condition mean min max 3 h after light 0.13077533333333333 0.0 0.392326 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.09829533333333333 0.0 0.294886 6 h after dark 0.0 0.0 0.0 9 h after dark 0.161734 0.0 0.268563 12 h after dark 0.2920375 0.0 0.584075