condition	mean	min	max
4 h after light	2.404515	2.3095	2.49953
8 h after light	2.399435	2.158	2.64087
12 h after light	2.61429	2.09339	3.13519
4 h after dark	2.0671166666666667	1.88445	2.36116
8 h after dark	2.238253333333333	1.86448	2.75582
12 h after dark	2.22474	2.17781	2.31216