condition	mean	min	max
0 h after light	3.4842750000000002	3.48117	3.48738
4 h after light	4.50434	4.15482	4.85386
8 h after light	3.86424	3.62535	4.10313
4 h after dark	5.410075	4.85851	5.96164
8 h after dark	6.341535	6.18694	6.49613
12 h after dark	4.3455200000000005	4.11671	4.57433