Xizhou weather in February

In February, Xizhou sees average daytime highs of 20°C and overnight lows near 14°C, with 98 mm of rain across 10.9 wet days and about 11.2 hours of daylight. It is the 11th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 19°C in the first days to 21°C by the end. The sky is clear or mostly clear about 48% of the time in February, and the air most often feels dry.

Daylight stretches from about 10 h 54 min at the start of February to 11 h 24 min by month's end. Set against the rest of the year, February is Xizhou's 5th-clearest and 5th-windiest month. For the whole year in context, see Xizhou's year-round climate.

Daytime high: 20°; 11th warmest
Overnight low: 14°; 2nd coldest
Rainfall: 98 mm; 10.9 wet days
Daylight: 11 h 12 min; 6:37 AM – 5:47 PM
Cloud cover: 47%; 5th clearest
Wind: 9 km/h; 5th windiest
Solar energy: 3.81 kWh/m²
Travel score: 6.2; out of 10

← January Xizhou year-round climate March →Best places to visit in February

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

Temperature in February

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 19°C in the first days to 21°C by the end.

A typical February day in Xizhou reaches about 20°C in the afternoon and slips back to 14°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 24°C. Set against its neighbours, February runs on par with January and about 2°C cooler than March.

	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
Avg high (°C)	19	19	19	19	19	19	19	19	19	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	21	21	21	21
Avg low (°C)	13	13	13	13	13	13	13	13	13	13	13	14	14	14	14	14	14	14	14	14	14	14	14	14	14	15	15	15

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

How February really feels in Xizhou

Once humidity and wind are folded in, February averages 0 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

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

Xizhou weather by month

How February compares with the rest of the year at a glance. February is the 11th-warmest and 8th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	19° / 13°	68	9	10.7	6.6
Feb	20° / 14°	98	10.9	11.2	6.2
Mar	22° / 16°	129	12.9	11.8	6.4
Apr	25° / 19°	150	14.7	12.6	6.1
May	27° / 22°	222	18.7	13.2	5.1
Jun	29° / 23°	288	22.1	13.5	3.7
Jul	30° / 24°	344	24.7	13.4	3.3
Aug	29° / 24°	439	27.6	12.8	3.1
Sep	29° / 23°	255	22.5	12.2	4.1
Oct	27° / 21°	93	11.1	11.4	6.6
Nov	24° / 18°	50	6.5	10.8	7.8
Dec	21° / 15°	56	7.5	10.5	7.3

Cloud cover in February

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time in February.

Beyond those clear spells, partly cloudy skies cover about 17% of February, with mostly cloudy or overcast conditions the remaining 35%.

	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
Clearer (%)	67	67	68	67	67	66	66	66	65	65	64	63	63	63	62	62	63	62	62	62	63	62	64	64	65	65	67	67
Cloudier (%)	33	33	32	33	33	34	34	34	35	35	36	37	37	37	38	38	37	38	38	38	37	38	36	36	35	35	33	33

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

Chance of precipitation in February

Any precipitation

Xizhou gets around 98 mm of rain over 10.9 wet days in February. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 39% and peaks near 44% on the wettest days. The odds climb toward the end of the month.

	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
Rain chance (%)	33	33	33	32	32	33	33	34	34	35	36	37	38	39	40	41	42	43	43	44	44	44	44	44	43	43	42	42

	Rain chance (%)
1	33
2	33
3	33
4	32
5	32
6	33
7	33
8	34
9	34
10	35
11	36
12	37
13	38
14	39
15	40
16	41
17	42
18	43
19	43
20	44
21	44
22	44
23	44
24	44
25	43
26	43
27	42
28	42

Humidity in February

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, February lands in the dry band about 47% 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
Dry (%)	65	64	63	63	62	59	58	56	55	53	51	50	48	47	45	43	42	40	39	37	36	36	35	35	34	34	34	33
Comfortable (%)	32	33	34	34	35	37	38	39	40	42	43	44	45	46	47	48	49	50	50	51	52	51	51	50	51	50	49	49
Humid (%)	3	3	3	3	3	4	4	5	5	5	6	6	7	7	8	9	9	10	11	12	12	13	14	15	15	16	17	17

