condition mean min max 4 h after light 107.6983605 94.050749 121.345972 8 h after light 117.6139695 109.078211 126.149728 12 h after light 123.156678 119.0737 127.239656 4 h after dark 140.4790375 126.572172 154.385903 8 h after dark 168.314094 151.782716 184.845472 12 h after dark 134.70228 134.70228 134.70228