Byford weather in September

In September, Byford sees average daytime highs of 18°C and overnight lows near 9°C, with 65 mm of rain across 9.2 wet days and about 11.8 hours of daylight. It is the 9th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 18°C in the first days to 19°C by the end. The sky is clear or mostly clear about 35% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 18 min at the start of September to 12 h 18 min by month's end. Set against the rest of the year, September is Byford's 9th-clearest and 7th-windiest month. For the whole year in context, see Byford's year-round climate.

Daytime high: 18°; 9th warmest
Overnight low: 9°; 3rd coldest
Rainfall: 65 mm; 9.2 wet days
Daylight: 11 h 48 min; 6:16 AM – 6:04 PM
Cloud cover: 49%; 9th clearest
Wind: 14 km/h; 7th windiest
Solar energy: 4.63 kWh/m²
Travel score: 6.3; out of 10

Byford is suburb of Perth, Western Australia.

Density: 858/km²; people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

← August Byford year-round climate October →Best places to visit in September

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 18°C in the first days to 19°C by the end.

A typical September day in Byford reaches about 18°C in the afternoon and slips back to 9°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 23°C. Set against its neighbours, September runs about 1°C warmer than August and about 3°C cooler than October.

	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)	17	18	18	18	18	18	18	18	18	18	18	18	18	18	18	19	19	19	19	19	19	19	19	19	19	19	19	19	19	20
Avg low (°C)	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	10	10	10

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

Byford weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 5th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	31° / 18°	16	2	13.9	6.0
Feb	31° / 18°	18	1.7	13.2	6.0
Mar	28° / 17°	18	2.6	12.2	7.2
Apr	24° / 14°	26	4.1	11.2	8.0
May	20° / 11°	66	7.4	10.4	7.0
Jun	18° / 9°	95	10.1	9.9	5.8
Jul	16° / 8°	102	12	10.1	5.1
Aug	17° / 9°	92	11.1	10.8	5.5
Sep	18° / 9°	65	9.2	11.8	6.3
Oct	22° / 11°	31	5.1	12.8	7.6
Nov	25° / 13°	24	4.5	13.7	8.1
Dec	29° / 16°	13	2	14.1	7.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 25% of September, with mostly cloudy or overcast conditions the remaining 40%. 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 (%)	61	61	61	60	60	60	60	61	61	61	61	60	60	60	60	60	60	60	59	59	58	58	58	58	58	58	58	59	59	59
Cloudier (%)	39	39	39	40	40	40	40	39	39	39	39	40	40	40	40	40	40	40	41	41	42	42	42	42	42	42	42	41	41	41

	Clearer (%)	Cloudier (%)
1	61	39
2	61	39
3	61	39
4	60	40
5	60	40
6	60	40
7	60	40
8	61	39
9	61	39
10	61	39
11	61	39
12	60	40
13	60	40
14	60	40
15	60	40
16	60	40
17	60	40
18	60	40
19	59	41
20	59	41
21	58	42
22	58	42
23	58	42
24	58	42
25	58	42
26	58	42
27	58	42
28	59	41
29	59	41
30	59	41

Chance of precipitation in September

Any precipitation

Byford gets around 65 mm of rain over 9.2 wet days in September. 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 36% 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 (%)	36	36	36	36	36	35	34	34	33	33	32	32	31	31	30	30	29	29	28	28	28	27	27	27	26	25	25	24	24	23

	Rain chance (%)
1	36
2	36
3	36
4	36
5	36
6	35
7	34
8	34
9	33
10	33
11	32
12	32
13	31
14	31
15	30
16	30
17	29
18	29
19	28
20	28
21	28
22	27
23	27
24	27
25	26
26	25
27	25
28	24
29	24
30	23

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the dry band about 95% 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	29	30
Dry (%)	96	96	96	96	96	96	96	96	96	95	95	95	95	95	95	95	95	95	95	95	95	95	95	95	95	95	95	95	94	94
Comfortable (%)	4	4	4	4	4	4	4	4	4	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	6	6

	Dry (%)	Comfortable (%)
1	96	4
2	96	4
3	96	4
4	96	4
5	96	4
6	96	4
7	96	4
8	96	4
9	96	4
10	95	5
11	95	5
12	95	5
13	95	5
14	95	5
15	95	5
16	95	5
17	95	5
18	95	5
19	95	5
20	95	5
21	95	5
22	95	5
23	95	5
24	95	5
25	95	5
26	95	5
27	95	5
28	95	5
29	94	6
30	94	6

Wind in September

Winds average 14 km/h in September.

