condition	mean	min	max
4 h after light	4.26938	4.165369999999999	4.4017599999999995
8 h after light	4.311823333333334	4.195180000000001	4.43024
12 h after light	4.371943333333333	4.27175	4.46457
4 h after dark	4.394063333333333	4.25199	4.56798
8 h after dark	4.332463333333333	4.30357	4.35424
12 h after dark	4.36001	4.2721599999999995	4.46474