Chengde weather in April

In April, Chengde sees average daytime highs of 17°C and overnight lows near 3°C, with 27 mm of precipitation across 4.8 wet days and about 13.1 hours of daylight. It is the 6th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 13°C in the first days to 19°C by the end. The sky is clear or mostly clear about 44% 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 42 min by month's end. Set against the rest of the year, April is Chengde's 8th-clearest and 1st-windiest month. For the whole year in context, see Chengde's year-round climate.

Daytime high: 17°; 6th warmest
Overnight low: 3°; 6th coldest
Precipitation: 27 mm; 4.8 wet days
Daylight: 13 h 06 min; 5:36 AM – 6:41 PM
Cloud cover: 47%; 8th clearest
Wind: 9 km/h; 1st windiest
Solar energy: 5.56 kWh/m²
Travel score: 5.9; out of 10

Chengde is prefecture-level city in Hebei, China.

Air quality: High; PM2.5 32.6 µg/m³ · 2018
Density: 11/km²; people per km²
Founded: 1681

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

← March Chengde 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 13°C in the first days to 19°C by the end.

A typical April day in Chengde reaches about 17°C in the afternoon and slips back to 3°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 23°C. Set against its neighbours, April runs about 8°C warmer than March and about 7°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)	13	13	13	14	14	14	15	15	15	15	16	16	16	16	17	17	17	17	17	18	18	18	18	19	19	19	19	19	20	20
Avg low (°C)	0	1	1	1	1	1	2	2	2	2	3	3	3	3	3	4	4	4	4	4	5	5	5	5	5	6	6	6	6	7

	Avg high (°C)	Avg low (°C)
1	13	0
2	13	1
3	13	1
4	14	1
5	14	1
6	14	1
7	15	2
8	15	2
9	15	2
10	15	2
11	16	3
12	16	3
13	16	3
14	16	3
15	17	3
16	17	4
17	17	4
18	17	4
19	17	4
20	18	4
21	18	5
22	18	5
23	18	5
24	19	5
25	19	5
26	19	6
27	19	6
28	19	6
29	20	6
30	20	7

How April really feels in Chengde

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 10 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.

Chengde weather by month

How April compares with the rest of the year at a glance. April is the 6th-warmest and 7th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	-2° / -14°	2	0.8	1	9.4	0.0
Feb	2° / -10°	4	1.2	1.3	10.4	0.0
Mar	9° / -3°	13	3	1.9	11.7	2.0
Apr	17° / 3°	27	4.8	0.8	13.1	5.9
May	23° / 10°	45	6.4	0.1	14.3	7.4
Jun	27° / 15°	101	11.3	0	14.9	6.3
Jul	28° / 19°	152	13.8	0	14.6	5.4
Aug	27° / 18°	115	11.2	0	13.6	6.2
Sep	23° / 11°	61	7.6	0	12.3	7.3
Oct	15° / 4°	35	5	0.4	10.9	5.5
Nov	6° / -4°	13	2.8	2	9.7	0.9
Dec	-1° / -11°	4	1.2	1.4	9.1	0.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 18% of April, with mostly cloudy or overcast conditions the remaining 38%.

	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 (%)	65	64	64	63	63	63	63	63	63	62	62	62	61	61	61	60	61	61	61	62	61	61	61	61	62	62	62	62	63	62
Cloudier (%)	35	36	36	37	37	37	37	37	37	38	38	38	39	39	39	40	39	39	39	38	39	39	39	39	38	38	38	38	37	38

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

Chance of precipitation in April

Any precipitationSnow

Chengde gets around 27 mm of rain and snow over 4.8 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 16% and peaks near 20% 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 (%)	14	14	14	15	15	15	14	14	14	14	14	14	14	14	15	15	15	15	16	16	17	17	18	18	19	19	20	20	20	20
Snow chance (%)	5	5	4	4	4	4	4	4	3	3	3	3	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	1	1	1

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

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

Wind in April

Winds average 9 km/h in April, the windiest month of the year.

