condition	mean	min	max
0 h after light	20.96665	20.8374	21.0959
4 h after light	12.983025000000001	9.28345	16.6826
8 h after light	20.055349999999997	19.6619	20.4488
4 h after dark	30.3845	23.8806	36.8884
8 h after dark	18.55265	17.1336	19.9717
12 h after dark	15.07945	13.1128	17.0461