condition	mean	min	max
4 h after light	4.520265	4.24205	4.79848
8 h after light	4.604705	4.39924	4.81017
12 h after light	4.740945	4.55434	4.92755
4 h after dark	7.571019999999999	6.99717	8.14487
8 h after dark	6.406495	6.39822	6.41477
12 h after dark	6.0902899999999995	6.08066	6.09992