condition mean min max 4 h after light 10.4193325 9.566769 11.271896 8 h after light 11.342101 10.805063 11.879139 12 h after light 10.6689325 10.532802 10.805063 4 h after dark 10.7371145 10.669166 10.805063 8 h after dark 10.936370499999999 10.695349 11.177392 12 h after dark 10.695349 10.695349 10.695349