condition	mean	min	max
4 h after light	10.40878	8.70406	12.1135
8 h after light	18.248350000000002	17.6244	18.8723
12 h after light	22.71225	19.3993	26.0252
4 h after dark	17.052566666666667	16.7185	17.4213
8 h after dark	13.229966666666668	12.993	13.5097
12 h after dark	10.017553333333332	9.37582	10.8379