Thị Trấn Na Dương weather in February

In February, Thị Trấn Na Dương sees average daytime highs of 18°C and overnight lows near 12°C, with 37 mm of rain across 8.6 wet days and about 11.3 hours of daylight. It is the 11th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 17°C in the first days to 19°C by the end. The sky is clear or mostly clear about 12% of the time in February, and the air most often feels dry.

Daylight stretches from about 11 hours at the start of February to 11 h 30 min by month's end. Set against the rest of the year, February is Thị Trấn Na Dương's 8th-clearest and 4th-windiest month. For the whole year in context, see Thị Trấn Na Dương's year-round climate.

Daytime high: 18°; 11th warmest
Overnight low: 12°; 3rd coldest
Rainfall: 37 mm; 8.6 wet days
Daylight: 11 h 18 min; 6:29 AM – 5:45 PM
Cloud cover: 80%; 8th clearest
Wind: 9 km/h; 4th windiest
Solar energy: 2.62 kWh/m²
Travel score: 5.7; out of 10

← January Thị Trấn Na Dương 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 17°C in the first days to 19°C by the end.

A typical February day in Thị Trấn Na Dương reaches about 18°C in the afternoon and slips back to 12°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 25°C. Set against its neighbours, February runs about 2°C warmer than January and about 3°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)	17	17	17	17	18	18	18	18	18	18	18	18	18	18	19	19	19	19	19	19	19	19	19	19	19	19	19	20
Avg low (°C)	11	11	11	11	11	12	12	12	12	12	12	12	12	12	13	13	13	13	13	13	13	13	13	13	13	14	14	14

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

How February really feels in Thị Trấn Na Dương

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.

Thị Trấn Na Dương weather by month

How February compares with the rest of the year at a glance. February is the 11th-warmest and 12th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	17° / 11°	50	9.5	10.8	5.1
Feb	18° / 12°	37	8.6	11.3	5.7
Mar	21° / 16°	71	12.6	11.8	5.8
Apr	26° / 20°	87	14.1	12.5	5.7
May	29° / 23°	204	20.8	13	4.1
Jun	30° / 24°	236	23.6	13.3	3.1
Jul	30° / 25°	251	24.3	13.2	3.1
Aug	30° / 24°	272	25.2	12.7	3.1
Sep	29° / 23°	161	18.3	12.1	4.3
Oct	27° / 20°	75	10.5	11.5	6.6
Nov	23° / 16°	49	8	11	7.1
Dec	19° / 12°	42	7.7	10.7	6.3

Cloud cover in February

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in February.

Beyond those clear spells, partly cloudy skies cover about 8% of February, with mostly cloudy or overcast conditions the remaining 80%.

	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 (%)	22	22	22	23	22	22	22	23	22	22	22	21	20	19	18	18	18	16	17	17	17	17	16	16	17	18	18	19
Cloudier (%)	78	78	78	77	78	78	78	77	78	78	78	79	80	81	82	82	82	84	83	83	83	83	84	84	83	82	82	81

	Clearer (%)	Cloudier (%)
1	22	78
2	22	78
3	22	78
4	23	77
5	22	78
6	22	78
7	22	78
8	23	77
9	22	78
10	22	78
11	22	78
12	21	79
13	20	80
14	19	81
15	18	82
16	18	82
17	18	82
18	16	84
19	17	83
20	17	83
21	17	83
22	17	83
23	16	84
24	16	84
25	17	83
26	18	82
27	18	82
28	19	81

Chance of precipitation in February

Any precipitation

Thị Trấn Na Dương gets around 37 mm of rain over 8.6 wet days in February, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 30% and peaks near 34% 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 (%)	27	27	27	27	27	27	27	28	28	28	28	29	29	30	30	31	31	32	32	33	33	33	34	34	34	34	34	34

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

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 52% of days. Sticky, muggy-or-worse air turns up on roughly 11% of them.

