condition mean min max 1 h after light 8.045173719 8.020300564 8.070046873999999 3 h after light 5.918651322 5.282475018 6.32441559 5 h after light 7.153419698333333 6.967777513 7.464744616 7 h after light 7.990241888 6.971225342 9.516385029 9 h after light 7.999107868333333 7.547139574 8.853906122 11 h after light 7.980651318333333 6.649837217999999 8.992591652 13 h after light 8.368307867 8.192531751 8.599969405 15 h after light 8.275855408333333 7.998955747 8.536499383999999 1 h after dark 8.860203717 8.611868243 9.32309988 3 h after dark 9.891896524666667 8.18906238 11.57799121 5 h after dark 9.072511589666666 8.230723645 10.48282237 7 h after dark 10.425099557666668 8.873366041 12.57788139