Ban Houakhoua weather in February

In February, Ban Houakhoua sees average daytime highs of 30°C and overnight lows near 16°C, with 12 mm of rain across 1.8 wet days and about 11.3 hours of daylight. It is the 7th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 29°C in the first days to 32°C by the end. The sky is clear or mostly clear about 79% of the time in February, and the air most often feels comfortable.

Daylight stretches from about 11 h 06 min at the start of February to 11 h 30 min by month's end. Set against the rest of the year, February is Ban Houakhoua's 1st-clearest and 6th-windiest month. For the whole year in context, see Ban Houakhoua's year-round climate.

Daytime high: 30°; 7th warmest
Overnight low: 16°; 3rd coldest
Rainfall: 12 mm; 1.8 wet days
Daylight: 11 h 18 min; 6:53 AM – 6:12 PM
Cloud cover: 23%; 1st clearest
Wind: 5 km/h; 6th windiest
Solar energy: 5.27 kWh/m²
Travel score: 6.2; out of 10

← January Ban Houakhoua 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 29°C in the first days to 32°C by the end.

A typical February day in Ban Houakhoua reaches about 30°C in the afternoon and slips back to 16°C overnight — a 15°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 33°C. Set against its neighbours, February runs about 3°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)	29	29	29	29	29	29	29	30	30	30	30	30	30	30	31	31	31	31	31	31	31	31	31	31	32	32	32	32
Avg low (°C)	15	15	15	15	15	15	15	15	15	15	15	15	15	16	16	16	16	16	16	16	16	16	16	16	17	17	17	17

	Avg high (°C)	Avg low (°C)
1	29	15
2	29	15
3	29	15
4	29	15
5	29	15
6	29	15
7	29	15
8	30	15
9	30	15
10	30	15
11	30	15
12	30	15
13	30	15
14	30	16
15	31	16
16	31	16
17	31	16
18	31	16
19	31	16
20	31	16
21	31	16
22	31	16
23	31	16
24	31	16
25	32	17
26	32	17
27	32	17
28	32	17

How February really feels in Ban Houakhoua

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.

Ban Houakhoua weather by month

How February compares with the rest of the year at a glance. February is the 7th-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	28° / 15°	22	2.8	10.9	7.9
Feb	30° / 16°	12	1.8	11.3	6.2
Mar	33° / 19°	37	4.8	11.9	4.3
Apr	34° / 22°	99	9.6	12.4	3.2
May	33° / 24°	215	19.3	12.9	2.8
Jun	32° / 25°	235	24.8	13.2	2.5
Jul	31° / 24°	353	28	13.1	2.6
Aug	30° / 24°	363	28.4	12.7	2.6
Sep	31° / 23°	245	24.2	12.1	3.0
Oct	30° / 22°	106	15.1	11.5	4.4
Nov	29° / 18°	39	5.4	11	6.5
Dec	27° / 15°	23	3.1	10.8	8.0

Cloud cover in February

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 79% of the time in February, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 9% of February, with mostly cloudy or overcast conditions the remaining 11%. 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
Clearer (%)	86	86	86	86	86	87	87	87	88	88	88	88	88	89	90	90	90	89	90	90	90	90	90	90	90	90	90	91
Cloudier (%)	14	14	14	14	14	13	13	13	12	12	12	12	12	11	10	10	10	11	10	10	10	10	10	10	10	10	10	9

	Clearer (%)	Cloudier (%)
1	86	14
2	86	14
3	86	14
4	86	14
5	86	14
6	87	13
7	87	13
8	87	13
9	88	12
10	88	12
11	88	12
12	88	12
13	88	12
14	89	11
15	90	10
16	90	10
17	90	10
18	89	11
19	90	10
20	90	10
21	90	10
22	90	10
23	90	10
24	90	10
25	90	10
26	90	10
27	90	10
28	91	9

Chance of precipitation in February

Any precipitation

Ban Houakhoua gets around 12 mm of rain over 1.8 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 7% and peaks near 9% 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
Rain chance (%)	6	6	6	6	5	5	5	5	5	5	5	5	6	6	6	6	7	7	7	8	8	8	9	9	9	9	9	9