	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	63	63	61	60	60	58	56	55	54	54	52	52	51	51	50	49	48	48	47	47	46	46	46	45	45	44	44
Comfortable (%)	17	18	18	19	19	19	19	20	20	20	20	20	20	20	19	19	19	19	18	18	18	17	17	17	17	17	17	17
Humid (%)	13	14	14	14	15	15	16	17	17	18	18	19	19	19	20	20	21	21	21	22	22	22	21	21	21	21	21	21
Muggy (%)	5	5	5	6	6	6	7	7	8	8	8	9	9	10	10	11	11	12	12	13	14	15	15	16	16	17	17	17

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	65	17	13	5
2	63	18	14	5
3	63	18	14	5
4	61	19	14	6
5	60	19	15	6
6	60	19	15	6
7	58	19	16	7
8	56	20	17	7
9	55	20	17	8
10	54	20	18	8
11	54	20	18	8
12	52	20	19	9
13	52	20	19	9
14	51	20	19	10
15	51	19	20	10
16	50	19	20	11
17	49	19	21	11
18	48	19	21	12
19	48	18	21	12
20	47	18	22	13
21	47	18	22	14
22	46	17	22	15
23	46	17	21	15
24	46	17	21	16
25	45	17	21	16
26	45	17	21	17
27	44	17	21	17
28	44	17	21	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)	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	10	10	10	10	10	10
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	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	10	calm
24	10	calm
25	10	calm
26	10	calm
27	10	calm
28	10	calm

Sunrise & sunset in February

DaylightNight

Daylight runs from about 11 hours at the start of February to 11 h 30 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 6:35 AM to 6:20 AM, and sunset from 5:36 PM to 5:51 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)	11.0	11.0	11.1	11.1	11.1	11.1	11.1	11.1	11.2	11.2	11.2	11.2	11.2	11.2	11.3	11.3	11.3	11.3	11.3	11.4	11.4	11.4	11.4	11.4	11.5	11.5	11.5	11.5
Sunrise (AM)	6:35	6:35	6:34	6:34	6:34	6:33	6:33	6:33	6:32	6:32	6:31	6:31	6:30	6:30	6:29	6:28	6:28	6:27	6:27	6:26	6:25	6:25	6:24	6:23	6:23	6:22	6:21	6:20
Sunset (PM)	5:36	5:37	5:38	5:38	5:39	5:39	5:40	5:41	5:41	5:42	5:42	5:43	5:43	5:44	5:45	5:45	5:46	5:46	5:47	5:47	5:48	5:48	5:49	5:49	5:50	5:50	5:50	5:51

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.0	6:35	5:36
2	11.0	6:35	5:37
3	11.1	6:34	5:38
4	11.1	6:34	5:38
5	11.1	6:34	5:39
6	11.1	6:33	5:39
7	11.1	6:33	5:40
8	11.1	6:33	5:41
9	11.2	6:32	5:41
10	11.2	6:32	5:42
11	11.2	6:31	5:42
12	11.2	6:31	5:43
13	11.2	6:30	5:43
14	11.2	6:30	5:44
15	11.3	6:29	5:45
16	11.3	6:28	5:45
17	11.3	6:28	5:46
18	11.3	6:27	5:46
19	11.3	6:27	5:47
20	11.4	6:26	5:47
21	11.4	6:25	5:48
22	11.4	6:25	5:48
23	11.4	6:24	5:49
24	11.4	6:23	5:49
25	11.5	6:23	5:50
26	11.5	6:22	5:50
27	11.5	6:21	5:50
28	11.5	6:20	5:51

Solar energy in February

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in February, about 2.62 kWh/m².

For context, solar energy here swings from a low near 2.29 kWh/m² to a high of 4.68 kWh/m² in July across the year — February's 2.62 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
Solar energy (kWh/m²)	2.5	2.5	2.5	2.6	2.6	2.6	2.6	2.6	2.6	2.6	2.6	2.6	2.6	2.6	2.6	2.6	2.6	2.6	2.6	2.6	2.7	2.7	2.7	2.7	2.7	2.8	2.8	2.8
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	2.5	Moderate
2	2.5	Moderate
3	2.5	Moderate
4	2.6	Moderate
5	2.6	Moderate
6	2.6	Moderate
7	2.6	Moderate
8	2.6	Moderate
9	2.6	Moderate
10	2.6	Moderate
11	2.6	Moderate
12	2.6	Moderate
13	2.6	Moderate
14	2.6	Moderate
15	2.6	Moderate
16	2.6	Moderate
17	2.6	Moderate
18	2.6	Moderate
19	2.6	Moderate
20	2.6	Moderate
21	2.7	Moderate
22	2.7	Moderate
23	2.7	Moderate
24	2.7	Moderate
25	2.7	Moderate
26	2.8	Moderate
27	2.8	Moderate
28	2.8	Moderate