	Dry (%)	Comfortable (%)	Humid (%)
1	65	32	3
2	64	33	3
3	63	34	3
4	63	34	3
5	62	35	3
6	59	37	4
7	58	38	4
8	56	39	5
9	55	40	5
10	53	42	5
11	51	43	6
12	50	44	6
13	48	45	7
14	47	46	7
15	45	47	8
16	43	48	9
17	42	49	9
18	40	50	10
19	39	50	11
20	37	51	12
21	36	52	12
22	36	51	13
23	35	51	14
24	35	50	15
25	34	51	15
26	34	50	16
27	34	49	17
28	33	49	17

Wind in February

Winds average 9 km/h in February.

Across February, daily wind ranges from about 9 km/h on the calmest days to 10 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
Wind speed (km/h)	10	10	10	10	10	10	10	10	10	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

	Wind speed (km/h)	Feels
1	10	calm
2	10	calm
3	10	calm
4	10	calm
5	10	calm
6	10	calm
7	10	calm
8	10	calm
9	10	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

Sunrise & sunset in February

DaylightNight

Daylight runs from about 10 h 54 min at the start of February to 11 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over February. Sunrise moves from 6:44 AM to 6:27 AM, and sunset from 5:37 PM to 5:54 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
Daylight (h)	10.9	10.9	10.9	10.9	11.0	11.0	11.0	11.0	11.0	11.1	11.1	11.1	11.1	11.1	11.2	11.2	11.2	11.2	11.2	11.3	11.3	11.3	11.3	11.4	11.4	11.4	11.4	11.4
Sunrise (AM)	6:44	6:44	6:43	6:43	6:43	6:42	6:42	6:41	6:41	6:40	6:39	6:39	6:38	6:38	6:37	6:36	6:36	6:35	6:34	6:34	6:33	6:32	6:31	6:31	6:30	6:29	6:28	6:27
Sunset (PM)	5:37	5:38	5:39	5:39	5:40	5:41	5:41	5:42	5:43	5:43	5:44	5:45	5:45	5:46	5:47	5:47	5:48	5:48	5:49	5:50	5:50	5:51	5:51	5:52	5:52	5:53	5:53	5:54

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	10.9	6:44	5:37
2	10.9	6:44	5:38
3	10.9	6:43	5:39
4	10.9	6:43	5:39
5	11.0	6:43	5:40
6	11.0	6:42	5:41
7	11.0	6:42	5:41
8	11.0	6:41	5:42
9	11.0	6:41	5:43
10	11.1	6:40	5:43
11	11.1	6:39	5:44
12	11.1	6:39	5:45
13	11.1	6:38	5:45
14	11.1	6:38	5:46
15	11.2	6:37	5:47
16	11.2	6:36	5:47
17	11.2	6:36	5:48
18	11.2	6:35	5:48
19	11.2	6:34	5:49
20	11.3	6:34	5:50
21	11.3	6:33	5:50
22	11.3	6:32	5:51
23	11.3	6:31	5:51
24	11.4	6:31	5:52
25	11.4	6:30	5:52
26	11.4	6:29	5:53
27	11.4	6:28	5:53
28	11.4	6:27	5:54

Solar energy in February

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in February, about 3.81 kWh/m².

For context, solar energy here swings from a low near 3.16 kWh/m² to a high of 5.5 kWh/m² in July across the year — February's 3.81 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
Solar energy (kWh/m²)	3.6	3.6	3.6	3.6	3.7	3.7	3.7	3.7	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.9	3.9	3.9	3.9	3.9	3.9	4.0	4.0	4.0	4.0	4.1	4.1	4.1
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	3.6	Moderate
2	3.6	Moderate
3	3.6	Moderate
4	3.6	Moderate
5	3.7	Moderate
6	3.7	Moderate
7	3.7	Moderate
8	3.7	Moderate
9	3.8	Moderate
10	3.8	Moderate
11	3.8	Moderate
12	3.8	Moderate
13	3.8	Moderate
14	3.8	Moderate
15	3.8	Moderate
16	3.9	Moderate
17	3.9	Moderate
18	3.9	Moderate
19	3.9	Moderate
20	3.9	Moderate
21	3.9	Moderate
22	4.0	Moderate
23	4.0	Moderate
24	4.0	Bright
25	4.0	Bright
26	4.1	Bright
27	4.1	Bright
28	4.1	Bright

