Date Mountain Sites? Wind Unit? Number of Results
Include Exclude knots mph

24-hour Temperature Extremes

Min Temperatures - 20/09/1969 09Z(D-1) to 09Z(D)
IDStation Name (Altitude)Minimum
00412Santon Downham, Grimes Graves (24 m)-2.2°C
00575Caldecott P Sta (53 m)-0.1°C
00561Warsop (46 m)-0.1°C
00452Mepal (-2 m)0.0°C
00616Grendon Underwood (67 m)0.6°C
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Max Temperatures - 20/09/1969 09Z(D) to 09Z(D+1)
IDStation Name (Altitude)Maximum
00562Finningley (10 m)20.2°C
00449Lowestoft (25 m)20.0°C
00744East Malling (33 m)20.0°C
00708Heathrow (25 m)19.8°C
00763Folkestone (39 m)19.4°C
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12-hour Temperature Extremes

Min Temperatures - 20/09/1969 21Z(D-1) to 09Z(D)
IDStation Name (Altitude)Minimum
00593Elmdon (96 m)0.8°C
00465Cardington (27 m)2.0°C
00822Abingdon (69 m)2.0°C
00842Hurn (10 m)2.2°C
01241Cenarth Mill (282 m)2.2°C
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Max Temperatures - 20/09/1969 09Z(D) to 21Z(D)
IDStation Name (Altitude)Maximum
00562Finningley (10 m)20.2°C
00708Heathrow (25 m)19.8°C
00605Brize Norton (82 m)19.4°C
01302Yeovilton (20 m)19.1°C
00671Ross-on-wye (67 m)19.1°C
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Rainfall & Sunshine Extremes

Max Rainfall - 20/09/1969 09Z(D)-09Z(D+1)
IDStation Name (Altitude)Rainfall
00089Rhum: Kinloch (5 m)23.1 mm
00065Achnashellach (67 m)22.9 mm
00509Malham Tarn (381 m)21.3 mm
01119Stonyhurst (115 m)20.1 mm
00911Achaglachgach (12 m)19.3 mm
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Max Sunshine - 20/09/1969
IDStation Name (Altitude)Maximum
00757Faversham (46 m, CS)11.2 hours
00879Wight: Sandown (4 m, CS)10.9 hours
00434Mildenhall (5 m, CS)10.9 hours
00763Folkestone (39 m, CS)10.6 hours
00440Wattisham (89 m, CS)10.5 hours
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Wind Extremes

Max 10-min mean - 20/09/1969
IDStation Name (Altitude)Maximum
00061Rudh Re (16 m)37 knots
00955Earls Hill (335 m)35 knots
00054Stornoway Airport (15 m)34 knots
00037Cape Wrath (112 m)30 knots
01084Great Dun Fell (847 m)30 knots
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Max Hourly Gust - 20/09/1969
IDStation Name (Altitude)Maximum
00120Cairngorm (1090 m)61 knots
00054Stornoway Airport (15 m)45 knots
18974Tiree (9 m)43 knots
01084Great Dun Fell (847 m)42 knots
00996Hunterston No 3 (8 m)42 knots
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Pressure Extremes

Highest Pressure - 20/09/1969
IDStation Name (Altitude)Highest
01385Scilly: St Marys (51 m)1021.9 hPa
01405St Mawgan (103 m)1021.2 hPa
01302Yeovilton (20 m)1021.0 hPa
00593Elmdon (96 m)1020.9 hPa
00556Nottingham, Watnall (117 m)1020.8 hPa
Lowest Pressure - 20/09/1969
IDStation Name (Altitude)Lowest
00009Lerwick (82 m)1001.8 hPa
00017Sule Skerry (12 m)1002.0 hPa
00037Cape Wrath (112 m)1003.2 hPa
00023Kirkwall (26 m)1003.7 hPa
00080Tarbatness (18 m)1004.6 hPa