condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.0191584 0.0 0.0574752 8 h after dark 0.042059000000000006 0.0 0.126177 12 h after dark 0.05561833333333333 0.0 0.133188