Across September, daily wind ranges from about 13 km/h on the calmest days to 14 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)	13	13	13	13	13	13	13	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	13
Feels	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze

	Wind speed (km/h)	Feels
1	13	light breeze
2	13	light breeze
3	13	light breeze
4	13	light breeze
5	13	light breeze
6	13	light breeze
7	13	light breeze
8	14	light breeze
9	14	light breeze
10	14	light breeze
11	14	light breeze
12	14	light breeze
13	14	light breeze
14	14	light breeze
15	14	light breeze
16	14	light breeze
17	14	light breeze
18	14	light breeze
19	14	light breeze
20	14	light breeze
21	14	light breeze
22	14	light breeze
23	14	light breeze
24	14	light breeze
25	14	light breeze
26	14	light breeze
27	14	light breeze
28	14	light breeze
29	14	light breeze
30	13	light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 18 min at the start of September to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over September. Sunrise moves from 6:37 AM to 5:57 AM, and sunset from 5:55 PM to 6:14 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)	11.3	11.3	11.4	11.4	11.4	11.5	11.5	11.5	11.6	11.6	11.6	11.7	11.7	11.7	11.8	11.8	11.8	11.9	11.9	11.9	12.0	12.0	12.0	12.1	12.1	12.1	12.2	12.2	12.2	12.3
Sunrise (AM)	6:37	6:35	6:34	6:33	6:31	6:30	6:29	6:27	6:26	6:24	6:23	6:22	6:20	6:19	6:18	6:16	6:15	6:13	6:12	6:11	6:09	6:08	6:06	6:05	6:04	6:02	6:01	6:00	5:58	5:57
Sunset (PM)	5:55	5:55	5:56	5:57	5:57	5:58	5:59	5:59	6:00	6:01	6:01	6:02	6:03	6:03	6:04	6:04	6:05	6:06	6:06	6:07	6:08	6:08	6:09	6:10	6:10	6:11	6:12	6:12	6:13	6:14

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.3	6:37	5:55
2	11.3	6:35	5:55
3	11.4	6:34	5:56
4	11.4	6:33	5:57
5	11.4	6:31	5:57
6	11.5	6:30	5:58
7	11.5	6:29	5:59
8	11.5	6:27	5:59
9	11.6	6:26	6:00
10	11.6	6:24	6:01
11	11.6	6:23	6:01
12	11.7	6:22	6:02
13	11.7	6:20	6:03
14	11.7	6:19	6:03
15	11.8	6:18	6:04
16	11.8	6:16	6:04
17	11.8	6:15	6:05
18	11.9	6:13	6:06
19	11.9	6:12	6:06
20	11.9	6:11	6:07
21	12.0	6:09	6:08
22	12.0	6:08	6:08
23	12.0	6:06	6:09
24	12.1	6:05	6:10
25	12.1	6:04	6:10
26	12.1	6:02	6:11
27	12.2	6:01	6:12
28	12.2	6:00	6:12
29	12.2	5:58	6:13
30	12.3	5:57	6:14

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.63 kWh/m².

For context, solar energy here swings from a low near 2.5 kWh/m² to a high of 8.33 kWh/m² in December across the year — September's 4.63 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)	4.0	4.0	4.1	4.1	4.2	4.2	4.2	4.3	4.3	4.4	4.4	4.5	4.5	4.6	4.6	4.7	4.7	4.8	4.8	4.9	4.9	5.0	5.0	5.1	5.1	5.2	5.2	5.3	5.3	5.4
Level	Moderate	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	4.0	Moderate
2	4.0	Bright
3	4.1	Bright
4	4.1	Bright
5	4.2	Bright
6	4.2	Bright
7	4.2	Bright
8	4.3	Bright
9	4.3	Bright
10	4.4	Bright
11	4.4	Bright
12	4.5	Bright
13	4.5	Bright
14	4.6	Bright
15	4.6	Bright
16	4.7	Bright
17	4.7	Bright
18	4.8	Bright
19	4.8	Bright
20	4.9	Bright
21	4.9	Bright
22	5.0	Bright
23	5.0	Bright
24	5.1	Bright
25	5.1	Bright
26	5.2	Bright
27	5.2	Bright
28	5.3	Bright
29	5.3	Bright
30	5.4	Bright

Planning a trip in September

Hazard calendar for Byford

In seasonPeak

In September, Byford sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Byford sits in the South Indian Ocean cyclone belt; the season peaks January–March.

