condition	mean	min	max
0 h after light	17.6328	16.3373	18.9283
4 h after light	4.736155	4.29746	5.17485
8 h after light	4.08453	3.62545	4.54361
4 h after dark	8.050245	4.91839	11.1821
8 h after dark	7.000355	6.55385	7.44686
12 h after dark	12.57976	9.24762	15.9119