condition	mean	min	max
0 h after light	5.1903500000000005	4.88145	5.49925
4 h after light	4.392715000000001	4.25569	4.52974
8 h after light	12.751999999999999	12.0235	13.4805
4 h after dark	9.862625000000001	9.06005	10.6652
8 h after dark	6.373305	5.94567	6.80094
12 h after dark	4.1240950000000005	4.032	4.21619