condition mean min max 3 h after light 7.324873333333333 1.57276 17.955 6 h after light 17.563853333333334 1.17636 49.9762 9 h after light 27.620033333333332 13.3456 43.6651 12 h after light 242.82697499999998 11.3169 519.021 3 h after dark 2068.82 1308.06 2612.6 6 h after dark 1171.856 721.018 1525.32 9 h after dark 462.69933333333336 246.475 795.801 12 h after dark 17.61637 7.07654 28.1562