condition mean min max 4 h after light 48.876678999999996 44.734412 53.018946 8 h after light 66.214698 65.697093 66.732303 12 h after light 58.160134 49.296941 67.023327 4 h after dark 42.836283 40.45387 45.218696 8 h after dark 45.807953999999995 42.318967 49.296941 12 h after dark 58.458521 58.458521 58.458521