condition	mean	min	max
4 h after light	9.259255	8.6297	9.88881
8 h after light	5.0866299999999995	4.51852	5.65474
12 h after light	4.19396	3.95382	4.4341
4 h after dark	4.86899	4.09953	6.37831
8 h after dark	6.51304	5.79307	7.25195
12 h after dark	7.16424	6.32849	8.19056