condition mean min max 4 h after light 181.7598355 125.692625 237.827046 8 h after light 182.8376145 177.770518 187.904711 12 h after light 208.9023155 168.341805 249.462826 4 h after dark 349.5684475 226.217375 472.91952 8 h after dark 405.8303535 369.016443 442.644264 12 h after dark 345.534109 345.534109 345.534109