Ban Phai weather in February

In February, Ban Phai sees average daytime highs of 33°C and overnight lows near 20°C, with 10 mm of rain across 2.4 wet days and about 11.5 hours of daylight. It is the 6th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 32°C in the first days to 34°C by the end. The sky is clear or mostly clear about 68% of the time in February, and the air most often feels humid.

Daylight stretches from about 11 h 18 min at the start of February to 11 h 36 min by month's end. Set against the rest of the year, February is Ban Phai's 1st-clearest and 7th-windiest month. For the whole year in context, see Ban Phai's year-round climate.

Daytime high: 33°; 6th warmest
Overnight low: 20°; 3rd coldest
Rainfall: 10 mm; 2.4 wet days
Daylight: 11 h 30 min; 6:40 AM – 6:08 PM
Cloud cover: 32%; 1st clearest
Wind: 9 km/h; 7th windiest
Solar energy: 5.61 kWh/m²
Travel score: 4.3; out of 10

← January Ban Phai 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 32°C in the first days to 34°C by the end.

A typical February day in Ban Phai reaches about 33°C in the afternoon and slips back to 20°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 37°C. Set against its neighbours, February runs about 2°C warmer than 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)	32	32	32	32	32	32	32	32	33	33	33	33	33	33	33	33	34	34	34	34	34	34	34	34	34	34	34	35
Avg low (°C)	19	19	19	19	19	19	19	20	20	20	20	20	20	20	21	21	21	21	21	21	21	21	22	22	22	22	22	22

	Avg high (°C)	Avg low (°C)
1	32	19
2	32	19
3	32	19
4	32	19
5	32	19
6	32	19
7	32	19
8	32	20
9	33	20
10	33	20
11	33	20
12	33	20
13	33	20
14	33	20
15	33	21
16	33	21
17	34	21
18	34	21
19	34	21
20	34	21
21	34	21
22	34	21
23	34	22
24	34	22
25	34	22
26	34	22
27	34	22
28	35	22

How February really feels in Ban Phai

Once humidity and wind are folded in, February averages 24 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 February is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Ban Phai weather by month

How February compares with the rest of the year at a glance. February is the 6th-warmest and 10th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	31° / 18°	7	1.5	11.2	5.8
Feb	33° / 20°	10	2.4	11.5	4.3
Mar	35° / 24°	36	6.1	11.9	2.7
Apr	36° / 26°	63	10.8	12.4	1.9
May	35° / 26°	147	19.8	12.7	1.9
Jun	34° / 26°	126	17.9	12.9	2.2
Jul	33° / 26°	149	19.5	12.9	2.4
Aug	33° / 26°	199	22.1	12.5	2.5
Sep	32° / 25°	238	24.2	12.1	2.6
Oct	31° / 24°	121	13.7	11.6	3.9
Nov	31° / 21°	27	3.6	11.3	5.3
Dec	30° / 19°	6	1.2	11.1	6.3

Cloud cover in February

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 68% of the time in February, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of February, with mostly cloudy or overcast conditions the remaining 16%.

	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 (%)	83	83	83	84	84	84	84	84	84	83	83	83	83	83	83	83	83	83	83	83	84	84	85	85	85	86	86	85
Cloudier (%)	17	17	17	16	16	16	16	16	16	17	17	17	17	17	17	17	17	17	17	17	16	16	15	15	15	14	14	15

	Clearer (%)	Cloudier (%)
1	83	17
2	83	17
3	83	17
4	84	16
5	84	16
6	84	16
7	84	16
8	84	16
9	84	16
10	83	17
11	83	17
12	83	17
13	83	17
14	83	17
15	83	17
16	83	17
17	83	17
18	83	17
19	83	17
20	83	17
21	84	16
22	84	16
23	85	15
24	85	15
25	85	15
26	86	14
27	86	14
28	85	15

Chance of precipitation in February

Any precipitation

Ban Phai gets around 10 mm of rain over 2.4 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 9% and peaks near 12% 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 (%)	6	6	6	6	6	6	6	6	7	7	7	7	8	8	8	9	9	10	10	11	11	11	12	12	12	12	12	12

