condition	mean	min	max
4 h after light	4.0340533333333335	3.94697	4.170780000000001
8 h after light	4.04868	3.95465	4.2144699999999995
12 h after light	3.9769	3.95758	4.011480000000001
4 h after dark	4.00679	3.98716	4.02379
8 h after dark	3.9913433333333335	3.9216800000000003	4.0326
12 h after dark	3.8943933333333334	3.8225599999999997	3.99287