condition	mean	min	max
3 h after light	8.716431666666667	2.81414	18.8979
7 h after light	9.829849166666667	5.18772	18.6297
11 h after light	9.812194166666666	3.51727	20.1444
2 h after dark	10.46676	3.85457	19.4989
6 h after dark	10.43353	4.13583	22.2344
10 h after dark	9.34123	3.35868	25.6362