condition mean min max 0 h after light 1.79936 1.54388 2.05484 4 h after light 1.67786 1.39285 1.96287 8 h after light 3.09532 2.92236 3.26828 4 h after dark 2.338925 1.89198 2.78587 8 h after dark 3.6851199999999995 3.28861 4.08163 12 h after dark 2.732335 2.2583 3.20637