condition	mean	min	max
0 h after light	39.063199999999995	38.4314	39.695
4 h after light	57.774249999999995	45.9664	69.5821
8 h after light	85.65915	84.3397	86.9786
4 h after dark	59.48715	49.5387	69.4356
8 h after dark	65.64585	64.4722	66.8195
12 h after dark	49.3641	46.7594	51.9688