condition	mean	min	max
4 h after light	1.892395	1.66509	2.1197
8 h after light	3.3928700000000003	3.38165	3.40409
12 h after light	4.490465	4.19492	4.78601
4 h after dark	6.872785	6.60887	7.1367
8 h after dark	6.460395	6.29844	6.62235
12 h after dark	4.880305	4.85612	4.90449