condition	mean	min	max
4 h after light	4.376023333333333	4.36195	4.3861300000000005
8 h after light	4.41863	4.3547	4.46882
12 h after light	4.398923333333333	4.36201	4.46472
4 h after dark	4.442586666666667	4.40019	4.47184
8 h after dark	4.462133333333334	4.3750800000000005	4.545380000000001
12 h after dark	4.36995	4.3267	4.41852