condition	mean	min	max
0 h after light	4.675515	3.72986	5.62117
4 h after light	7.629695	6.44926	8.81013
8 h after light	25.33555	20.466	30.2051
4 h after dark	23.1475	19.8241	26.4709
8 h after dark	16.02055	15.401	16.6401
12 h after dark	6.06216	5.57732	6.547