condition	mean	min	max
4 h after light	2.992425	2.84331	3.14154
8 h after light	2.0052499999999998	1.94254	2.06796
12 h after light	3.32208	3.26798	3.37618
4 h after dark	4.965450000000001	4.7601	5.1708
8 h after dark	6.1702650000000006	6.02844	6.31209
12 h after dark	4.916320000000001	4.70429	5.12835