condition	mean	min	max
0 h after light	37.2611	35.9515	38.5707
4 h after light	19.8366	19.5103	20.1629
8 h after light	31.0821	27.6545	34.5097
4 h after dark	39.9358	39.6845	40.1871
8 h after dark	34.49435	33.644	35.3447
12 h after dark	41.4014	40.8635	41.9393