condition	mean	min	max
4 h after light	9.843160000000001	9.368883	10.317437
8 h after light	8.1911255	7.935505	8.446746
12 h after light	8.780051	8.124844	9.435258
4 h after dark	7.5980695	7.301738	7.894401
8 h after dark	8.7400055	8.264245	9.215766
12 h after dark	8.446746	8.446746	8.446746