condition	mean	min	max
0 h after light	4.905485	4.50104	5.30993
4 h after light	6.154275	5.29283	7.01572
8 h after light	5.302085	5.08018	5.52399
4 h after dark	4.45066	4.18349	4.71783
8 h after dark	4.50167	4.42507	4.57827
12 h after dark	4.063155	4.04723	4.07908