condition mean min max 4 h after light 0.0417204 0.0113099 0.0721309 8 h after light 0.0725328 0.0448096 0.100256 12 h after light 0.07367865 0.0731058 0.0742515 4 h after dark 0.127605 0.123806 0.132676 8 h after dark 0.10050426666666666 0.0306038 0.139918 12 h after dark 0.13338553333333333 0.035984 0.272597