condition	mean	min	max
0 h after light	9.71854	8.71478	10.7223
4 h after light	5.55608	5.50523	5.60693
8 h after light	5.013775	4.98369	5.04386
4 h after dark	8.68145	7.98744	9.37546
8 h after dark	7.920305	7.19322	8.64739
12 h after dark	8.15948	7.51016	8.8088