condition	mean	min	max
0 h after light	56.55775	56.0456	57.0699
4 h after light	15.36545	15.2808	15.4501
8 h after light	5.006565	4.43721	5.57592
4 h after dark	31.04945	28.2035	33.8954
8 h after dark	63.8331	62.8002	64.866
12 h after dark	42.22505	39.3997	45.0504