condition	mean	min	max
4 h after light	10.550805	9.78671	11.3149
8 h after light	7.5253049999999995	6.83721	8.2134
12 h after light	4.7023399999999995	4.32462	5.08006
4 h after dark	5.433843333333334	4.65738	5.83206
8 h after dark	6.705993333333334	5.83516	7.70145
12 h after dark	10.510366666666666	9.3966	11.6314