condition	mean	min	max
4 h after light	4.227715	3.55187	4.90356
8 h after light	4.373115	4.30987	4.43636
12 h after light	5.598255	5.40632	5.79019
4 h after dark	6.390255	6.02321	6.7573
8 h after dark	5.462295	5.41945	5.50514
12 h after dark	5.47952	5.28661	5.67243