condition mean min max 4 h after light 35.976868499999995 29.395978 42.557759 8 h after light 49.152992499999996 40.729779 57.576206 12 h after light 43.2150225 41.432882 44.997163 4 h after dark 45.278403999999995 37.802929 52.753879 8 h after dark 48.3510355 31.833585 64.868486 12 h after dark 33.474342 33.474342 33.474342