condition	mean	min	max
0 h after light	18.605800000000002	18.2891	18.9225
4 h after light	18.19285	17.7624	18.6233
8 h after light	18.45495	18.1376	18.7723
4 h after dark	21.729	21.1593	22.2987
8 h after dark	16.962	16.1224	17.8016
12 h after dark	21.89065	20.0844	23.6969