condition mean min max 4 h after light 920.5620905000001 747.155134 1093.969047 8 h after light 904.2456665 833.603068 974.888265 12 h after light 709.2670255 591.462826 827.071225 4 h after dark 692.86151 634.247225 751.475795 8 h after dark 504.0628445 463.015222 545.110467 12 h after dark 570.087497 570.087497 570.087497