condition	mean	min	max
4 h after light	23.8655	22.2667	25.4643
8 h after light	19.7986	18.9284	20.6688
12 h after light	21.6052	19.9037	23.3067
4 h after dark	23.1368	19.502	25.8584
8 h after dark	22.7542	20.6809	24.6013
12 h after dark	20.747666666666667	19.4447	22.4831