condition mean min max 3 h after light 36.66473333333333 24.9728 53.1355 6 h after light 87.33703333333334 55.369 138.246 9 h after light 66.8861 54.962 84.3415 12 h after light 41.378085 8.35024 60.3789 3 h after dark 74.07253333333334 70.2209 78.807 6 h after dark 31.4203 29.5695 34.5675 9 h after dark 16.569766666666666 12.5211 19.932 12 h after dark 6.24312 5.9329 6.55334