| Republic of Ireland | Northern Ireland | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Season | Temperature* | Mean ± SD | Percentiles | Mean ± SD | Percentiles | ||||||
99th | 90th | 10th | 1st | 99th | 90th | 10th | 1st | ||||
All year | Mean | 9.7 ± 4.4 | 19.0 | 15.4 | 4.1 | 0.4 | 9.1 ± 4.4 | 18.6 | 15.2 | 3.4 | 0.0 |
Minimum | 6.3 ± 4.4 | 15.2 | 12.1 | 0.6 | −3.5 | 5.9 ± 4.5 | 15.0 | 11.9 | 0.0 | −3.9 | |
Maximum | 13.0 ± 4.8 | 24.1 | 19.4 | 7.0 | 3.1 | 12.4 ± 4.9 | 23.5 | 18.9 | 6.1 | 2.5 | |
Summer§ | Mean | 14.7 ± 2.3 | 20.5 | 17.8 | 11.9 | 9.4 | 14.4 ± 2.4 | 20.1 | 17.5 | 11.4 | 8.9 |
Minimum | 10.9 ± 2.6 | 16.5 | 14.0 | 7.6 | 4.3 | 10.6 ± 2.7 | 16.2 | 13.9 | 7.1 | 3.6 | |
Maximum | 18.6 ± 2.8 | 26.4 | 22.3 | 15.2 | 12.6 | 18.1 ± 2.8 | 25.7 | 21.9 | 14.7 | 12.0 | |
Winter Months†| Mean | 5.8 ± 2.9 | 11.8 | 9.5 | 2.0 | −1.1 | 4.9 ± 2.7 | 10.7 | 8.3 | 1.5 | −1.4 |
Minimum | 3.1 ± 3.3 | 10.3 | 7.4 | −1.2 | −4.9 | 2.2 ± 3.2 | 9.5 | 6.4 | −1.8 | −5.6 | |
Maximum | 8.6 ± 2.8 | 13.9 | 12.0 | 4.8 | 1.5 | 7.6 ± 2.7 | 13.2 | 11.1 | 4.0 | 1.0 | |
Cold Period‡ | Mean | 7.0 ± 3.2 | 14.4 | 11.1 | 2.9 | −0.4 | 6.3 ± 3.2 | 14.0 | 10.5 | 2.3 | −0.8 |
Minimum | 4.1 ± 3.7 | 16.0 | 8.8 | −0.5 | −4.4 | 3.4 ± 3.6 | 12.0 | 8.3 | −1.0 | −4.9 | |
Maximum | 10.0 ± 3.2 | 17.4 | 14.0 | 5.7 | 2.2 | 9.1 ± 3.3 | 16.7 | 13.2 | 4.9 | 1.7 |