condition mean min max 4 h after light 42.443731 35.95034 48.937122 8 h after light 44.3832985 42.447318 46.319279 12 h after light 39.477838500000004 38.550198 40.405479 4 h after dark 70.05055 50.460583 89.640517 8 h after dark 101.980424 58.498022 145.462826 12 h after dark 34.962262 34.962262 34.962262