condition	mean	min	max
4 h after light	8.759808333333334	8.153245	9.109465
8 h after light	3.375956	2.2076130000000003	4.765448999999999
12 h after light	9.276702333333334	8.64202	10.41885
16 h after light	13.895430000000001	11.856630000000001	15.23669
4 h after dark	22.21177	16.96826	25.85237
8 h after dark	11.945171	8.685423	15.270529999999999