Chilanga Township weather in April

In April, Chilanga Township sees average daytime highs of 26°C and overnight lows near 16°C, with 27 mm of rain across 5.5 wet days and about 11.7 hours of daylight. It is the 8th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 42% of the time in April, and the air most often feels comfortable.

Daylight stretches from about 11 h 54 min at the start of April to 11 h 30 min by month's end. Set against the rest of the year, April is Chilanga Township's 7th-clearest and 6th-windiest month. For the whole year in context, see Chilanga Township's year-round climate.

Daytime high: 26°; 8th warmest
Overnight low: 16°; 5th coldest
Rainfall: 27 mm; 5.5 wet days
Daylight: 11 h 42 min; 6:18 AM – 5:57 PM
Cloud cover: 46%; 7th clearest
Wind: 12 km/h; 6th windiest
Solar energy: 5.46 kWh/m²
Travel score: 7.5; out of 10

← March Chilanga Township 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

Day-to-day highs hold fairly steady near 26°C through the month.

A typical April day in Chilanga Township reaches about 26°C in the afternoon and slips back to 16°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 29°C. Set against its neighbours, April runs on par with March and about 1°C warmer 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)	27	27	27	27	27	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26
Avg low (°C)	17	17	17	17	17	17	17	16	16	16	16	16	16	16	16	16	16	16	15	15	15	15	15	15	15	15	15	15	15	15

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

Chilanga Township weather by month

How April compares with the rest of the year at a glance. April is the 8th-warmest and 6th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	27° / 19°	240	25.5	12.8	4.0
Feb	27° / 19°	187	21.8	12.5	4.3
Mar	27° / 18°	129	19	12.1	5.2
Apr	26° / 16°	27	5.5	11.7	7.5
May	25° / 13°	3	0.9	11.3	8.8
Jun	23° / 11°	1	0.1	11.1	9.2
Jul	23° / 11°	1	0.1	11.2	9.1
Aug	26° / 13°	0	0.1	11.5	9.0
Sep	30° / 17°	2	0.4	11.9	7.0
Oct	32° / 20°	15	3.3	12.4	5.2
Nov	30° / 20°	98	14.3	12.7	4.3
Dec	27° / 19°	228	24.5	12.9	4.1

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 27% of April, with mostly cloudy or overcast conditions the remaining 31%. 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	29	30
Clearer (%)	56	58	59	60	60	61	61	62	63	63	63	65	65	67	67	68	69	71	71	73	74	75	76	77	78	79	80	80	82	82
Cloudier (%)	44	42	41	40	40	39	39	38	37	37	37	35	35	33	33	32	31	29	29	27	26	25	24	23	22	21	20	20	18	18

	Clearer (%)	Cloudier (%)
1	56	44
2	58	42
3	59	41
4	60	40
5	60	40
6	61	39
7	61	39
8	62	38
9	63	37
10	63	37
11	63	37
12	65	35
13	65	35
14	67	33
15	67	33
16	68	32
17	69	31
18	71	29
19	71	29
20	73	27
21	74	26
22	75	25
23	76	24
24	77	23
25	78	22
26	79	21
27	80	20
28	80	20
29	82	18
30	82	18

Chance of precipitation in April

Any precipitation

Chilanga Township gets around 27 mm of rain over 5.5 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 19% and peaks near 38% on the wettest days. The odds ease 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	29	30
Rain chance (%)	38	36	34	33	31	29	28	27	25	24	23	22	21	20	19	18	16	16	15	14	13	12	11	10	9	8	8	7	7	6

	Rain chance (%)
1	38
2	36
3	34
4	33
5	31
6	29
7	28
8	27
9	25
10	24
11	23
12	22
13	21
14	20
15	19
16	18
17	16
18	16
19	15
20	14
21	13
22	12
23	11
24	10
25	9
26	8
27	8
28	7
29	7
30	6

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the comfortable band about 34% of days. Sticky, muggy-or-worse air turns up on roughly 10% 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	29	30
Dry (%)	6	6	7	8	9	10	11	12	13	15	16	18	19	20	22	23	25	26	28	30	31	33	36	38	40	42	44	47	49	51
Comfortable (%)	22	23	24	26	27	28	29	30	31	32	33	34	35	36	37	38	38	39	39	40	40	40	40	39	39	39	38	37	36	36
Humid (%)	44	44	45	45	45	44	44	43	42	41	40	39	37	36	34	32	30	28	27	25	24	22	21	19	18	17	15	14	13	12
Muggy (%)	29	26	24	22	20	18	16	14	13	12	11	10	9	8	8	7	7	6	6	6	5	5	4	4	3	3	2	2	2	1

