condition mean min max 0 h after light 0.723966 0.572949 0.874983 4 h after light 0.6931555 0.657871 0.72844 8 h after light 1.218963 0.895906 1.54202 4 h after dark 1.0080545 0.845889 1.17022 8 h after dark 1.1088235 0.844917 1.37273 12 h after dark 0.7532525 0.744958 0.761547