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

Humidity in February

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, February lands in the humid band about 31% of days. Sticky, muggy-or-worse air turns up on roughly 40% 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 (%)	13	13	13	13	12	12	11	11	10	9	8	8	7	6	5	5	4	4	4	4	3	3	3	3	3	3	3	3
Comfortable (%)	26	26	25	25	25	25	24	24	24	23	23	23	23	22	22	22	21	20	20	19	19	19	18	18	18	17	16	16
Humid (%)	33	33	33	33	33	33	34	34	34	34	35	35	35	34	34	34	33	32	31	30	29	28	27	26	25	25	24	24
Muggy (%)	21	21	22	22	22	23	23	24	24	24	25	25	26	26	27	28	29	29	30	31	31	32	32	33	33	34	35	35
Oppressive (%)	7	7	7	7	7	7	8	8	8	9	9	10	10	11	11	12	13	14	15	16	17	18	19	20	20	21	21	22

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)	Oppressive (%)
1	13	26	33	21	7
2	13	26	33	21	7
3	13	25	33	22	7
4	13	25	33	22	7
5	12	25	33	22	7
6	12	25	33	23	7
7	11	24	34	23	8
8	11	24	34	24	8
9	10	24	34	24	8
10	9	23	34	24	9
11	8	23	35	25	9
12	8	23	35	25	10
13	7	23	35	26	10
14	6	22	34	26	11
15	5	22	34	27	11
16	5	22	34	28	12
17	4	21	33	29	13
18	4	20	32	29	14
19	4	20	31	30	15
20	4	19	30	31	16
21	3	19	29	31	17
22	3	19	28	32	18
23	3	18	27	32	19
24	3	18	26	33	20
25	3	18	25	33	20
26	3	17	25	34	21
27	3	16	24	35	21
28	3	16	24	35	22

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 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
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
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	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 11 h 18 min at the start of February to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over February. Sunrise moves from 6:44 AM to 6:33 AM, and sunset from 6:01 PM to 6:12 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)	11.3	11.3	11.3	11.3	11.3	11.3	11.4	11.4	11.4	11.4	11.4	11.4	11.4	11.5	11.5	11.5	11.5	11.5	11.5	11.5	11.5	11.6	11.6	11.6	11.6	11.6	11.6	11.6
Sunrise (AM)	6:44	6:44	6:43	6:43	6:43	6:43	6:43	6:42	6:42	6:42	6:41	6:41	6:41	6:40	6:40	6:39	6:39	6:38	6:38	6:37	6:37	6:36	6:36	6:35	6:35	6:34	6:34	6:33
Sunset (PM)	6:01	6:02	6:02	6:03	6:03	6:04	6:04	6:05	6:05	6:06	6:06	6:06	6:07	6:07	6:08	6:08	6:08	6:09	6:09	6:09	6:10	6:10	6:10	6:11	6:11	6:11	6:12	6:12

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.3	6:44	6:01
2	11.3	6:44	6:02
3	11.3	6:43	6:02
4	11.3	6:43	6:03
5	11.3	6:43	6:03
6	11.3	6:43	6:04
7	11.4	6:43	6:04
8	11.4	6:42	6:05
9	11.4	6:42	6:05
10	11.4	6:42	6:06
11	11.4	6:41	6:06
12	11.4	6:41	6:06
13	11.4	6:41	6:07
14	11.5	6:40	6:07
15	11.5	6:40	6:08
16	11.5	6:39	6:08
17	11.5	6:39	6:08
18	11.5	6:38	6:09
19	11.5	6:38	6:09
20	11.5	6:37	6:09
21	11.5	6:37	6:10
22	11.6	6:36	6:10
23	11.6	6:36	6:10
24	11.6	6:35	6:11
25	11.6	6:35	6:11
26	11.6	6:34	6:11
27	11.6	6:34	6:12
28	11.6	6:33	6:12

Solar energy in February

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in February, about 5.61 kWh/m².

For context, solar energy here swings from a low near 4.53 kWh/m² to a high of 6.15 kWh/m² in April across the year — February's 5.61 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)	5.3	5.3	5.3	5.4	5.4	5.4	5.5	5.5	5.5	5.5	5.6	5.6	5.6	5.6	5.6	5.7	5.7	5.7	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

	Solar energy (kWh/m²)	Level
1	5.3	Bright
2	5.3	Bright
3	5.3	Bright
4	5.4	Bright
5	5.4	Bright
6	5.4	Bright
7	5.5	Bright
8	5.5	Bright
9	5.5	Bright
10	5.5	Bright
11	5.6	Bright
12	5.6	Bright
13	5.6	Bright
14	5.6	Bright
15	5.6	Bright
16	5.7	Bright
17	5.7	Bright
18	5.7	Bright
19	5.7	Bright
20	5.7	Bright
21	5.7	Bright
22	5.7	Bright
23	5.8	Bright
24	5.8	Bright
25	5.8	Bright
26	5.8	Bright
27	5.8	Bright
28	5.8	Bright

Planning a trip in February

Hazard calendar for Ban Phai

In seasonPeak

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

Ban Phai's monsoon runs May–October, 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 Ban Phai?

