condition	mean	min	max
0 h after light	540.1785	536.436	543.921
4 h after light	607.6605	598.311	617.01
8 h after light	593.5455	567.973	619.118
4 h after dark	941.5795	888.126	995.033
8 h after dark	664.946	649.0	680.892
12 h after dark	593.447	538.528	648.366