condition mean min max 4 h after light 402.371579 386.311996 418.431162 8 h after light 401.388936 400.19648 402.581392 12 h after light 397.030807 371.633804 422.42781 4 h after dark 411.81066899999996 350.76944 472.851898 8 h after dark 383.8485405 361.311178 406.385903 12 h after dark 394.132067 394.132067 394.132067