condition	mean	min	max
4 h after light	9.208254499999999	8.978971	9.437538
8 h after light	8.863257	8.778251	8.948263
12 h after light	17.871706500000002	9.475329	26.268084
4 h after dark	8.9743915	7.847669	10.101114
8 h after dark	10.8464725	9.475329	12.217616
12 h after dark	10.347255	10.347255	10.347255