condition	mean	min	max
0 h after light	8.00824	7.72849	8.28799
4 h after light	8.187114999999999	7.25062	9.12361
8 h after light	8.98677	8.85876	9.11478
4 h after dark	11.3083	10.9007	11.7159
8 h after dark	11.536200000000001	10.6965	12.3759
12 h after dark	10.02695	9.4458	10.6081