condition mean min max 4 h after light 67.723377 55.404376 80.042378 8 h after light 63.1460215 59.25428 67.037763 12 h after light 230.820168 127.462826 334.17751 4 h after dark 78.477889 62.822753 94.133025 8 h after dark 386.018796 255.587414 516.450178 12 h after dark 111.745653 111.745653 111.745653