condition	mean	min	max
0 h after light	22.2346	20.9027	23.5665
4 h after light	12.5638	11.9173	13.2103
8 h after light	25.9543	23.7831	28.1255
4 h after dark	26.1445	24.3687	27.9203
8 h after dark	20.3674	19.9854	20.7494
12 h after dark	18.66235	16.6895	20.6352