condition mean min max 4 h after light 22.325868 17.655918 26.995818 8 h after light 27.755775 24.582426 30.929124 12 h after light 31.6170325 29.874165 33.3599 4 h after dark 42.9005825 41.594459 44.206706 8 h after dark 47.6154035 46.033855 49.196952 12 h after dark 23.838039 23.838039 23.838039