condition mean min max 2 h after light 12.398966666666666 11.7203 13.1848 6 h after light 11.85 11.5306 12.3023 10 h after light 11.846033333333333 10.4559 12.5964 2 h after dark 13.9856 13.8065 14.3373 6 h after dark 14.1064 13.5556 14.7789 10 h after dark 12.699 12.2238 13.569