condition mean min max 4 h after light 756.6254345000001 241.155134 1272.095735 8 h after light 1128.439941 734.757781 1522.122101 12 h after light 1823.3211039999999 1368.847441 2277.794767 4 h after dark 3902.0094875 3115.715516 4688.303459 8 h after dark 4244.888209500001 4105.501288 4384.275131 12 h after dark 2080.165126 2080.165126 2080.165126