condition	mean	min	max
4 h after light	3.1990100000000004	2.56544	3.83258
8 h after light	2.97204	2.9375	3.00658
12 h after light	2.772335	2.59505	2.94962
4 h after dark	2.13504	1.84151	2.42857
8 h after dark	2.40198	2.37823	2.42573
12 h after dark	2.45416	2.33849	2.56983