condition	mean	min	max
4 h after light	20.9546685	18.795849	23.113488
8 h after light	18.795849	18.795849	18.795849
12 h after light	16.342244	15.134766	17.549722
4 h after dark	18.6938635	17.717538	19.670189
8 h after dark	20.992932000000003	17.635691	24.350173
12 h after dark	18.795849	18.795849	18.795849