condition	mean	min	max
4 h after light	2.412185	2.15337	2.671
8 h after light	2.070655	1.93219	2.20912
12 h after light	1.8125	1.75289	1.87211
4 h after dark	2.304465	2.02133	2.5876
8 h after dark	2.6660199999999996	2.48615	2.84589
12 h after dark	2.7365250000000003	2.71877	2.75428