condition	mean	min	max
0 h after light	34.05305	28.9453	39.1608
4 h after light	23.76425	23.0787	24.4498
8 h after light	20.1542	19.6529	20.6555
4 h after dark	60.8142	50.0191	71.6093
8 h after dark	51.60515	50.8526	52.3577
12 h after dark	36.5328	36.0435	37.0221