condition	mean	min	max
4 h after light	20.228153499999998	19.546644	20.909663
8 h after light	18.440351	17.334058	19.546644
12 h after light	19.9944485	15.108753	24.880144
4 h after dark	18.1768675	16.807091	19.546644
8 h after dark	18.431952000000003	16.858356	20.005548
12 h after dark	25.092539	25.092539	25.092539