condition	mean	min	max
4 h after light	3.15199	3.13973	3.16425
8 h after light	4.406795	4.22035	4.59324
12 h after light	4.78365	4.15319	5.41411
4 h after dark	5.93375	4.59817	7.26933
8 h after dark	3.428525	3.22847	3.62858
12 h after dark	3.264065	3.09414	3.43399