condition mean min max 2 h after light 131.75533333333334 129.867 132.708 6 h after light 146.263 122.345 165.523 10 h after light 77.24613333333333 68.779 88.1703 2 h after dark 53.53076666666667 43.7824 65.3717 6 h after dark 22.592399999999998 19.4865 25.3359 10 h after dark 41.7407 37.2297 46.7123