On October 15, 2015, the US Treasury reported in its Monthly Treasury Statement (and xls) for September that the federal deficit for FY 2015 ending September 30 was $439 billion. Here are the numbers, including total receipts, total outlays, and deficit compared with the numbers projected in the FY 2016 federal budget published in February 2015:
FY 2015 Outcomes
usfederalbudget.us now shows the new numbers for total FY 2015 outlays and receipts on its Estimate vs. Actual page.
The Monthly Treasury Statement includes ""Table 4: Receipts of the United States Government, September 2015 and Other Periods." This table of receipts by source is used for usgovernmentspending.com to post federal receipt actuals for FY 2015.
The Monthly Treasury Statement includes "Table 9. Summary of Receipts by Source, and Outlays by Function of the U.S. Government, September 2015 and Other Periods". This table of outlays by function makes it possible for usgovernmentspending.com to estimate actual outlays by "subfunction" for FY 2015 by factoring budgeted amounts by the difference between budgeted and actual "function" amounts where actual outlays by subfunction cannot be gleaned from the Monthly Treasury Statement.
Final detailed FY 2015 numbers will not appear until the FY 2017 federal budget is published in February 2016 with the actual outlays for FY 2015 in Historical Table 3.2--Outlays by Function and Subfunction.