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

4.3

Sightseeing

4th-best month of the year

7.6

Beach & pool

4th-best month of the year

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

What to pack for Ban Phai in February

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

In February, Ban Phai sees daytime highs around 33°C and nights near 20°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Ban Phai in February

LowModerateHighVery highExtreme

Clear-sky midday UV in February peaks around 11 (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 Phai peaks around August 12 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 8 (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	10	11	13	13	13	12	10	8	8
Level	Very high	Extreme	Extreme	Very high	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Very high

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

Air quality in Ban Phai 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 Phai is worst in March — around 50 µg/m³ PM2.5 (poor), about 2.4× the cleanest month (June, 21 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)	32	43	50	39	29	21	22	23	27	30	26	24
Level	Moderate	Poor	Poor	Poor	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	32	Moderate
Feb	43	Poor
Mar	50	Poor
Apr	39	Poor
May	29	Moderate
Jun	21	Moderate
Jul	22	Moderate
Aug	23	Moderate
Sep	27	Moderate
Oct	30	Moderate
Nov	26	Moderate
Dec	24	Moderate

Location & terrain

Where is Ban Phai?

Ban Phai sits at 16.1°N, 102.7°E, 174 m above sea level, in Thailand. The nearest listed city is Khon Kaen, 44 km away.

Topography around Ban Phai

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

Within 3 km, the terrain around Ban Phai has only modest variations in elevation — a maximum elevation change of 34 m around an average of 173 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 87 m; within 80 km, large variations in elevation — a maximum elevation change of 894 m.

The land around Ban Phai is covered by cropland (41%), trees (26%) and artificial surfaces (22%) within 3 km, cropland (78%) within 16 km, and cropland (79%) within 80 km.

3 km

34 m

cropland 41%

16 km

87 m

cropland 78%

80 km

894 m

cropland 79%

treesgrasslandcroplandartificial surfaceswaterwetland

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

February weather nearby: Khon Kaen 44 km · Kaeng Khro 51 km · Bua Yai 62 km · Maha Sarakham 62 km · Phu Khiao 73 km · Chaiyaphum 80 km · Chum Phae 86 km · Kaset Sombun 87 km

Thailand travel facts

Travel advisory: Level 1; Exercise Normal Precautions
Power plugs: Type A / B / C; 230 V · 50 Hz
Prices: ≈ 31% of US; price level, 2025
GDP per capita: $8,057; 2025
Happiness: 6.3 / 10; World Happiness, 2025
Homicide rate: 4.8; per 100k, 2011
Road deaths: 32.2; per 100k/yr, 2019
Income group: Upper middle; World Bank
English: Very low; EF EPI 402
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 Phai (16.06°, 102.731°, elevation 174 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	32	19
2	32	19
3	32	19
4	32	19
5	32	19
6	32	19
7	32	19
8	32	20
9	33	20
10	33	20
11	33	20
12	33	20
13	33	20
14	33	20
15	33	21
16	33	21
17	34	21
18	34	21
19	34	21
20	34	21
21	34	21
22	34	21
23	34	22
24	34	22
25	34	22
26	34	22
27	34	22
28	35	22

	Clearer (%)	Cloudier (%)
1	83	17
2	83	17
3	83	17
4	84	16
5	84	16
6	84	16
7	84	16
8	84	16
9	84	16
10	83	17
11	83	17
12	83	17
13	83	17
14	83	17
15	83	17
16	83	17
17	83	17
18	83	17
19	83	17
20	83	17
21	84	16
22	84	16
23	85	15
24	85	15
25	85	15
26	86	14
27	86	14
28	85	15

