condition	mean	min	max
4 h after light	2.1122300000000003	1.76818	2.45628
8 h after light	2.870285	2.30238	3.43819
12 h after light	2.8529150000000003	1.85664	3.84919
4 h after dark	2.77478	2.44682	3.10274
8 h after dark	25.9657	20.3575	31.5739
12 h after dark	16.10405	10.8645	21.3436