condition	mean	min	max
0 h after light	3.888275	3.80208	3.97447
4 h after light	2.056385	1.17905	2.93372
8 h after light	4.16193	3.10739	5.21647
4 h after dark	5.28707	5.19531	5.37883
8 h after dark	3.84107	3.61195	4.07019
12 h after dark	5.806604999999999	4.84469	6.76852