condition mean min max 4 h after light 0.646331 0.388985 0.880605 8 h after light 0.693185 0.397737 0.934532 12 h after light 1.2103026666666667 0.806958 1.44981 4 h after dark 1.1329676666666666 0.405783 1.55094 8 h after dark 0.649416 0.459084 0.904925 12 h after dark 0.9577186666666666 0.822516 1.04191