condition mean min max 0 h after light 0.340385 0.340082 0.340688 4 h after light 1.020859 0.924048 1.11767 8 h after light 0.3413205 0.336459 0.346182 4 h after dark 0.446218 0.445338 0.447098 8 h after dark 3.3644350000000003 3.12609 3.60278 12 h after dark 1.0090095 0.885939 1.13208