condition mean min max 0 h after light 2.06399 1.36399 2.76399 2 h after light 0.9264345 0.321509 1.53136 4 h after light 1.81129 1.25837 2.36421 8 h after light 1.859815 1.32578 2.39385 12 h after light 6.179855 5.39912 6.96059 2 h after dark 7.2898 6.85603 7.72357 4 h after dark 4.67152 4.56186 4.78118 8 h after dark 4.232065 3.06834 5.39579 12 h after dark 2.319215 1.81211 2.82632