condition mean min max 4 h after light 1278.2766634999998 1143.499318 1413.054009 8 h after light 1261.185676 990.266679 1532.104673 12 h after light 1523.8680315 1185.147867 1862.588196 4 h after dark 914.205723 508.340396 1320.07105 8 h after dark 567.0215065 268.221802 865.821211 12 h after dark 767.906391 767.906391 767.906391