condition	mean	min	max
4 h after light	40.124272	38.810503	41.438041
8 h after light	23.673898	23.598862	23.748934
12 h after light	20.5761775	20.362019	20.790336
4 h after dark	19.0107955	16.75067	21.270921
8 h after dark	20.325753499999998	18.391854	22.259653
12 h after dark	67.765103	67.765103	67.765103