Byford's rainy season runs May–September, when most of the year's rain falls.

Cyclone

Rainy season

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is September a good time to visit Byford?

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

6.3

Sightseeing

7th-best month of the year

2.4

Beach & pool

9th-best month of the year

September is a reasonable time to visit Byford for sightseeing.

What to pack for Byford in September

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

In September, Byford sees daytime highs around 18°C and nights near 9°C. Worth packing: rain gear and sun protection. About 9 days see rain.

rain gearsun protection

Sea temperature near Byford in September

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

The sea at the nearest coast (about 38 km away) is warmest in February at about 22°C and coldest in September near 19°C.

It's comfortable for a long swim from Nov 26 to Jul 9 — about 7.4 months when the water holds above 20°C.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	22	22	22	22	22	21	20	19	19	19	20	21
Comfort	Refreshing	Refreshing	Refreshing	Refreshing	Refreshing	Refreshing	Cool	Cool	Cool	Cool	Cool	Refreshing

	Sea temperature (°C)	Comfort
Jan	22	Refreshing
Feb	22	Refreshing
Mar	22	Refreshing
Apr	22	Refreshing
May	22	Refreshing
Jun	21	Refreshing
Jul	20	Cool
Aug	19	Cool
Sep	19	Cool
Oct	19	Cool
Nov	20	Cool
Dec	21	Refreshing

UV index in Byford in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September 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 Byford peaks around December 23 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 3 (moderate).

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)	13	12	11	6	4	3	3	5	8	9	10	13
Level	Extreme	Extreme	Extreme	High	Moderate	Moderate	Moderate	Moderate	Very high	Very high	Extreme	Extreme

	UV index (midday)	Level
Jan	13	Extreme
Feb	12	Extreme
Mar	11	Extreme
Apr	6	High
May	4	Moderate
Jun	3	Moderate
Jul	3	Moderate
Aug	5	Moderate
Sep	8	Very high
Oct	9	Very high
Nov	10	Extreme
Dec	13	Extreme

Air quality in Byford in September

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Byford is worst in May — around 18 µg/m³ PM2.5 (moderate), about 4.4× the cleanest month (December, 4 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)	8	7	5	10	18	8	6	7	15	15	10	4
Level	Good	Good	Good	Good	Moderate	Good	Good	Good	Moderate	Moderate	Good	Good

	PM2.5 (µg/m³)	Level
Jan	8	Good
Feb	7	Good
Mar	5	Good
Apr	10	Good
May	18	Moderate
Jun	8	Good
Jul	6	Good
Aug	7	Good
Sep	15	Moderate
Oct	15	Moderate
Nov	10	Good
Dec	4	Good

Location & terrain

Where is Byford?

Byford sits at 32.2°S, 116.0°E, 64 m above sea level, in Australia. The nearest listed city is Gosnells, 16 km away.

Topography around Byford

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

Within 3 km, the terrain around Byford has significant variations in elevation — a maximum elevation change of 277 m around an average of 96 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 415 m; within 80 km, significant variations in elevation — a maximum elevation change of 568 m.

The land around Byford is covered by trees (54%), grassland (21%) and artificial surfaces (21%) within 3 km, trees (61%) and grassland (24%) within 16 km, and trees (45%) and water (27%) within 80 km.

3 km

277 m

trees 54%

16 km

415 m

trees 61%

80 km

568 m

trees 45%

treesshrubsgrasslandcroplandartificial surfacesbare terrainwater

← August Byford year-round climate October →Best places to visit in September

September weather nearby: Gosnells 16 km · Thornlie 19 km · Canning Vale 20 km · Baldivis 21 km · Kwinana 21 km · Willetton 22 km · Rockingham 27 km · Perth 33 km

Australia travel facts

Travel advisory: Level 1; Exercise Normal Precautions
Power plugs: Type I; 230 V · 50 Hz
Prices: ≈ 90% of US; price level, 2025
GDP per capita: $65,130; 2025
Happiness: 6.9 / 10; World Happiness, 2025
Homicide rate: 0.9; per 100k, 2023
Road deaths: 4.9; per 100k/yr, 2019
Income group: High; World Bank
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 Byford (-32.221°, 116.009°, elevation 64 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	17	9
2	18	9
3	18	9
4	18	9
5	18	9
6	18	9
7	18	9
8	18	9
9	18	9
10	18	9
11	18	9
12	18	9
13	18	9
14	18	9
15	18	9
16	19	9
17	19	9
18	19	9
19	19	9
20	19	9
21	19	9
22	19	9
23	19	9
24	19	9
25	19	9
26	19	9
27	19	9
28	19	10
29	19	10
30	20	10

