condition	mean	min	max
4 h after light	10.0073875	9.816115	10.19866
8 h after light	9.297329000000001	9.228393	9.366265
12 h after light	8.806724500000001	8.789315	8.824134
4 h after dark	8.947715500000001	8.93021	8.965221
8 h after dark	8.6470295	8.409807	8.884252
12 h after dark	9.538025	9.538025	9.538025