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	6	22	44	29
2	6	23	44	26
3	7	24	45	24
4	8	26	45	22
5	9	27	45	20
6	10	28	44	18
7	11	29	44	16
8	12	30	43	14
9	13	31	42	13
10	15	32	41	12
11	16	33	40	11
12	18	34	39	10
13	19	35	37	9
14	20	36	36	8
15	22	37	34	8
16	23	38	32	7
17	25	38	30	7
18	26	39	28	6
19	28	39	27	6
20	30	40	25	6
21	31	40	24	5
22	33	40	22	5
23	36	40	21	4
24	38	39	19	4
25	40	39	18	3
26	42	39	17	3
27	44	38	15	2
28	47	37	14	2
29	49	36	13	2
30	51	36	12	1

Wind in April

Winds average 12 km/h in April.

Across April, daily wind ranges from about 11 km/h on the calmest days to 12 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)	11	11	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12
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	11	calm
2	11	calm
3	12	calm
4	12	calm
5	12	calm
6	12	calm
7	12	calm
8	12	calm
9	12	calm
10	12	calm
11	12	calm
12	12	calm
13	12	calm
14	12	calm
15	12	calm
16	12	calm
17	12	calm
18	12	calm
19	12	calm
20	12	calm
21	12	calm
22	12	calm
23	12	calm
24	12	calm
25	12	calm
26	12	calm
27	12	calm
28	12	calm
29	12	calm
30	12	calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 54 min at the start of April to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over April. Sunrise moves from 6:15 AM to 6:20 AM, and sunset from 6:08 PM to 5:48 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)	11.9	11.9	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.7	11.7	11.7	11.7	11.7	11.7	11.7	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.5	11.5	11.5	11.5	11.5	11.5	11.5
Sunrise (AM)	6:15	6:16	6:16	6:16	6:16	6:16	6:16	6:16	6:17	6:17	6:17	6:17	6:17	6:17	6:17	6:18	6:18	6:18	6:18	6:18	6:19	6:19	6:19	6:19	6:19	6:20	6:20	6:20	6:20	6:20
Sunset (PM)	6:08	6:07	6:06	6:05	6:05	6:04	6:03	6:02	6:02	6:01	6:00	5:59	5:59	5:58	5:57	5:57	5:56	5:55	5:55	5:54	5:53	5:53	5:52	5:52	5:51	5:50	5:50	5:49	5:49	5:48

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.9	6:15	6:08
2	11.9	6:16	6:07
3	11.8	6:16	6:06
4	11.8	6:16	6:05
5	11.8	6:16	6:05
6	11.8	6:16	6:04
7	11.8	6:16	6:03
8	11.8	6:16	6:02
9	11.8	6:17	6:02
10	11.7	6:17	6:01
11	11.7	6:17	6:00
12	11.7	6:17	5:59
13	11.7	6:17	5:59
14	11.7	6:17	5:58
15	11.7	6:17	5:57
16	11.7	6:18	5:57
17	11.6	6:18	5:56
18	11.6	6:18	5:55
19	11.6	6:18	5:55
20	11.6	6:18	5:54
21	11.6	6:19	5:53
22	11.6	6:19	5:53
23	11.6	6:19	5:52
24	11.5	6:19	5:52
25	11.5	6:19	5:51
26	11.5	6:20	5:50
27	11.5	6:20	5:50
28	11.5	6:20	5:49
29	11.5	6:20	5:49
30	11.5	6:20	5:48

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.46 kWh/m².

For context, solar energy here swings from a low near 4.8 kWh/m² to a high of 7.24 kWh/m² in October across the year — April's 5.46 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	29	30
Solar energy (kWh/m²)	5.5	5.5	5.5	5.5	5.5	5.5	5.4	5.4	5.4	5.4	5.4	5.4	5.4	5.4	5.4	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	5.5
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	5.5	Bright
2	5.5	Bright
3	5.5	Bright
4	5.5	Bright
5	5.5	Bright
6	5.5	Bright
7	5.4	Bright
8	5.4	Bright
9	5.4	Bright
10	5.4	Bright
11	5.4	Bright
12	5.4	Bright
13	5.4	Bright
14	5.4	Bright
15	5.4	Bright
16	5.5	Bright
17	5.5	Bright
18	5.5	Bright
19	5.5	Bright
20	5.5	Bright
21	5.5	Bright
22	5.5	Bright
23	5.5	Bright
24	5.5	Bright
25	5.5	Bright
26	5.5	Bright
27	5.5	Bright
28	5.5	Bright
29	5.5	Bright
30	5.5	Bright

Planning a trip in April

Hazard calendar for Chilanga Township

In seasonPeak

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

Chilanga Township's monsoon runs December–March, when most of the year's rain falls.