Planning a trip in February

Hazard calendar for Thị Trấn Na Dương

In seasonPeak

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

Thị Trấn Na Dương's monsoon runs May–September, when most of the year's rain falls.

Monsoon

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is February a good time to visit Thị Trấn Na Dương?

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

5.7

Sightseeing

5th-best month of the year

2.1

Beach & pool

11th-best month of the year

February is a reasonable time to visit Thị Trấn Na Dương for sightseeing.

What to pack for Thị Trấn Na Dương in February

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

In February, Thị Trấn Na Dương sees daytime highs around 18°C and nights near 12°C. Worth packing: rain gear. About 9 days see rain.

rain gear

UV index in Thị Trấn Na Dương in February

LowModerateHighVery highExtreme

Clear-sky midday UV in February peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Thị Trấn Na Dương peaks around June 23 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 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)	7	7	9	7	9	12	12	9	9	8	6	6
Level	High	High	Very high	Very high	Very high	Extreme	Extreme	Very high	Very high	Very high	High	High

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

Air quality in Thị Trấn Na Dương 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 Thị Trấn Na Dương is worst in April — around 47 µg/m³ PM2.5 (poor), about 2.5× the cleanest month (July, 19 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)	47	47	45	47	31	22	19	21	26	32	36	43
Level	Poor	Poor	Poor	Poor	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Poor	Poor

	PM2.5 (µg/m³)	Level
Jan	47	Poor
Feb	47	Poor
Mar	45	Poor
Apr	47	Poor
May	31	Moderate
Jun	22	Moderate
Jul	19	Moderate
Aug	21	Moderate
Sep	26	Moderate
Oct	32	Moderate
Nov	36	Poor
Dec	43	Poor

Location & terrain

Where is Thị Trấn Na Dương?

Thị Trấn Na Dương sits at 21.7°N, 107.0°E, 287 m above sea level, in Vietnam. The nearest listed city is Lạng Sơn, 26 km away.

Topography around Thị Trấn Na Dương

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Thị Trấn Na Dương.

Within 3 km, the terrain around Thị Trấn Na Dương has only modest variations in elevation — a maximum elevation change of 193 m around an average of 294 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,313 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,567 m.

The land around Thị Trấn Na Dương is covered by trees (47%) and cropland (22%) within 3 km, trees (78%) within 16 km, and trees (87%) within 80 km.

3 km

193 m

trees 47%

16 km

1,313 m

trees 78%

80 km

1,567 m

trees 87%

treesgrasslandcroplandartificial surfacesbare terrainwater

← January Thị Trấn Na Dương year-round climate March →Best places to visit in February

February weather nearby: Lạng Sơn 26 km · Chũ 54 km · Thị Trấn Ba Chẽ 59 km · Thị Trấn Tiên Yên 62 km · Thành Phố Uông Bí 77 km · Thị Trấn Đầm Hà 77 km · Thị Trấn Thất Khê 79 km · Thị Trấn Mạo Khê 81 km