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

Humidity in February

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, February lands in the comfortable band about 40% of days. Sticky, muggy-or-worse air turns up on roughly 7% 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 (%)	23	23	24	25	26	26	27	27	28	28	28	28	28	27	27	27	26	25	25	24	24	23	23	22	22	21	20	20
Comfortable (%)	38	38	38	38	38	38	39	39	39	39	39	39	39	39	39	39	39	39	40	40	41	41	41	41	42	42	42	43
Humid (%)	34	34	33	33	32	31	30	29	28	28	27	27	27	26	27	27	27	27	27	27	27	27	28	28	29	29	29	29
Muggy (%)	5	4	4	4	4	4	4	5	5	5	6	6	7	7	8	8	8	9	9	9	9	9	8	8	8	8	8	8

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	23	38	34	5
2	23	38	34	4
3	24	38	33	4
4	25	38	33	4
5	26	38	32	4
6	26	38	31	4
7	27	39	30	4
8	27	39	29	5
9	28	39	28	5
10	28	39	28	5
11	28	39	27	6
12	28	39	27	6
13	28	39	27	7
14	27	39	26	7
15	27	39	27	8
16	27	39	27	8
17	26	39	27	8
18	25	39	27	9
19	25	40	27	9
20	24	40	27	9
21	24	41	27	9
22	23	41	27	9
23	23	41	28	8
24	22	41	28	8
25	22	42	29	8
26	21	42	29	8
27	20	42	29	8
28	20	43	29	8

Wind in February

Winds average 5 km/h in February.

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

Sunrise & sunset in February

DaylightNight

Daylight runs from about 11 h 06 min 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 24 minutes over February. Sunrise moves from 6:59 AM to 6:45 AM, and sunset from 6:04 PM to 6:18 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)	11.1	11.1	11.1	11.1	11.2	11.2	11.2	11.2	11.2	11.2	11.2	11.3	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	11.5	11.5
Sunrise (AM)	6:59	6:59	6:58	6:58	6:58	6:57	6:57	6:57	6:56	6:56	6:55	6:55	6:54	6:54	6:53	6:53	6:52	6:52	6:51	6:51	6:50	6:49	6:49	6:48	6:47	6:47	6:46	6:45
Sunset (PM)	6:04	6:05	6:06	6:06	6:07	6:07	6:08	6:08	6:09	6:10	6:10	6:11	6:11	6:12	6:12	6:13	6:13	6:14	6:14	6:15	6:15	6:15	6:16	6:16	6:17	6:17	6:18	6:18

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.1	6:59	6:04
2	11.1	6:59	6:05
3	11.1	6:58	6:06
4	11.1	6:58	6:06
5	11.2	6:58	6:07
6	11.2	6:57	6:07
7	11.2	6:57	6:08
8	11.2	6:57	6:08
9	11.2	6:56	6:09
10	11.2	6:56	6:10
11	11.2	6:55	6:10
12	11.3	6:55	6:11
13	11.3	6:54	6:11
14	11.3	6:54	6:12
15	11.3	6:53	6:12
16	11.3	6:53	6:13
17	11.3	6:52	6:13
18	11.4	6:52	6:14
19	11.4	6:51	6:14
20	11.4	6:51	6:15
21	11.4	6:50	6:15
22	11.4	6:49	6:15
23	11.5	6:49	6:16
24	11.5	6:48	6:16
25	11.5	6:47	6:17
26	11.5	6:47	6:17
27	11.5	6:46	6:18
28	11.5	6:45	6:18

Solar energy in February

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in February, about 5.27 kWh/m².

For context, solar energy here swings from a low near 3.94 kWh/m² to a high of 6.22 kWh/m² in April across the year — February's 5.27 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)	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	5.3	5.4	5.4	5.4	5.4	5.5	5.5	5.5	5.6	5.6	5.6	5.7	5.7
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

	Solar energy (kWh/m²)	Level
1	4.8	Bright
2	4.8	Bright
3	4.9	Bright
4	4.9	Bright
5	5.0	Bright
6	5.0	Bright
7	5.0	Bright
8	5.1	Bright
9	5.1	Bright
10	5.2	Bright
11	5.2	Bright
12	5.2	Bright
13	5.3	Bright
14	5.3	Bright
15	5.3	Bright
16	5.3	Bright
17	5.4	Bright
18	5.4	Bright
19	5.4	Bright
20	5.4	Bright
21	5.5	Bright
22	5.5	Bright
23	5.5	Bright
24	5.6	Bright
25	5.6	Bright
26	5.6	Bright
27	5.7	Bright
28	5.7	Bright

Planning a trip in February

Hazard calendar for Ban Houakhoua

In seasonPeak

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

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

Ban Houakhoua'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 Ban Houakhoua?

