condition	mean	min	max
4 h after light	17.15415	13.9036	20.4047
8 h after light	19.8108	19.7938	19.8278
12 h after light	11.38497	9.83134	12.9386
4 h after dark	12.767700000000001	10.736	14.7994
8 h after dark	2.49234	2.18294	2.80174
12 h after dark	4.283915	3.27875	5.28908