condition mean min max 3 h after light 0.64509875 0.233651 1.09214 7 h after light 0.8492710833333333 0.338218 1.37096 11 h after light 0.889615 0.498369 1.27573 2 h after dark 0.9225080833333333 0.316329 1.60498 6 h after dark 0.7865711666666667 0.225041 1.40312 10 h after dark 0.8374969166666667 0.13748 1.65016