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

6.2

Sightseeing

4th-best month of the year

8.6

Beach & pool

1st-best month of the year

February is a reasonable time to visit Ban Houakhoua for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Ban Houakhoua in February

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

In February, Ban Houakhoua sees daytime highs around 30°C and nights near 16°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Ban Houakhoua in February

LowModerateHighVery highExtreme

Clear-sky midday UV in February peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ban Houakhoua peaks around July 19 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 7 (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	9	9	10	11	13	13	13	11	10	8	7
Level	Very high	Very high	Very high	Very high	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Very high	High

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

Air quality in Ban Houakhoua 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 Ban Houakhoua is worst in April — around 385 µg/m³ PM2.5 (very unhealthy), about 41.4× the cleanest month (October, 9 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)	15	28	191	385	37	13	11	11	10	9	10	12
Level	Moderate	Moderate	Very unhealthy	Very unhealthy	Poor	Moderate	Good	Good	Good	Good	Good	Good

	PM2.5 (µg/m³)	Level
Jan	15	Moderate
Feb	28	Moderate
Mar	191	Very unhealthy
Apr	385	Very unhealthy
May	37	Poor
Jun	13	Moderate
Jul	11	Good
Aug	11	Good
Sep	10	Good
Oct	9	Good
Nov	10	Good
Dec	12	Good

Location & terrain

Where is Ban Houakhoua?

Ban Houakhoua sits at 20.2°N, 100.5°E, 361 m above sea level, in Laos. The nearest listed city is Ban Khoan, 40 km away.

Topography around Ban Houakhoua

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

Within 3 km, the terrain around Ban Houakhoua has only modest variations in elevation — a maximum elevation change of 199 m around an average of 373 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 991 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,558 m.

The land around Ban Houakhoua is covered by cropland (38%) and trees (36%) within 3 km, trees (67%) and cropland (22%) within 16 km, and trees (82%) within 80 km.

3 km

199 m

cropland 38%

16 km

991 m

trees 67%

80 km

1,558 m

trees 82%

treesgrasslandcroplandartificial surfacesbare terrainwater

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

February weather nearby: Ban Khoan 40 km · Mae Sai 64 km · Mae Chan 64 km · Tachilek 64 km · Chiang Rai 75 km · Möng Yawng 104 km · Luang Namtha 126 km · Muang Sing 128 km

Laos travel facts

Travel advisory: Level 2; Exercise Increased Caution
Power plugs: Type A / B / C / E / F; 230 V · 50 Hz
Prices: ≈ 23% of US; price level, 2025
GDP per capita: $2,325; 2025
Happiness: 5.5 / 10; World Happiness, 2025
Safe drinking water: 35%; of population, 2024
Road deaths: 17.9; per 100k/yr, 2019
Income group: Lower middle; World Bank
English: Low; EF EPI 461
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 Ban Houakhoua (20.2467°, 100.454°, elevation 361 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). 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	29	15
2	29	15
3	29	15
4	29	15
5	29	15
6	29	15
7	29	15
8	30	15
9	30	15
10	30	15
11	30	15
12	30	15
13	30	15
14	30	16
15	31	16
16	31	16
17	31	16
18	31	16
19	31	16
20	31	16
21	31	16
22	31	16
23	31	16
24	31	16
25	32	17
26	32	17
27	32	17
28	32	17

	Clearer (%)	Cloudier (%)
1	86	14
2	86	14
3	86	14
4	86	14
5	86	14
6	87	13
7	87	13
8	87	13
9	88	12
10	88	12
11	88	12
12	88	12
13	88	12
14	89	11
15	90	10
16	90	10
17	90	10
18	89	11
19	90	10
20	90	10
21	90	10
22	90	10
23	90	10
24	90	10
25	90	10
26	90	10
27	90	10
28	91	9

