condition	mean	min	max
0 h after light	5.326645	4.79868	5.85461
4 h after light	9.802575000000001	9.70799	9.89716
8 h after light	7.4212050000000005	6.64791	8.1945
4 h after dark	5.990925000000001	5.74997	6.23188
8 h after dark	7.49921	7.07009	7.92833
12 h after dark	7.08871	6.37826	7.79916