condition	mean	min	max
0 h after light	7.83409	6.60394	9.06424
4 h after light	2.6744000000000003	2.09904	3.24976
8 h after light	2.492855	1.63049	3.35522
4 h after dark	4.26159	2.02324	6.49994
8 h after dark	3.259915	3.24624	3.27359
12 h after dark	8.152965	6.84241	9.46352