Monsoon

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is April a good time to visit Chilanga Township?

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

7.5

Sightseeing

5th-best month of the year

7.2

Beach & pool

6th-best month of the year

April is one of the better times to visit Chilanga Township for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Chilanga Township in April

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

In April, Chilanga Township sees daytime highs around 26°C and nights near 16°C. Worth packing: light clothes and sun protection. About 6 days see rain.

light clothessun protection

UV index in Chilanga Township in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Chilanga Township peaks around January 19 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 9 (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)	17	15	14	12	10	9	9	10	11	12	14	13
Level	Extreme	Extreme	Extreme	Extreme	Very high	Very high	Very high	Very high	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	17	Extreme
Feb	15	Extreme
Mar	14	Extreme
Apr	12	Extreme
May	10	Very high
Jun	9	Very high
Jul	9	Very high
Aug	10	Very high
Sep	11	Extreme
Oct	12	Extreme
Nov	14	Extreme
Dec	13	Extreme

Air quality in Chilanga Township 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 Chilanga Township is worst in September — around 37 µg/m³ PM2.5 (poor), about 3.3× the cleanest month (December, 11 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)	13	14	13	14	17	22	28	36	37	26	15	11
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Poor	Poor	Moderate	Moderate	Good

	PM2.5 (µg/m³)	Level
Jan	13	Moderate
Feb	14	Moderate
Mar	13	Moderate
Apr	14	Moderate
May	17	Moderate
Jun	22	Moderate
Jul	28	Moderate
Aug	36	Poor
Sep	37	Poor
Oct	26	Moderate
Nov	15	Moderate
Dec	11	Good

Location & terrain

Where is Chilanga Township?

Chilanga Township sits at 15.6°S, 28.3°E, 1,198 m above sea level, in Zambia. The nearest listed city is Chisankane, 13 km away.

Topography around Chilanga Township

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

Within 3 km, the terrain around Chilanga Township has only modest variations in elevation — a maximum elevation change of 148 m around an average of 1,212 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 313 m; within 80 km, large variations in elevation — a maximum elevation change of 1,160 m.

The land around Chilanga Township is covered by trees (37%) and grassland (20%) within 3 km, shrubs (27%), grassland (23%) and trees (22%) within 16 km, and grassland (29%), shrubs (25%) and trees (24%) within 80 km.

3 km

148 m

trees 37%

16 km

313 m

shrubs 27%

80 km

1,160 m

grassland 29%

treesshrubsgrasslandcroplandartificial surfacesbare terrainwetland

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

April weather nearby: Chisankane 13 km · Lusaka 18 km · Namalombwe 22 km · Kafue 24 km · Ntandabale 26 km · Madido 27 km · Chunga 28 km · Palabana 32 km

Zambia travel facts

Travel advisory: Level 1; Exercise Normal Precautions
Power plugs: Type C / D / G; 230 V · 50 Hz
Prices: ≈ 30% of US; price level, 2025
GDP per capita: $1,318; 2025
Happiness: 4.1 / 10; World Happiness, 2025
Homicide rate: 5.2; per 100k, 2015
Road deaths: 20.5; per 100k/yr, 2019
Income group: Lower middle; World Bank
English: High; EF EPI 573
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 Chilanga Township (-15.5708°, 28.2701°, elevation 1,198 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	27	17
2	27	17
3	27	17
4	27	17
5	27	17
6	26	17
7	26	17
8	26	16
9	26	16
10	26	16
11	26	16
12	26	16
13	26	16
14	26	16
15	26	16
16	26	16
17	26	16
18	26	16
19	26	15
20	26	15
21	26	15
22	26	15
23	26	15
24	26	15
25	26	15
26	26	15
27	26	15
28	26	15
29	26	15
30	26	15

	Clearer (%)	Cloudier (%)
1	56	44
2	58	42
3	59	41
4	60	40
5	60	40
6	61	39
7	61	39
8	62	38
9	63	37
10	63	37
11	63	37
12	65	35
13	65	35
14	67	33
15	67	33
16	68	32
17	69	31
18	71	29
19	71	29
20	73	27
21	74	26
22	75	25
23	76	24
24	77	23
25	78	22
26	79	21
27	80	20
28	80	20
29	82	18
30	82	18

