condition	mean	min	max
4 h after light	5350.135	3747.825	7601.48
8 h after light	5244.14	3836.84	7072.893333
12 h after light	6623.601112	2950.873333	11175.63667
1.5 h after dark	4127.969999666667	1817.583333	6718.763333
5.5 h after dark	3162.362222	2149.35	3775.423333
9.5 h after dark	4222.52	2921.383333	5821.9