condition	mean	min	max
4 h after light	15.967623333333332	8.86727	22.009
8 h after light	10.009993333333334	2.41698	16.0695
12 h after light	10.8551	7.2536	14.1501
4 h after dark	17.5589	14.3821	19.5882
8 h after dark	18.98356666666667	14.0571	22.535
12 h after dark	27.8493	25.2315	32.3749