	Clearer (%)	Cloudier (%)
1	61	39
2	61	39
3	61	39
4	60	40
5	60	40
6	60	40
7	60	40
8	61	39
9	61	39
10	61	39
11	61	39
12	60	40
13	60	40
14	60	40
15	60	40
16	60	40
17	60	40
18	60	40
19	59	41
20	59	41
21	58	42
22	58	42
23	58	42
24	58	42
25	58	42
26	58	42
27	58	42
28	59	41
29	59	41
30	59	41

	Rain chance (%)
1	36
2	36
3	36
4	36
5	36
6	35
7	34
8	34
9	33
10	33
11	32
12	32
13	31
14	31
15	30
16	30
17	29
18	29
19	28
20	28
21	28
22	27
23	27
24	27
25	26
26	25
27	25
28	24
29	24
30	23

	Dry (%)	Comfortable (%)
1	96	4
2	96	4
3	96	4
4	96	4
5	96	4
6	96	4
7	96	4
8	96	4
9	96	4
10	95	5
11	95	5
12	95	5
13	95	5
14	95	5
15	95	5
16	95	5
17	95	5
18	95	5
19	95	5
20	95	5
21	95	5
22	95	5
23	95	5
24	95	5
25	95	5
26	95	5
27	95	5
28	95	5
29	94	6
30	94	6

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

	Clearer (%)	Cloudier (%)
1	61	39
2	61	39
3	61	39
4	60	40
5	60	40
6	60	40
7	60	40
8	61	39
9	61	39
10	61	39
11	61	39
12	60	40
13	60	40
14	60	40
15	60	40
16	60	40
17	60	40
18	60	40
19	59	41
20	59	41
21	58	42
22	58	42
23	58	42
24	58	42
25	58	42
26	58	42
27	58	42
28	59	41
29	59	41
30	59	41

	Rain chance (%)
1	36
2	36
3	36
4	36
5	36
6	35
7	34
8	34
9	33
10	33
11	32
12	32
13	31
14	31
15	30
16	30
17	29
18	29
19	28
20	28
21	28
22	27
23	27
24	27
25	26
26	25
27	25
28	24
29	24
30	23

	Dry (%)	Comfortable (%)
1	96	4
2	96	4
3	96	4
4	96	4
5	96	4
6	96	4
7	96	4
8	96	4
9	96	4
10	95	5
11	95	5
12	95	5
13	95	5
14	95	5
15	95	5
16	95	5
17	95	5
18	95	5
19	95	5
20	95	5
21	95	5
22	95	5
23	95	5
24	95	5
25	95	5
26	95	5
27	95	5
28	95	5
29	94	6
30	94	6

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

	Clearer (%)	Cloudier (%)
1	61	39
2	61	39
3	61	39
4	60	40
5	60	40
6	60	40
7	60	40
8	61	39
9	61	39
10	61	39
11	61	39
12	60	40
13	60	40
14	60	40
15	60	40
16	60	40
17	60	40
18	60	40
19	59	41
20	59	41
21	58	42
22	58	42
23	58	42
24	58	42
25	58	42
26	58	42
27	58	42
28	59	41
29	59	41
30	59	41

	Rain chance (%)
1	36
2	36
3	36
4	36
5	36
6	35
7	34
8	34
9	33
10	33
11	32
12	32
13	31
14	31
15	30
16	30
17	29
18	29
19	28
20	28
21	28
22	27
23	27
24	27
25	26
26	25
27	25
28	24
29	24
30	23

	Dry (%)	Comfortable (%)
1	96	4
2	96	4
3	96	4
4	96	4
5	96	4
6	96	4
7	96	4
8	96	4
9	96	4
10	95	5
11	95	5
12	95	5
13	95	5
14	95	5
15	95	5
16	95	5
17	95	5
18	95	5
19	95	5
20	95	5
21	95	5
22	95	5
23	95	5
24	95	5
25	95	5
26	95	5
27	95	5
28	95	5
29	94	6
30	94	6