Across April, daily wind ranges from about 9 km/h on the calmest days to 9 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)	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

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

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 78 minutes over April. Sunrise moves from 6:01 AM to 5:15 AM, and sunset from 6:25 PM to 6:56 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	12.5	12.6	12.6	12.7	12.7	12.8	12.8	12.9	12.9	13.0	13.0	13.0	13.1	13.1	13.2	13.2	13.3	13.3	13.4	13.4	13.4	13.5	13.5	13.6	13.6	13.6	13.7
Sunrise (AM)	6:01	5:59	5:57	5:55	5:54	5:52	5:50	5:49	5:47	5:45	5:44	5:42	5:40	5:39	5:37	5:36	5:34	5:32	5:31	5:29	5:28	5:26	5:25	5:23	5:22	5:20	5:19	5:18	5:16	5:15
Sunset (PM)	6:25	6:26	6:27	6:28	6:29	6:30	6:31	6:33	6:34	6:35	6:36	6:37	6:38	6:39	6:40	6:41	6:42	6:43	6:44	6:45	6:47	6:48	6:49	6:50	6:51	6:52	6:53	6:54	6:55	6:56

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.4	6:01	6:25
2	12.5	5:59	6:26
3	12.5	5:57	6:27
4	12.5	5:55	6:28
5	12.6	5:54	6:29
6	12.6	5:52	6:30
7	12.7	5:50	6:31
8	12.7	5:49	6:33
9	12.8	5:47	6:34
10	12.8	5:45	6:35
11	12.9	5:44	6:36
12	12.9	5:42	6:37
13	13.0	5:40	6:38
14	13.0	5:39	6:39
15	13.0	5:37	6:40
16	13.1	5:36	6:41
17	13.1	5:34	6:42
18	13.2	5:32	6:43
19	13.2	5:31	6:44
20	13.3	5:29	6:45
21	13.3	5:28	6:47
22	13.4	5:26	6:48
23	13.4	5:25	6:49
24	13.4	5:23	6:50
25	13.5	5:22	6:51
26	13.5	5:20	6:52
27	13.6	5:19	6:53
28	13.6	5:18	6:54
29	13.6	5:16	6:55
30	13.7	5:15	6:56

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.56 kWh/m².

For context, solar energy here swings from a low near 2.22 kWh/m² to a high of 6.12 kWh/m² in May across the year — April's 5.56 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
Solar energy (kWh/m²)	5.2	5.3	5.3	5.3	5.3	5.3	5.3	5.4	5.4	5.4	5.4	5.5	5.5	5.5	5.5	5.5	5.6	5.6	5.6	5.6	5.7	5.7	5.7	5.7	5.8	5.8	5.8	5.8	5.8	5.8
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	5.2	Bright
2	5.3	Bright
3	5.3	Bright
4	5.3	Bright
5	5.3	Bright
6	5.3	Bright
7	5.3	Bright
8	5.4	Bright
9	5.4	Bright
10	5.4	Bright
11	5.4	Bright
12	5.5	Bright
13	5.5	Bright
14	5.5	Bright
15	5.5	Bright
16	5.5	Bright
17	5.6	Bright
18	5.6	Bright
19	5.6	Bright
20	5.6	Bright
21	5.7	Bright
22	5.7	Bright
23	5.7	Bright
24	5.7	Bright
25	5.8	Bright
26	5.8	Bright
27	5.8	Bright
28	5.8	Bright
29	5.8	Bright
30	5.8	Bright

Planning a trip in April

Hazard calendar for Chengde

In seasonPeak

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

Chengde's rainy season runs June–August, when most of the year's rain falls.

Rainy season

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is April a good time to visit Chengde?

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

5.9

Sightseeing

5th-best month of the year

1.4

Beach & pool

6th-best month of the year

April is a reasonable time to visit Chengde for sightseeing.

