condition	mean	min	max
4 h after light	4.930223333333333	4.8373800000000005	5.00497
8 h after light	5.0133	4.80854	5.25558
12 h after light	4.95597	4.84783	5.15624
4 h after dark	4.902693333333334	4.77765	5.01297
8 h after dark	4.8145766666666665	4.63099	4.97426
12 h after dark	4.92971	4.85452	5.047