condition	mean	min	max
0 h after light	12.11355	11.8984	12.3287
4 h after light	7.0103349999999995	6.85224	7.16843
8 h after light	6.87111	6.72292	7.0193
4 h after dark	12.9472	12.1721	13.7223
8 h after dark	12.02535	11.7758	12.2749
12 h after dark	10.43685	10.1358	10.7379