1,022; 2025
Happiness: 4.4 / 10; World Happiness, 2025
Safe drinking water: 6%; of population, 2024
Road deaths: 32.4; per 100k/yr, 2019
Income group: Low; 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 Iriba (15.1167°, 22.25°, elevation 932 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. 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	37	22
2	37	22
3	37	22
4	37	22
5	37	22
6	37	22
7	37	22
8	37	23
9	37	23
10	37	23
11	37	23
12	37	23
13	37	23
14	37	23
15	37	23
16	37	23
17	37	23
18	37	23
19	37	23
20	37	23
21	37	23
22	37	23
23	37	23
24	37	23
25	37	23
26	37	23
27	37	23
28	37	23
29	37	23
30	37	23
31	37	23

	Clearer (%)	Cloudier (%)
1	88	12
2	86	14
3	86	14
4	86	14
5	86	14
6	86	14
7	86	14
8	86	14
9	86	14
10	86	14
11	87	13
12	88	12
13	88	12
14	88	12
15	88	12
16	89	11
17	90	10
18	90	10
19	90	10
20	90	10
21	89	11
22	88	12
23	88	12
24	87	13
25	87	13
26	87	13
27	85	15
28	85	15
29	85	15
30	85	15
31	85	15

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

	Dry (%)	Comfortable (%)	Humid (%)
1	99	1	0
2	99	1	0
3	99	1	0
4	99	1	0
5	99	1	0
6	98	2	0
7	97	2	1
8	97	2	1
9	97	2	1
10	97	2	1
11	97	2	1
12	97	2	1
13	97	2	1
14	97	2	1
15	97	2	1
16	96	3	1
17	96	3	1
18	96	3	1
19	96	3	1
20	96	3	1
21	94	4	2
22	94	4	2
23	93	5	2
24	93	5	2
25	92	5	3
26	91	6	3
27	91	6	3
28	91	6	3
29	91	6	3
30	91	6	3
31	90	6	4

	Avg high (°C)	Avg low (°C)
1	37	22
2	37	22
3	37	22
4	37	22
5	37	22
6	37	22
7	37	22
8	37	23
9	37	23
10	37	23
11	37	23
12	37	23
13	37	23
14	37	23
15	37	23
16	37	23
17	37	23
18	37	23
19	37	23
20	37	23
21	37	23
22	37	23
23	37	23
24	37	23
25	37	23
26	37	23
27	37	23
28	37	23
29	37	23
30	37	23
31	37	23

	Clearer (%)	Cloudier (%)
1	88	12
2	86	14
3	86	14
4	86	14
5	86	14
6	86	14
7	86	14
8	86	14
9	86	14
10	86	14
11	87	13
12	88	12
13	88	12
14	88	12
15	88	12
16	89	11
17	90	10
18	90	10
19	90	10
20	90	10
21	89	11
22	88	12
23	88	12
24	87	13
25	87	13
26	87	13
27	85	15
28	85	15
29	85	15
30	85	15
31	85	15

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

	Dry (%)	Comfortable (%)	Humid (%)
1	99	1	0
2	99	1	0
3	99	1	0
4	99	1	0
5	99	1	0
6	98	2	0
7	97	2	1
8	97	2	1
9	97	2	1
10	97	2	1
11	97	2	1
12	97	2	1
13	97	2	1
14	97	2	1
15	97	2	1
16	96	3	1
17	96	3	1
18	96	3	1
19	96	3	1
20	96	3	1
21	94	4	2
22	94	4	2
23	93	5	2
24	93	5	2
25	92	5	3
26	91	6	3
27	91	6	3
28	91	6	3
29	91	6	3
30	91	6	3
31	90	6	4

	Avg high (°C)	Avg low (°C)
1	37	22
2	37	22
3	37	22
4	37	22
5	37	22
6	37	22
7	37	22
8	37	23
9	37	23
10	37	23
11	37	23
12	37	23
13	37	23
14	37	23
15	37	23
16	37	23
17	37	23
18	37	23
19	37	23
20	37	23
21	37	23
22	37	23
23	37	23
24	37	23
25	37	23
26	37	23
27	37	23
28	37	23
29	37	23
30	37	23
31	37	23

	Clearer (%)	Cloudier (%)
1	88	12
2	86	14
3	86	14
4	86	14
5	86	14
6	86	14
7	86	14
8	86	14
9	86	14
10	86	14
11	87	13
12	88	12
13	88	12
14	88	12
15	88	12
16	89	11
17	90	10
18	90	10
19	90	10
20	90	10
21	89	11
22	88	12
23	88	12
24	87	13
25	87	13
26	87	13
27	85	15
28	85	15
29	85	15
30	85	15
31	85	15

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

	Dry (%)	Comfortable (%)	Humid (%)
1	99	1	0
2	99	1	0
3	99	1	0
4	99	1	0
5	99	1	0
6	98	2	0
7	97	2	1
8	97	2	1
9	97	2	1
10	97	2	1
11	97	2	1
12	97	2	1
13	97	2	1
14	97	2	1
15	97	2	1
16	96	3	1
17	96	3	1
18	96	3	1
19	96	3	1
20	96	3	1
21	94	4	2
22	94	4	2
23	93	5	2
24	93	5	2
25	92	5	3
26	91	6	3
27	91	6	3
28	91	6	3
29	91	6	3
30	91	6	3
31	90	6	4