condition	mean	min	max
3 h after light	19.0286	17.3189	21.302
6 h after light	19.5991	12.7532	23.9646
9 h after light	20.317766666666667	17.425	23.2921
12 h after light	25.16285	19.4189	34.2924
3 h after dark	25.2431	18.514	29.521
6 h after dark	22.227033333333335	20.4408	25.0588
9 h after dark	23.189533333333333	16.171	31.9801
12 h after dark	33.355199999999996	32.0239	34.6865