condition mean min max 0 h after light 9.74037 7.85444 11.6263 2 h after light 6.6899 5.5114 7.8684 4 h after light 4.401165 3.99035 4.81198 8 h after light 5.05433 2.02789 8.08077 12 h after light 5.199675 4.48287 5.91648 2 h after dark 1.648445 0.0 3.29689 4 h after dark 4.77175 2.938 6.6055 8 h after dark 9.22915 8.51956 9.93874 12 h after dark 3.58787 3.14407 4.03167