he Dodd-Frank Act of 2010 requires the Federal Reserve to publish data on discount-window transactions with approximately two years'delay, starting from the passage of the Act in July 2010. The availability of these data provides an opportunity, for policymakers and researchers alike, to get a more detailed perspective on the nature of lending in this important and traditional central bank credit facility. The Fed provides credit through the discount window using three di¤erent programs: primary credit, secondary credit, and seasonal credit. Primary credit and secondary credit are emergency credit programs. These programs constitute a backup source of short-term funding for eligible …nancial institutions. Seasonal credit is aimed at smaller institutions with a predictable (and demonstrable) seasonal pattern in their funding needs. Each loan must be secured by collateral from the borrowing institution. The primary-credit program is a standing facility in which depository institutions in good …nancial conditions (in the form of a high score on their examination rating) can access (mainly) overnight funding with "no questions asked" and at an interest rate higher than the target policy short-term rate. Those institutions not eligible for primary credit can receive secondary credit. Normally, secondary credit is o¤ered at a rate that is …fty basis points above the primary-credit rate. Furthermore, secondary-credit We would like to thank Chris Mast for helpful discussions and