condition	mean	min	max
4 h after light	8.08652	7.53012	8.64292
8 h after light	4.69375	4.3552	5.0323
12 h after light	4.802785	4.70367	4.9019
4 h after dark	4.8683499999999995	4.55797	5.17873
8 h after dark	5.683365	5.29917	6.06756
12 h after dark	8.177535	7.27025	9.08482