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Colorado Annual Water-Data Reports

Colorado Water-resources data were published annually for use by engineers, scientists, managers, educators, and the general public. These links to archival products supplement direct access to current and historical water data provided by the National Water Information System (NWIS). Beginning with Water Year 2005, Colorado annual water-data reports were published online .

Water YearLink to Annual Data Report  
2014 - PresentSelect Site and Water-Year Summary   
2005 - 2013Select State or Site ID   
2004All CO   
2003Volume 1. Missouri River Basin, Arkansas River Basin, and Rio Grande BasinVolume 2. Colorado River Basin  
2002Volume 1. Missouri River Basin, Arkansas River Basin, and Rio Grande BasinVolume 2. Colorado River Basin  
2001Volume 1. Missouri River Basin, Arkansas River Basin, and Rio Grande BasinVolume 2. Colorado River Basin  
2000Volume 1. Missouri River Basin, Arkansas River Basin, and Rio Grande BasinVolume 2. Colorado River Basin  
1999Volume 1. Missouri River Basin, Arkansas River Basin, and Rio Grande BasinVolume 2. Colorado River Basin  
1998Volume 1. Missouri River Basin, Arkansas River Basin, and Rio Grande BasinVolume 2. Colorado River Basin  
1997Volume 1. Missouri River Basin, Arkansas River Basin, and Rio Grande BasinVolume 2. Colorado River Basin  
1996Volume 1. Missouri River Basin, Arkansas River Basin, and Rio Grande BasinVolume 2. Colorado River Basin  
1995Volume 1. Missouri River Basin, Arkansas River Basin, and Rio Grande BasinVolume 2. Colorado River Basin  
1994Volume 1. Missouri River Basin, Arkansas River Basin, and Rio Grande BasinVolume 2. Colorado River Basin  
1993Volume 1. Missouri River Basin, Arkansas River Basin, and Rio Grande BasinVolume 2. Colorado River Basin  
1992Volume 1. Missouri River Basin, Arkansas River Basin, and Rio Grande BasinVolume 2. Colorado River Basin  
1991Volume 1. Missouri River Basin, Arkansas River Basin, and Rio Grande BasinVolume 2. Colorado River Basin  
1990Volume 1. Missouri River Basin, Arkansas River Basin, and Rio Grande BasinVolume 2. Colorado River Basin  
1989Volume 1. Missouri River Basin, Arkansas River Basin, and Rio Grande BasinVolume 2. Colorado River Basin  
1988Volume 1. Missouri River Basin, Arkansas River Basin, and Rio Grande BasinVolume 2. Colorado River Basin  
1987Volume 1. Missouri River Basin, Arkansas River Basin, and Rio Grande BasinVolume 2. Colorado River Basin  
1986Volume 1. Missouri River Basin, Arkansas River Basin, and Rio Grande BasinVolume 2. Colorado River Basin  
1985Volume 1. Missouri River Basin, Arkansas River Basin, and Rio Grande BasinVolume 2. Colorado River Basin above Dolores RiverVolume 3. Dolores River Basin, Green River Basin, and San Juan River Basin 
1984Volume 1. Missouri River Basin, Arkansas River Basin, and Rio Grande BasinVolume 2. Colorado River Basin above Dolores RiverVolume 3. Dolores River Basin, Green River Basin, and San Juan River Basin 
1983Volume 1. Missouri River Basin, Arkansas River Basin, and Rio Grande BasinVolume 2. Colorado River Basin above Dolores RiverVolume 3. Dolores River Basin, Green River Basin, and San Juan River Basin 
1982Volume 1. Missouri River Basin, Arkansas River Basin, and Rio Grande BasinVolume 2. Colorado River Basin above Dolores RiverVolume 3. Dolores River Basin, Green River Basin, and San Juan River Basin 
1981Volume 1. Missouri River Basin, Arkansas River Basin, and Rio Grande BasinVolume 2. Colorado River Basin above Dolores RiverVolume 3. Dolores River Basin, Green River Basin, and San Juan River Basin 
1980Volume 1. Missouri River Basin, Arkansas River Basin, and Rio Grande BasinVolume 2. Colorado River Basin above Dolores RiverVolume 3. Dolores River Basin, Green River Basin, and San Juan River Basin 
1979Volume 1. Missouri River Basin, Arkansas River Basin, and Rio Grande BasinVolume 2. Colorado River Basin above Dolores RiverVolume 3. Dolores River Basin, Green River Basin, and San Juan River Basin 
1978Volume 1. Missouri River Basin, Arkansas River Basin, and Rio Grande BasinVolume 2. Colorado River Basin above Dolores RiverVolume 3. Dolores River Basin, Green River Basin, and San Juan River Basin 
1977Volume 1. Missouri River Basin, Arkansas River Basin, and Rio Grande BasinVolume 2. Colorado River Basin above Dolores RiverVolume 3. Dolores River Basin, Green River Basin, and San Juan River Basin 
1976Volume 1. Missouri River Basin, Arkansas River Basin, and Rio Grande BasinVolume 2. Colorado River Basin  
1975Volume 1. Missouri River Basin, Arkansas River Basin, and Rio Grande BasinVolume 2. Colorado River Basin  
1974Part 1. Surface Water RecordsPart 2. Water Quality Records  
1973Part 1. Surface Water RecordsPart 2. Water Quality Records  
1972Part 1. Surface Water RecordsPart 2. Water Quality Records  
1971Part 1. Surface Water RecordsPart 2. Water Quality Records  
1970Part 1. Surface Water RecordsPart 2. Water Quality Records  
1969Part 1. Surface Water RecordsPart 2. Water Quality Records  
1968Part 1. Surface Water RecordsPart 2. Water Quality Records  
1967Part 1. Surface Water RecordsPart 2. Water Quality Records  
1966Part 1. Surface Water RecordsPart 2. Water Quality Records  
1965Part 1. Surface Water RecordsPart 2. Water Quality Records  
1964Part 1. Surface Water RecordsPart 2. Water Quality Records  
1963All CO   
1962All CO   
1961All CO   
Water Supply Paper Compilation Reports
Prior to 1961, data were summarized in USGS Water Supply Paper compilation reports; however, individual water year Water Supply Papers are available for some years. The individual water year, Water Supply Papers contain more detailed information and daily mean discharge data for a given site and water year. The Water Supply Paper compilation reports refer to the specific, individual Water Supply Papers. Daily mean discharge data can also be retrieved directly from NWIS.
1951 - 1960Missouri River Basin blw Sioux City, IowaLower Mississippi River BasinWestern Gulf of Mexico BasinsColorado River Basin
1890 - 1950Missouri River Basin blw Sioux City, IowaLower Mississippi River BasinWestern Gulf of Mexico BasinsColorado River Basin
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