condition	mean	min	max
4 h after light	4.739890000000001	4.53952	4.94026
8 h after light	4.90673	4.83047	4.98299
12 h after light	7.121790000000001	6.5349	7.70868
4 h after dark	7.470915	6.91225	8.02958
8 h after dark	7.0027	6.64316	7.36224
12 h after dark	7.378959999999999	7.25988	7.49804