Vietnam travel facts

Travel advisory: Level 1; Exercise Normal Precautions
Power plugs: Type A / B / C / F; 220 V · 50 Hz
Prices: ≈ 29% of US; price level, 2025
GDP per capita: $5,066; 2025
Happiness: 6.4 / 10; World Happiness, 2025
Safe drinking water: 59%; of population, 2024
Homicide rate: 1.5; per 100k, 2011
Road deaths: 30.6; per 100k/yr, 2019
Income group: Upper middle; World Bank
English: Moderate; EF EPI 500
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 Thị Trấn Na Dương (21.7025°, 106.9555°, elevation 287 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	17	11
2	17	11
3	17	11
4	17	11
5	18	11
6	18	12
7	18	12
8	18	12
9	18	12
10	18	12
11	18	12
12	18	12
13	18	12
14	18	12
15	19	13
16	19	13
17	19	13
18	19	13
19	19	13
20	19	13
21	19	13
22	19	13
23	19	13
24	19	13
25	19	13
26	19	14
27	19	14
28	20	14

	Clearer (%)	Cloudier (%)
1	22	78
2	22	78
3	22	78
4	23	77
5	22	78
6	22	78
7	22	78
8	23	77
9	22	78
10	22	78
11	22	78
12	21	79
13	20	80
14	19	81
15	18	82
16	18	82
17	18	82
18	16	84
19	17	83
20	17	83
21	17	83
22	17	83
23	16	84
24	16	84
25	17	83
26	18	82
27	18	82
28	19	81

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

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	65	17	13	5
2	63	18	14	5
3	63	18	14	5
4	61	19	14	6
5	60	19	15	6
6	60	19	15	6
7	58	19	16	7
8	56	20	17	7
9	55	20	17	8
10	54	20	18	8
11	54	20	18	8
12	52	20	19	9
13	52	20	19	9
14	51	20	19	10
15	51	19	20	10
16	50	19	20	11
17	49	19	21	11
18	48	19	21	12
19	48	18	21	12
20	47	18	22	13
21	47	18	22	14
22	46	17	22	15
23	46	17	21	15
24	46	17	21	16
25	45	17	21	16
26	45	17	21	17
27	44	17	21	17
28	44	17	21	17

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

	Clearer (%)	Cloudier (%)
1	22	78
2	22	78
3	22	78
4	23	77
5	22	78
6	22	78
7	22	78
8	23	77
9	22	78
10	22	78
11	22	78
12	21	79
13	20	80
14	19	81
15	18	82
16	18	82
17	18	82
18	16	84
19	17	83
20	17	83
21	17	83
22	17	83
23	16	84
24	16	84
25	17	83
26	18	82
27	18	82
28	19	81

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

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	65	17	13	5
2	63	18	14	5
3	63	18	14	5
4	61	19	14	6
5	60	19	15	6
6	60	19	15	6
7	58	19	16	7
8	56	20	17	7
9	55	20	17	8
10	54	20	18	8
11	54	20	18	8
12	52	20	19	9
13	52	20	19	9
14	51	20	19	10
15	51	19	20	10
16	50	19	20	11
17	49	19	21	11
18	48	19	21	12
19	48	18	21	12
20	47	18	22	13
21	47	18	22	14
22	46	17	22	15
23	46	17	21	15
24	46	17	21	16
25	45	17	21	16
26	45	17	21	17
27	44	17	21	17
28	44	17	21	17

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

	Clearer (%)	Cloudier (%)
1	22	78
2	22	78
3	22	78
4	23	77
5	22	78
6	22	78
7	22	78
8	23	77
9	22	78
10	22	78
11	22	78
12	21	79
13	20	80
14	19	81
15	18	82
16	18	82
17	18	82
18	16	84
19	17	83
20	17	83
21	17	83
22	17	83
23	16	84
24	16	84
25	17	83
26	18	82
27	18	82
28	19	81

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

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	65	17	13	5
2	63	18	14	5
3	63	18	14	5
4	61	19	14	6
5	60	19	15	6
6	60	19	15	6
7	58	19	16	7
8	56	20	17	7
9	55	20	17	8
10	54	20	18	8
11	54	20	18	8
12	52	20	19	9
13	52	20	19	9
14	51	20	19	10
15	51	19	20	10
16	50	19	20	11
17	49	19	21	11
18	48	19	21	12
19	48	18	21	12
20	47	18	22	13
21	47	18	22	14
22	46	17	22	15
23	46	17	21	15
24	46	17	21	16
25	45	17	21	16
26	45	17	21	17
27	44	17	21	17
28	44	17	21	17