condition	mean	min	max
4 h after light	39.869299999999996	39.8362	39.9024
8 h after light	40.9041	40.0724	41.7358
12 h after light	34.06895	33.0489	35.089
4 h after dark	17.9424	17.8884	17.9964
8 h after dark	13.71605	13.5202	13.9119
12 h after dark	29.001350000000002	27.7405	30.2622