Planning a trip in February

Hazard calendar for Xizhou

In seasonPeak

In February, Xizhou sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Xizhou sits in the Pacific typhoon belt; the season peaks July–October.

Xizhou's monsoon runs May–September, when most of the year's rain falls.

Pacific typhoon

Monsoon

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is February a good time to visit Xizhou?

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

6.2

Sightseeing

6th-best month of the year

3.2

Beach & pool

11th-best month of the year

February is a reasonable time to visit Xizhou for sightseeing.

What to pack for Xizhou in February

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

In February, Xizhou sees daytime highs around 20°C and nights near 14°C. Worth packing: rain gear. About 11 days see rain.

rain gear

Sea temperature near Xizhou in February

The nearest coast averages about 19°C in February — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 13 km away) is warmest in August at about 29°C and coldest in January near 19°C.

It's comfortable for a long swim from Mar 2 to Dec 29 — about 10 months when the water holds above 20°C.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	19	19	21	24	26	27	28	29	28	26	24	21
Comfort	Cool	Cool	Refreshing	Refreshing	Warm	Warm	Tropical	Tropical	Warm	Warm	Refreshing	Refreshing

	Sea temperature (°C)	Comfort
Jan	19	Cool
Feb	19	Cool
Mar	21	Refreshing
Apr	24	Refreshing
May	26	Warm
Jun	27	Warm
Jul	28	Tropical
Aug	29	Tropical
Sep	28	Warm
Oct	26	Warm
Nov	24	Refreshing
Dec	21	Refreshing

UV index in Xizhou in February

LowModerateHighVery highExtreme

Clear-sky midday UV in February peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Xizhou peaks around June 16 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 6 (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)	6	8	10	9	11	13	10	12	9	7	7	6
Level	High	Very high	Very high	Very high	Extreme	Extreme	Extreme	Extreme	Very high	Very high	High	High

	UV index (midday)	Level
Jan	6	High
Feb	8	Very high
Mar	10	Very high
Apr	9	Very high
May	11	Extreme
Jun	13	Extreme
Jul	10	Extreme
Aug	12	Extreme
Sep	9	Very high
Oct	7	Very high
Nov	7	High
Dec	6	High

Air quality in Xizhou in February

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Xizhou is worst in March — around 56 µg/m³ PM2.5 (unhealthy), about 1.7× the cleanest month (July, 33 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)	45	48	56	50	41	34	33	36	41	38	41	39
Level	Poor	Poor	Unhealthy	Poor	Poor	Moderate	Moderate	Poor	Poor	Poor	Poor	Poor

	PM2.5 (µg/m³)	Level
Jan	45	Poor
Feb	48	Poor
Mar	56	Unhealthy
Apr	50	Poor
May	41	Poor
Jun	34	Moderate
Jul	33	Moderate
Aug	36	Poor
Sep	41	Poor
Oct	38	Poor
Nov	41	Poor
Dec	39	Poor

Location & terrain

Where is Xizhou?

Xizhou sits at 24.3°N, 120.7°E, 175 m above sea level, in Taiwan. The nearest listed city is Buzi, 14 km away.

Topography around Xizhou

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

Within 3 km, the terrain around Xizhou has only modest variations in elevation — a maximum elevation change of 92 m around an average of 180 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 849 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,841 m.

The land around Xizhou is covered by artificial surfaces (39%) and cropland (31%) within 3 km, trees (37%), artificial surfaces (31%) and cropland (22%) within 16 km, and trees (54%) and water (29%) within 80 km.

