condition	mean	min	max
4 h after light	3.827655	3.78742	3.86789
8 h after light	4.046245	3.94851	4.14398
12 h after light	5.094105	5.07674	5.11147
4 h after dark	6.326775	6.0951	6.55845
8 h after dark	5.137455	4.85273	5.42218
12 h after dark	4.628425	4.08259	5.17426