Summer Migrant Arrival Dates 1990 - 2024
New earliests/latests are shown in red.
The list is sorted under the average arrival date in 2019. The '+' and '-' signs show change since 1990, where known.
| Species | Earliest | Latest | Average | 2021 2022 2023 2024 2025 |
| Sand Martin | 20/02/21 | 21/03/06 | 07-Mar -11 | 20-Feb, 03-Mar, 11-Mar, 06-Mar |
| Wheatear | 28/02/98 | 25/03/06 | 10-Mar -2 | 06-Mar, 11-Mar, 15-Mar, 08-Mar |
| Swallow | 28/02/19 | 28/03/98 | 17-Mar -10 | 18-Mar, 28-Mar, 16-Mar, 14-Mar |
| White Wagtail | 28/02/21 | 09/04/97 | 21-Mar -10 | 28-Feb, 23-Mar, 27-Mar, 25-Mar |
| House Martin | 04/03/97 | 07/04/07 | 23-Mar -8 | 19-Mar, 01-Apr, 09-Mar, 23-Mar |
| Willow Warbler | 13/03/11 | 01/04/07 | 23-Mar -5 | 23-Mar, 18-Mar, 18-Mar, 21-Mar |
| Little Ringed Plover | 25/02/21 | 30/04/94 | 25-Mar -21 | 25-Feb, 08-Mar, 12-Mar, 14-Mar |
| Ring Ouzel | 09/03/11 | 28/04/99 | 30-Mar 0 | 31-Mar, 23-Mar, 06-Apr, 05-Apr |
| Tree Pipit | 14/03/22 | 27/04/91 | 02-Apr -5 | 30-Mar, 14-Mar, 08-Apr, 31-Mar |
| Redstart | 17/03/11 | 21/04/90 | 03-Apr -7 | 30-Mar, 02-Apr, 03-Apr, 31-Mar |
| Garganey | 13/03/93 | 05/05/00 | 04-Apr -2 | 31-Mar, 15-Mar, 04-Apr, 09-Apr |
| Yellow Wagtail | 21/03/92 | 20/04/90 | 06-Apr 0 | 29-Mar, 11-Apr, 30-Mar, 25-Mar |
| Osprey | 18/03/24 | 19/05/94 | 06-Apr | 29-Mar, 21-Mar, 21-Mar, 18-Mar |
| Sedge Warbler | 30/03/07 | 18/04/98 | 08-Apr -7 | 31-Mar, 11-Apr, 07-Apr, 04-Apr |
| Whimbrel | 26/03/24 | 18/04/98 | 09-Apr -4 | 10-Apr, 11-Apr, 11-Apr, 26-Mar |
| Sandwich Tern | 18/02/12 | 29/05/95 | 10-Apr | 30-Mar, 07-Apr, 25-Mar, 06-Apr |
| Common Tern | 30/03/06 | 23/04/21 | 10-Apr -5 | 23-Apr, 11-Apr, 31-Mar, 05-Apr |
| Reed Warbler | 01/04/12 | 28/04/91 | 10-Apr -13 | 04-Apr, 09-Apr, 03-Apr, 06-Apr |
| Whitethroat | 26/03/19 | 24/04/90 | 10-Apr -6 | 09-Apr, 10-Apr, 08-Apr. 02-Apr |
| Pied Flycatcher | 30/03/02 | 19/05/07 | 11-Apr -5 | 01-Apr, 12-Apr, 04-Apr, 06-Apr |
| Grasshopper Warbler | 28/03/97 | 24/04/96 | 12-Apr -3 | 04-Apr, 10-Apr, 09-Apr, 05-Apr |
| Cuckoo | 05/04/16 | 20/04/97 | 13-Apr +1 | 14-Apr, 15-Apr, 20-Apr, 14-Apr |
| Arctic Tern | 29/03/15 | 26/04/95 | 15-Apr 0 | 25-Apr, 07-Apr, 09-Apr, 07-Apr |
| Garden Warbler | 29/03/90 | 28/04/91 | 15-Apr 0 | 11 Apr, 13-Apr, 16-Apr, 20-Apr |
| Hobby | 30/03/90 | 28/04/91 | 16-Apr. -13 | 15-Apr, 16-Apr, 09-Apr, 13-Apr |
| Lesser Whitethroat | 07/04/20 | 27/04/91 | 16-Apr. -6 | 19-Apr, 15-Apr, 09-Apr, 11-Apr |
| Swift | 08/04/01 | 27/04/90 | 17-Apr -5 | 21-Apr, 09-Apr, 10-Apr, 15-Apr |
| Whinchat | 12/04/22 | 28/04/90 | 19-Apr +2 | 15-Apr, 12-Apr, 20-Apr, 12-Apr |
| Wood Warbler | 08/04/98 | 02/05/08 | 20-Apr. -1 | 09-Apr, 26-Apr, 22-Apr, 15-Apr |
| Black Tern | 14/04/04 | 14/05/09 | 24-Apr +1 | None, 22-Apr, 27-Apr 22-Apr |
| Little Tern | 16/04/15 | 30/05/17 | 29-Apr | 21-May, 01-May, None, 22-Apr |
| Spotted Flycatcher | 20/04/16 | 17/05/09 | 30-Apr -2 | 25-Apr, 21-Apr, 26-Apr, 30-Apr |
| Quail | 04/05/23 | 29/06/91 | 29-May | 31-May, 07-May, 04-May, 08-May, |
