condition	mean	min	max
4 h after light	21.6993	20.8136	22.585
8 h after light	20.223	19.9727	20.4733
12 h after light	18.46965	16.0456	20.8937
4 h after dark	26.457866666666668	23.889	29.2864
8 h after dark	27.4156	24.8015	30.6114
12 h after dark	22.397366666666667	21.0612	23.5233