condition	mean	min	max
4 h after light	55.2951	52.6209	57.9693
8 h after light	25.3363	23.1311	27.5415
12 h after light	8.93629	8.10098	9.7716
4 h after dark	2.12893	1.99946	2.2584
8 h after dark	4.294615	3.67128	4.91795
12 h after dark	21.57835	20.4675	22.6892