condition mean min max 3 h after light 43.77046666666667 42.0959 45.0446 6 h after light 49.52983333333333 40.5916 60.1185 9 h after light 64.4053 57.832 71.0814 12 h after light 70.38585 36.5564 85.5838 3 h after dark 46.83133333333333 45.8323 47.5663 6 h after dark 36.8281 35.9533 37.6511 9 h after dark 32.008833333333335 30.7444 34.3405 12 h after dark 25.384349999999998 24.4804 26.2883