condition mean min max 2 h after light 48.139383333333335 33.8275 55.6806 6 h after light 43.41715 34.0117 57.6044 10 h after light 38.36541666666667 26.9533 56.5344 14 h after light 36.16505 25.4345 48.4036 18 h after light 40.08861666666667 26.9033 52.4415 2 h after dark 34.91195 28.3218 40.4297