condition mean min max 3 h after light 7.22961 7.0083 7.39499 6 h after light 5.5796133333333335 4.72835 6.55509 9 h after light 9.31999 8.43741 10.1231 12 h after light 9.132515 6.43415 10.9671 3 h after dark 3.1797366666666664 3.02501 3.28041 6 h after dark 3.98805 3.33437 5.1968 9 h after dark 5.367583333333333 4.04547 6.07997 12 h after dark 8.96003 7.64136 10.2787