condition mean min max 3 h after light 41.8756 31.4117 51.75 6 h after light 33.03563333333334 23.9002 42.05 9 h after light 36.9524 29.1927 47.6827 12 h after light 53.917566666666666 47.5934 60.5521 3 h after dark 64.9785 59.6977 70.9576 6 h after dark 34.3398 24.3417 39.5231 9 h after dark 29.9858 23.957 37.9071 12 h after dark 25.448733333333333 20.463 31.0009