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

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	23	38	34	5
2	23	38	34	4
3	24	38	33	4
4	25	38	33	4
5	26	38	32	4
6	26	38	31	4
7	27	39	30	4
8	27	39	29	5
9	28	39	28	5
10	28	39	28	5
11	28	39	27	6
12	28	39	27	6
13	28	39	27	7
14	27	39	26	7
15	27	39	27	8
16	27	39	27	8
17	26	39	27	8
18	25	39	27	9
19	25	40	27	9
20	24	40	27	9
21	24	41	27	9
22	23	41	27	9
23	23	41	28	8
24	22	41	28	8
25	22	42	29	8
26	21	42	29	8
27	20	42	29	8
28	20	43	29	8

	Avg high (°C)	Avg low (°C)
1	29	15
2	29	15
3	29	15
4	29	15
5	29	15
6	29	15
7	29	15
8	30	15
9	30	15
10	30	15
11	30	15
12	30	15
13	30	15
14	30	16
15	31	16
16	31	16
17	31	16
18	31	16
19	31	16
20	31	16
21	31	16
22	31	16
23	31	16
24	31	16
25	32	17
26	32	17
27	32	17
28	32	17

	Clearer (%)	Cloudier (%)
1	86	14
2	86	14
3	86	14
4	86	14
5	86	14
6	87	13
7	87	13
8	87	13
9	88	12
10	88	12
11	88	12
12	88	12
13	88	12
14	89	11
15	90	10
16	90	10
17	90	10
18	89	11
19	90	10
20	90	10
21	90	10
22	90	10
23	90	10
24	90	10
25	90	10
26	90	10
27	90	10
28	91	9

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

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	23	38	34	5
2	23	38	34	4
3	24	38	33	4
4	25	38	33	4
5	26	38	32	4
6	26	38	31	4
7	27	39	30	4
8	27	39	29	5
9	28	39	28	5
10	28	39	28	5
11	28	39	27	6
12	28	39	27	6
13	28	39	27	7
14	27	39	26	7
15	27	39	27	8
16	27	39	27	8
17	26	39	27	8
18	25	39	27	9
19	25	40	27	9
20	24	40	27	9
21	24	41	27	9
22	23	41	27	9
23	23	41	28	8
24	22	41	28	8
25	22	42	29	8
26	21	42	29	8
27	20	42	29	8
28	20	43	29	8

	Avg high (°C)	Avg low (°C)
1	29	15
2	29	15
3	29	15
4	29	15
5	29	15
6	29	15
7	29	15
8	30	15
9	30	15
10	30	15
11	30	15
12	30	15
13	30	15
14	30	16
15	31	16
16	31	16
17	31	16
18	31	16
19	31	16
20	31	16
21	31	16
22	31	16
23	31	16
24	31	16
25	32	17
26	32	17
27	32	17
28	32	17

	Clearer (%)	Cloudier (%)
1	86	14
2	86	14
3	86	14
4	86	14
5	86	14
6	87	13
7	87	13
8	87	13
9	88	12
10	88	12
11	88	12
12	88	12
13	88	12
14	89	11
15	90	10
16	90	10
17	90	10
18	89	11
19	90	10
20	90	10
21	90	10
22	90	10
23	90	10
24	90	10
25	90	10
26	90	10
27	90	10
28	91	9

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

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	23	38	34	5
2	23	38	34	4
3	24	38	33	4
4	25	38	33	4
5	26	38	32	4
6	26	38	31	4
7	27	39	30	4
8	27	39	29	5
9	28	39	28	5
10	28	39	28	5
11	28	39	27	6
12	28	39	27	6
13	28	39	27	7
14	27	39	26	7
15	27	39	27	8
16	27	39	27	8
17	26	39	27	8
18	25	39	27	9
19	25	40	27	9
20	24	40	27	9
21	24	41	27	9
22	23	41	27	9
23	23	41	28	8
24	22	41	28	8
25	22	42	29	8
26	21	42	29	8
27	20	42	29	8
28	20	43	29	8