condition	mean	min	max
4 h after light	17.2985255	8.767214	25.829837
8 h after light	9.8143875	9.710421	9.918354
12 h after light	11.3416865	8.749896	13.933477
4 h after dark	8.5465135	7.024931	10.068096
8 h after dark	9.771359	9.474622	10.068096
12 h after dark	22.775628	22.775628	22.775628