	Rain chance (%)
1	38
2	36
3	34
4	33
5	31
6	29
7	28
8	27
9	25
10	24
11	23
12	22
13	21
14	20
15	19
16	18
17	16
18	16
19	15
20	14
21	13
22	12
23	11
24	10
25	9
26	8
27	8
28	7
29	7
30	6

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	6	22	44	29
2	6	23	44	26
3	7	24	45	24
4	8	26	45	22
5	9	27	45	20
6	10	28	44	18
7	11	29	44	16
8	12	30	43	14
9	13	31	42	13
10	15	32	41	12
11	16	33	40	11
12	18	34	39	10
13	19	35	37	9
14	20	36	36	8
15	22	37	34	8
16	23	38	32	7
17	25	38	30	7
18	26	39	28	6
19	28	39	27	6
20	30	40	25	6
21	31	40	24	5
22	33	40	22	5
23	36	40	21	4
24	38	39	19	4
25	40	39	18	3
26	42	39	17	3
27	44	38	15	2
28	47	37	14	2
29	49	36	13	2
30	51	36	12	1

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

	Clearer (%)	Cloudier (%)
1	56	44
2	58	42
3	59	41
4	60	40
5	60	40
6	61	39
7	61	39
8	62	38
9	63	37
10	63	37
11	63	37
12	65	35
13	65	35
14	67	33
15	67	33
16	68	32
17	69	31
18	71	29
19	71	29
20	73	27
21	74	26
22	75	25
23	76	24
24	77	23
25	78	22
26	79	21
27	80	20
28	80	20
29	82	18
30	82	18

	Rain chance (%)
1	38
2	36
3	34
4	33
5	31
6	29
7	28
8	27
9	25
10	24
11	23
12	22
13	21
14	20
15	19
16	18
17	16
18	16
19	15
20	14
21	13
22	12
23	11
24	10
25	9
26	8
27	8
28	7
29	7
30	6

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	6	22	44	29
2	6	23	44	26
3	7	24	45	24
4	8	26	45	22
5	9	27	45	20
6	10	28	44	18
7	11	29	44	16
8	12	30	43	14
9	13	31	42	13
10	15	32	41	12
11	16	33	40	11
12	18	34	39	10
13	19	35	37	9
14	20	36	36	8
15	22	37	34	8
16	23	38	32	7
17	25	38	30	7
18	26	39	28	6
19	28	39	27	6
20	30	40	25	6
21	31	40	24	5
22	33	40	22	5
23	36	40	21	4
24	38	39	19	4
25	40	39	18	3
26	42	39	17	3
27	44	38	15	2
28	47	37	14	2
29	49	36	13	2
30	51	36	12	1

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

	Clearer (%)	Cloudier (%)
1	56	44
2	58	42
3	59	41
4	60	40
5	60	40
6	61	39
7	61	39
8	62	38
9	63	37
10	63	37
11	63	37
12	65	35
13	65	35
14	67	33
15	67	33
16	68	32
17	69	31
18	71	29
19	71	29
20	73	27
21	74	26
22	75	25
23	76	24
24	77	23
25	78	22
26	79	21
27	80	20
28	80	20
29	82	18
30	82	18

	Rain chance (%)
1	38
2	36
3	34
4	33
5	31
6	29
7	28
8	27
9	25
10	24
11	23
12	22
13	21
14	20
15	19
16	18
17	16
18	16
19	15
20	14
21	13
22	12
23	11
24	10
25	9
26	8
27	8
28	7
29	7
30	6

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	6	22	44	29
2	6	23	44	26
3	7	24	45	24
4	8	26	45	22
5	9	27	45	20
6	10	28	44	18
7	11	29	44	16
8	12	30	43	14
9	13	31	42	13
10	15	32	41	12
11	16	33	40	11
12	18	34	39	10
13	19	35	37	9
14	20	36	36	8
15	22	37	34	8
16	23	38	32	7
17	25	38	30	7
18	26	39	28	6
19	28	39	27	6
20	30	40	25	6
21	31	40	24	5
22	33	40	22	5
23	36	40	21	4
24	38	39	19	4
25	40	39	18	3
26	42	39	17	3
27	44	38	15	2
28	47	37	14	2
29	49	36	13	2
30	51	36	12	1