condition	mean	min	max
4 h after light	8.8491	8.559288	9.138912
8 h after light	8.7197405	8.485573	8.953908
12 h after light	9.242163	8.476749	10.007577
4 h after dark	8.534341	8.320613	8.748069
8 h after dark	9.335075499999999	8.815425	9.854726
12 h after dark	9.751768	9.751768	9.751768