1991         

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 Callington | Cornwall
   England
   1991 early August
 Callington | Cornwall
   England
   1991 early August
 Cheesefoot Head | Hampshire
   England
   1991 early August
   Wheat 29 m | 95 ft
 Keystone | Cambridgeshire
   England
   1991 early August
24 m | 78 ft
 Wilton | Hampshire
   England
   1991 early August
180 m | 590 ft
 Avebury | Wiltshire
   England
   1991 August 01
42 m | 137 ft
 Beckhampton | Wiltshire
   England
   1991 August 01
   Wheat 100 m | 330 ft
 Guyhirn | Cambridgeshire
   England
   1991 August 01
 Avebury | Wiltshire
   England
   1991 August 02
 Beckhampton | Wiltshire
   England
   1991 August 02
   Wheat 39 m | 128 ft
  addition from July 30
 Bentworth | Hampshire
   England
   1991 August 02
 Cheesefoot Head | Hampshire
   England
   1991 August 02
   Wheat 45 m | 148 ft
 Morestead | Hampshire
   England
   1991 August 02
   Barley 42 m | 138 ft
 Avebury | Wiltshire
   England
   1991 August 03
 Searby | Humberside
   England
   1991 August 03
   Barley 14 m | 46 ft
 Waden Hill | Wiltshire
   England
   1991 August 03
 Auenstein | Baden-Württemberg
   Germany
   1991 August 03
   Wheat
  Dumbbell
 Bornheim | Rheinland-Pfalz
   Germany
   1991 August 03
40 m | 131 ft
 Eberich | Nordrhein-Westfalen
   Germany
   1991 August 03
   Wheat
  no specification
 Monxton | Hampshire
   England
   1991 August 04
< 14 m | < 46 ft
 Weyhill | Hampshire
   England
   1991 August 04
26 m | 85 ft
 Cheesefoot Head | Hampshire
   England
   1991 August 06
   Wheat 16 m | 52 ft
 Woodford | Northamptonshire
   England
   1991 August 07
   Wheat 115 m | 375 ft
 Yapton | West Sussex
   England
   1991 August 07
24 m | 78 ft
 Andover | Hampshire
   England
   1991 August 09
 Beckhampton | Wiltshire
   England
   1991 August 09
 Beckhampton | Wiltshire
   England
   1991 August 09
 Beckhampton | Wiltshire
   England
   1991 August 09
 Cheesefoot Head | Hampshire
   England
   1991 August 09
 Micheldever | Hampshire
   England
   1991 August 09
   Wheat 68 m | 223 ft
 Avebury | Wiltshire
   England
   1991 August 10
  addition from August 01
 Ickleton | Cambridgeshire
   England
   1991 August 11
   Wheat 69 m | 226 ft
 Bath | Avon
   England
   1991 August 13
 Guyhirn | Cambridgeshire
   England
   1991 August 14
 Ravensden | Bedfordshire
   England
   1991 August 14
 Beckhampton | Wiltshire
   England
   1991 mid August
  addition from August 09
 Clench Common | Wiltshire
   England
   1991 August 15
78 m | 255 ft
 Devil's Dyke | East Sussex
   England
   1991 August 15
 Guyhirn | Cambridgeshire
   England
   1991 August 15
  addition from August 14
 Cheesefoot Head | Hampshire
   England
   1991 August 16
   Wheat 26 m | 85 ft
 Froxfield | Berkshire
   England
   1991 August 16
85 m | 280 ft
 Patcham | East Sussex
   England
   1991 August 16
   Wheat
 Itchen Abbas | Hampshire
   England
   1991 August 17
 Clayton | West Sussex
   England
   1991 August 18
 Clayton | West Sussex
   England
   1991 August 18
21 m | 69 ft
 Froxfield | Berkshire
   England
   1991 August 18
   Wheat
 Froxfield | Berkshire
   England
   1991 August 19
   Wheat 25 m | 82 ft
 Froxfield | Berkshire
   England
   1991 August 20
   Wheat 45 m | 148 ft
 Froxfield | Berkshire
   England
   1991 August 20
 Waddon | Dorset
   England
   1991 August 20
 Lethbridge | Alberta
   Canada
   1991 August 21
 Alton Priors | Wiltshire
   England
   1991 August 22
 Blue Grass | Iowa
   United States
   1991 August 22
   Wheat 15 m | 50 ft
 Blue Grass | Iowa
   United States
   1991 August 22
 Okotoks | Alberta
   Canada
   1991 August 27
   Barley
 Granum | Alberta
   Canada
   1991 August 28
 Kanzaki | Saga
   Japan
   1991 August 29
 Coalhurst | Alberta
   Canada
   1991 August 31
   Wheat
 Coalhurst | Alberta
   Canada
   1991 August 31
   Wheat 58 m | 190 ft
 Coalhurst | Alberta
   Canada
   1991 August 31
 Cowdon | Hampshire
   England
   1991 August 31
3 m | 10 ft
 Lewes | East Sussex
   England
   1991 August 31
 Yapton | West Sussex
   England
   1991 August 31
   Wheat 9 m | 29 ft
 unknown | Chiba Prefecture
   Japan
   1991 August 31
 Okotoks | Alberta
   Canada
   1991 August
 Avebury Trusloe | Wiltshire
   England
   1991 August
 Chequers | Buckinghamshire
   England
   1991 August
 Guyhirn | Cambridgeshire
   England
   1991 August
 Langton Herring | Dorset
   England
   1991 August
 Marlborough | Wiltshire
   England
   1991 August
 Marlborough | Wiltshire
   England
   1991 August
 West Wickham | Cambridgeshire
   England
   1991 August
 Weymouth | Dorset
   England
   1991 August