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Valley (nearest observation site to Cemaes)

Sunday (Sunday 24 September 2017)
10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00
Heavy shower day Light rain Overcast Overcast Drizzle Light shower day Overcast Overcast Overcast Overcast Mist Mist Overcast Fog
Temperature (°C)
13.7 ° 13.9 ° 14.8 ° 15.2 ° 14.6 ° 15.0 ° 15.6 ° 15.4 ° 15.5 ° 15.5 ° 14.6 ° 14.6 ° 14.0 ° 13.7 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
SSE 11 SSE 14 SSE 14 SSE 13 S 16 SSE 10 S 11 S 8 S 6 WSW 3 W 3 WNW 6 N 0 ENE 2
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
M M G G M M G G G VG M M P VP
Humidity Expand
93% 96% 90% 88% 95% 97% 94% 95% 95% 95% 99% 99% 99% 99%
Pressure (hPa) Expand
1016 1016 1016 1016 1017 1016 1017 1017 1017 1017 1018 1018 1018 1019
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
R R R R R R R R R R R R R R
Sunrise: 07:06 Sunset: 19:12 Moon phase: New
Monday (Monday 25 September 2017)
00:00 01:00 02:00 03:00 04:00 05:00 06:00 07:00 08:00 09:00 10:00
Fog Overcast Fog Fog Fog Fog Fog Fog Fog Sunny day Fog
Temperature (°C)
12.4 ° 13.7 ° 13.1 ° 12.7 ° 12.4 ° 11.8 ° 10.8 ° 9.8 ° 9.0 ° 10.9 ° 12.4 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
NNE 1 N 8 N 6 N 3 NE 1 SE 1 E 3 SSE 1 E 1 N 0 NNE 2
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
VP P VP VP VP VP VP VP VP P VP
Humidity Expand
100% 99% 100% 100% 100% 100% 100% 100% 100% 100% 100%
Pressure (hPa) Expand
1019 1019 1019 1019 1019 1019 1019 1020 1020 1021 1021
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
R R R R R R R R R R R
Sunrise: 07:08 Sunset: 19:10 Moon phase: Waxing crescent

– = No Data

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Extremes

Wales extremes

Parameter Location Value
Highest maximum temperature Hawarden 19.1 °C
Lowest maximum temperature Lake Vyrnwy SAWS 15.1 °C
Lowest minimum temperature Usk No 2 7.9 °C
Highest rainfall Porthmadog 10.0 mm
Sunniest Hawarden 1.3 hours

UK extremes

Parameter Location Value
Highest maximum temperature Northolt 22.8 °C
Lowest maximum temperature Dalwhinnie 12.7 °C
Lowest minimum temperature South Newington 5.2 °C
Highest rainfall Dundrennan 15.4 mm
Sunniest Shoeburyness 9.3 hours

About extremes

Highest maximum temperature - (0900 to 2100 on the date shown)

Lowest maximum temperature - (0900 to 2100 on the date shown)

Lowest minimum temperature - (2100 on the previous day to 0900 on the date shown)

Highest rainfall -(2100 on the previous day to 2100 on the date shown)

Sunniest - (2100 on the previous day to 2100 on the date shown)

The information shown is initial data as it is received; observations are subject to final quality control after publication on this website. This is particularly the case for rainfall totals during snow events.

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