condition	mean	min	max
4 h after light	5.13391	4.9446	5.285880000000001
8 h after light	5.077946666666667	5.01925	5.1171
12 h after light	5.0261466666666665	4.99266	5.04624
4 h after dark	5.11594	4.98109	5.35541
8 h after dark	5.109853333333334	5.07524	5.17469
12 h after dark	5.10628	5.00263	5.185