condition	mean	min	max
4 h after light	46.25325	43.576	48.9305
8 h after light	27.72195	24.7717	30.6722
12 h after light	21.37225	21.01	21.7345
4 h after dark	24.9999	24.4132	25.5358
8 h after dark	29.9065	28.1003	32.2614
12 h after dark	43.64156666666667	42.5853	45.1174