condition	mean	min	max
0 h after light	8.827835	8.70235	8.95332
4 h after light	4.84141	4.3612	5.32162
8 h after light	4.5908	4.01447	5.16713
4 h after dark	16.1597	12.6665	19.6529
8 h after dark	28.20445	26.8211	29.5878
12 h after dark	10.36129	9.63318	11.0894