condition	mean	min	max
4 h after light	3.538265	3.4896	3.58693
8 h after light	2.744345	2.6946	2.79409
12 h after light	2.80361	2.29501	3.31221
4 h after dark	6.364803333333334	5.23005	7.74167
8 h after dark	5.137193333333333	4.50645	5.64087
12 h after dark	4.90382	4.44886	5.37285