condition	mean	min	max
4 h after light	3.453055	2.60913	4.29698
8 h after light	4.529005	3.75795	5.30006
12 h after light	10.584135	9.42797	11.7403
4 h after dark	11.7036	11.6479	11.7593
8 h after dark	9.11837	9.08951	9.14723
12 h after dark	5.53162	4.98056	6.08268