condition	mean	min	max
4 h after light	21.1402	16.6311	25.6493
8 h after light	5.84194	5.51128	6.1726
12 h after light	5.13328	3.26676	6.9998
4 h after dark	2.5449	2.41603	2.67377
8 h after dark	5.097775	4.58212	5.61343
12 h after dark	7.17389	6.50166	7.84612