condition mean min max 4 h after light 15.580770000000001 12.59592 19.030520000000003 8 h after light 12.860014333333334 8.458193 17.41232 12 h after light 13.988109333333334 8.521417999999999 17.79502 16 h after light 16.788743333333333 15.32153 18.603279999999998 4 h after dark 29.070919999999997 20.77294 35.20847 8 h after dark 25.165376666666667 22.36114 28.44769