condition	mean	min	max
4 h after light	3.400355666666667	3.2432950000000003	3.5540059999999998
8 h after light	2.320251333333333	1.610375	2.707846
12 h after light	1.5744943333333334	1.38735	1.732071
16 h after light	3.2355926666666663	2.683661	3.8262709999999998
4 h after dark	2.7359333333333336	2.4259180000000002	3.178546
8 h after dark	1.6931059999999998	1.662003	1.7359939999999998