Year	Index	Pleasant days	Longest pleasant spell	Temp
2026		39	10	20c
2025		29	6	20c
2024		19	3	17c
2023		18	4	17c
2022		42	11	18c
2021		28	8	18c
2020		23	4	17c
2019		34	7	18c

The above table data covers the summer months June to August each year.