condition mean min max 4 h after light 233.8214865 147.084209 320.558764 8 h after light 177.80375850000001 164.760076 190.847441 12 h after light 186.486359 143.5929 229.379818 4 h after dark 569.6015515 192.894123 946.30898 8 h after dark 883.6981525 260.990214 1506.406091 12 h after dark 143.173941 143.173941 143.173941