condition	mean	min	max
4 h after light	3.33661	2.5827	4.09052
8 h after light	8.131525	7.97712	8.28593
12 h after light	6.23644	4.91101	7.56187
4 h after dark	12.830333333333334	11.5397	14.9636
8 h after dark	3.504793333333333	3.06818	4.23158
12 h after dark	5.3294	4.31842	7.11492