condition	mean	min	max
0 h after light	18.6229	18.6063	18.6395
4 h after light	5.658065	5.32372	5.99241
8 h after light	2.9655699999999996	2.80075	3.13039
4 h after dark	2.72358	2.27205	3.17511
8 h after dark	6.24268	5.99539	6.48997
12 h after dark	12.23009	7.45878	17.0014