condition mean min max 4 h after light 1310.8253025 1107.424364 1514.226241 8 h after light 1223.120177 1182.636673 1263.603681 12 h after light 1402.5624910000001 1066.271362 1738.85362 4 h after dark 1563.496087 1383.721656 1743.270518 8 h after dark 1731.521018 1543.502287 1919.539749 12 h after dark 1365.836653 1365.836653 1365.836653