What to pack for Chengde in April

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

In April, Chengde sees daytime highs around 17°C and nights near 3°C. Worth packing: a warm layer and sun protection. About 5 days see rain.

a warm layersun protection

UV index in Chengde in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Chengde peaks around July 24 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 20 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	5	7	8	8	8	7	4	2	1
Level	Low	Moderate	Moderate	High	High	Very high	Very high	Very high	Very high	Moderate	Low	Low

	UV index (midday)	Level
Jan	2	Low
Feb	2	Moderate
Mar	4	Moderate
Apr	5	High
May	7	High
Jun	8	Very high
Jul	8	Very high
Aug	8	Very high
Sep	7	Very high
Oct	4	Moderate
Nov	2	Low
Dec	1	Low

Air quality in Chengde in April

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Chengde is worst in March — around 43 µg/m³ PM2.5 (poor), about 1.7× the cleanest month (August, 24 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Chengde's WHO annual average of 32.6 µg/m³.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	30	34	43	35	34	34	30	24	26	33	38	29
Level	Moderate	Moderate	Poor	Poor	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Poor	Moderate

	PM2.5 (µg/m³)	Level
Jan	30	Moderate
Feb	34	Moderate
Mar	43	Poor
Apr	35	Poor
May	34	Moderate
Jun	34	Moderate
Jul	30	Moderate
Aug	24	Moderate
Sep	26	Moderate
Oct	33	Moderate
Nov	38	Poor
Dec	29	Moderate

Location & terrain

Where is Chengde?

Chengde sits at 41.0°N, 118.0°E, 318 m above sea level, in China. The nearest listed city is Beijing, 176 km away.

Topography around Chengde

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

Within 3 km, the terrain around Chengde has significant variations in elevation — a maximum elevation change of 355 m around an average of 413 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 887 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,012 m.

The land around Chengde is covered by trees (42%), grassland (29%) and artificial surfaces (24%) within 3 km, trees (44%) and grassland (37%) within 16 km, and trees (66%) within 80 km.

3 km

355 m

trees 42%

16 km

887 m

trees 44%

80 km

2,012 m

trees 66%

treesgrasslandcroplandartificial surfaceswater

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

April weather nearby: Beijing 176 km · Tianjin 212 km · Dalian 385 km · Datong 406 km · Jinan 484 km · Sinŭiju 552 km · Uiju 561 km · Qingdao 583 km

China travel facts

Travel advisory: Level 2; Exercise Increased Caution
Power plugs: Type A / I; 220 V · 50 Hz
Prices: ≈ 47% of US; price level, 2025
GDP per capita: $13,862; 2025
Happiness: 6.1 / 10; World Happiness, 2025
Homicide rate: 0.5; per 100k, 2020
Road deaths: 17.4; per 100k/yr, 2019
Income group: Upper middle; World Bank
English: Low; EF EPI 464
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 Chengde (40.9519°, 117.9588°, elevation 318 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	13	0
2	13	1
3	13	1
4	14	1
5	14	1
6	14	1
7	15	2
8	15	2
9	15	2
10	15	2
11	16	3
12	16	3
13	16	3
14	16	3
15	17	3
16	17	4
17	17	4
18	17	4
19	17	4
20	18	4
21	18	5
22	18	5
23	18	5
24	19	5
25	19	5
26	19	6
27	19	6
28	19	6
29	20	6
30	20	7

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

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

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

	Avg high (°C)	Avg low (°C)
1	13	0
2	13	1
3	13	1
4	14	1
5	14	1
6	14	1
7	15	2
8	15	2
9	15	2
10	15	2
11	16	3
12	16	3
13	16	3
14	16	3
15	17	3
16	17	4
17	17	4
18	17	4
19	17	4
20	18	4
21	18	5
22	18	5
23	18	5
24	19	5
25	19	5
26	19	6
27	19	6
28	19	6
29	20	6
30	20	7

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

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

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

	Avg high (°C)	Avg low (°C)
1	13	0
2	13	1
3	13	1
4	14	1
5	14	1
6	14	1
7	15	2
8	15	2
9	15	2
10	15	2
11	16	3
12	16	3
13	16	3
14	16	3
15	17	3
16	17	4
17	17	4
18	17	4
19	17	4
20	18	4
21	18	5
22	18	5
23	18	5
24	19	5
25	19	5
26	19	6
27	19	6
28	19	6
29	20	6
30	20	7

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

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

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