condition mean min max 2 h after light 51.3437 38.7411 57.8139 6 h after light 44.51335 34.6616 52.371 10 h after light 44.878550000000004 35.0838 54.6543 14 h after light 48.91348333333333 39.1817 56.9947 18 h after light 48.6098 39.5879 59.3644 2 h after dark 50.937083333333334 43.6304 56.7698