condition	mean	min	max
4 h after light	54.5323	51.5099	57.5547
8 h after light	25.7369	24.6483	26.8255
12 h after light	19.201999999999998	18.5476	19.8564
4 h after dark	28.5543	26.7905	30.3181
8 h after dark	54.6627	52.8169	56.5085
12 h after dark	65.06515	63.9727	66.1576