condition	mean	min	max
4 h after light	5.728244999999999	5.51457	5.94192
8 h after light	4.30028	4.07383	4.52673
12 h after light	5.388725	5.04412	5.73333
4 h after dark	7.97597	7.02892	8.92302
8 h after dark	6.73029	6.37525	7.08533
12 h after dark	6.58242	5.75194	7.4129