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

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)	Oppressive (%)
1	13	26	33	21	7
2	13	26	33	21	7
3	13	25	33	22	7
4	13	25	33	22	7
5	12	25	33	22	7
6	12	25	33	23	7
7	11	24	34	23	8
8	11	24	34	24	8
9	10	24	34	24	8
10	9	23	34	24	9
11	8	23	35	25	9
12	8	23	35	25	10
13	7	23	35	26	10
14	6	22	34	26	11
15	5	22	34	27	11
16	5	22	34	28	12
17	4	21	33	29	13
18	4	20	32	29	14
19	4	20	31	30	15
20	4	19	30	31	16
21	3	19	29	31	17
22	3	19	28	32	18
23	3	18	27	32	19
24	3	18	26	33	20
25	3	18	25	33	20
26	3	17	25	34	21
27	3	16	24	35	21
28	3	16	24	35	22

	Avg high (°C)	Avg low (°C)
1	32	19
2	32	19
3	32	19
4	32	19
5	32	19
6	32	19
7	32	19
8	32	20
9	33	20
10	33	20
11	33	20
12	33	20
13	33	20
14	33	20
15	33	21
16	33	21
17	34	21
18	34	21
19	34	21
20	34	21
21	34	21
22	34	21
23	34	22
24	34	22
25	34	22
26	34	22
27	34	22
28	35	22

	Clearer (%)	Cloudier (%)
1	83	17
2	83	17
3	83	17
4	84	16
5	84	16
6	84	16
7	84	16
8	84	16
9	84	16
10	83	17
11	83	17
12	83	17
13	83	17
14	83	17
15	83	17
16	83	17
17	83	17
18	83	17
19	83	17
20	83	17
21	84	16
22	84	16
23	85	15
24	85	15
25	85	15
26	86	14
27	86	14
28	85	15

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

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)	Oppressive (%)
1	13	26	33	21	7
2	13	26	33	21	7
3	13	25	33	22	7
4	13	25	33	22	7
5	12	25	33	22	7
6	12	25	33	23	7
7	11	24	34	23	8
8	11	24	34	24	8
9	10	24	34	24	8
10	9	23	34	24	9
11	8	23	35	25	9
12	8	23	35	25	10
13	7	23	35	26	10
14	6	22	34	26	11
15	5	22	34	27	11
16	5	22	34	28	12
17	4	21	33	29	13
18	4	20	32	29	14
19	4	20	31	30	15
20	4	19	30	31	16
21	3	19	29	31	17
22	3	19	28	32	18
23	3	18	27	32	19
24	3	18	26	33	20
25	3	18	25	33	20
26	3	17	25	34	21
27	3	16	24	35	21
28	3	16	24	35	22

	Avg high (°C)	Avg low (°C)
1	32	19
2	32	19
3	32	19
4	32	19
5	32	19
6	32	19
7	32	19
8	32	20
9	33	20
10	33	20
11	33	20
12	33	20
13	33	20
14	33	20
15	33	21
16	33	21
17	34	21
18	34	21
19	34	21
20	34	21
21	34	21
22	34	21
23	34	22
24	34	22
25	34	22
26	34	22
27	34	22
28	35	22

	Clearer (%)	Cloudier (%)
1	83	17
2	83	17
3	83	17
4	84	16
5	84	16
6	84	16
7	84	16
8	84	16
9	84	16
10	83	17
11	83	17
12	83	17
13	83	17
14	83	17
15	83	17
16	83	17
17	83	17
18	83	17
19	83	17
20	83	17
21	84	16
22	84	16
23	85	15
24	85	15
25	85	15
26	86	14
27	86	14
28	85	15

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

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)	Oppressive (%)
1	13	26	33	21	7
2	13	26	33	21	7
3	13	25	33	22	7
4	13	25	33	22	7
5	12	25	33	22	7
6	12	25	33	23	7
7	11	24	34	23	8
8	11	24	34	24	8
9	10	24	34	24	8
10	9	23	34	24	9
11	8	23	35	25	9
12	8	23	35	25	10
13	7	23	35	26	10
14	6	22	34	26	11
15	5	22	34	27	11
16	5	22	34	28	12
17	4	21	33	29	13
18	4	20	32	29	14
19	4	20	31	30	15
20	4	19	30	31	16
21	3	19	29	31	17
22	3	19	28	32	18
23	3	18	27	32	19
24	3	18	26	33	20
25	3	18	25	33	20
26	3	17	25	34	21
27	3	16	24	35	21
28	3	16	24	35	22