condition	mean	min	max
4 h after light	4.15505	3.3604	4.9497
8 h after light	3.410505	3.18013	3.64088
12 h after light	3.8146050000000002	3.50477	4.12444
4 h after dark	4.19958	3.99925	4.39991
8 h after dark	3.8680700000000003	2.96574	4.7704
12 h after dark	4.349375	4.11287	4.58588