condition mean min max 4 h after light 327.265633 289.539749 364.991517 8 h after light 253.720218 223.853218 283.587218 12 h after light 237.306544 231.216353 243.396735 4 h after dark 186.50581499999998 163.302396 209.709234 8 h after dark 186.3569675 166.712647 206.001288 12 h after dark 336.895153 336.895153 336.895153