condition	mean	min	max
0 h after light	10.065635	8.67057	11.4607
4 h after light	11.18726	9.73602	12.6385
8 h after light	38.10395	36.6529	39.555
4 h after dark	38.97515	32.2972	45.6531
8 h after dark	21.47985	17.2228	25.7369
12 h after dark	14.44035	13.4694	15.4113