condition	mean	min	max
4 h after light	54.213049999999996	46.1792	62.2469
8 h after light	57.704499999999996	55.55	59.859
12 h after light	53.3161	47.3409	59.2913
4 h after dark	79.0172	74.01	84.0244
8 h after dark	86.8555	86.4714	87.2396
12 h after dark	68.7525	66.0288	71.4762