Year	Index	Pleasant days	Longest pleasant spell	Temp
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
2018		37	10	19c
2017		25	8	18c
2016		17	3	18c
2015		20	4	16c

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