3 km

92 m

artificial surfaces 39%

16 km

849 m

trees 37%

80 km

3,841 m

trees 54%

treesgrasslandcroplandartificial surfacesbare terrainwater

← January Xizhou year-round climate March →Best places to visit in February

February weather nearby: Buzi 14 km · Taichung 14 km · Wufeng 24 km · Chang-hua 26 km · Changhua 27 km · Caotun 33 km · Miaoli 35 km · Zhongxing New Village 35 km

Taiwan travel facts

Travel advisory: Level 1; Exercise Normal Precautions
Power plugs: Type A / B; 110 / 220 V · 60 Hz
Happiness: 6.7 / 10; World Happiness, 2025
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 Xizhou (24.2767°, 120.6892°, elevation 175 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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. 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	19	13
2	19	13
3	19	13
4	19	13
5	19	13
6	19	13
7	19	13
8	19	13
9	19	13
10	20	13
11	20	13
12	20	14
13	20	14
14	20	14
15	20	14
16	20	14
17	20	14
18	20	14
19	20	14
20	20	14
21	20	14
22	20	14
23	20	14
24	20	14
25	21	14
26	21	15
27	21	15
28	21	15

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

	Rain chance (%)
1	33
2	33
3	33
4	32
5	32
6	33
7	33
8	34
9	34
10	35
11	36
12	37
13	38
14	39
15	40
16	41
17	42
18	43
19	43
20	44
21	44
22	44
23	44
24	44
25	43
26	43
27	42
28	42

	Dry (%)	Comfortable (%)	Humid (%)
1	65	32	3
2	64	33	3
3	63	34	3
4	63	34	3
5	62	35	3
6	59	37	4
7	58	38	4
8	56	39	5
9	55	40	5
10	53	42	5
11	51	43	6
12	50	44	6
13	48	45	7
14	47	46	7
15	45	47	8
16	43	48	9
17	42	49	9
18	40	50	10
19	39	50	11
20	37	51	12
21	36	52	12
22	36	51	13
23	35	51	14
24	35	50	15
25	34	51	15
26	34	50	16
27	34	49	17
28	33	49	17

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

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

	Rain chance (%)
1	33
2	33
3	33
4	32
5	32
6	33
7	33
8	34
9	34
10	35
11	36
12	37
13	38
14	39
15	40
16	41
17	42
18	43
19	43
20	44
21	44
22	44
23	44
24	44
25	43
26	43
27	42
28	42

	Dry (%)	Comfortable (%)	Humid (%)
1	65	32	3
2	64	33	3
3	63	34	3
4	63	34	3
5	62	35	3
6	59	37	4
7	58	38	4
8	56	39	5
9	55	40	5
10	53	42	5
11	51	43	6
12	50	44	6
13	48	45	7
14	47	46	7
15	45	47	8
16	43	48	9
17	42	49	9
18	40	50	10
19	39	50	11
20	37	51	12
21	36	52	12
22	36	51	13
23	35	51	14
24	35	50	15
25	34	51	15
26	34	50	16
27	34	49	17
28	33	49	17

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

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

	Rain chance (%)
1	33
2	33
3	33
4	32
5	32
6	33
7	33
8	34
9	34
10	35
11	36
12	37
13	38
14	39
15	40
16	41
17	42
18	43
19	43
20	44
21	44
22	44
23	44
24	44
25	43
26	43
27	42
28	42

	Dry (%)	Comfortable (%)	Humid (%)
1	65	32	3
2	64	33	3
3	63	34	3
4	63	34	3
5	62	35	3
6	59	37	4
7	58	38	4
8	56	39	5
9	55	40	5
10	53	42	5
11	51	43	6
12	50	44	6
13	48	45	7
14	47	46	7
15	45	47	8
16	43	48	9
17	42	49	9
18	40	50	10
19	39	50	11
20	37	51	12
21	36	52	12
22	36	51	13
23	35	51	14
24	35	50	15
25	34	51	15
26	34	50	16
27	34	49	17
28	33	49	17