condition	mean	min	max
4 h after light	11.9435365	10.570585	13.316488
8 h after light	16.021101	14.752389	17.289813
12 h after light	15.198732499999998	14.157928	16.239537
4 h after dark	14.4969045	14.145945	14.847864
8 h after dark	12.0544485	10.380797	13.7281
12 h after dark	12.952121	12.952121	12.952121