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Colorado Historical Snowpack Percentages by Watershed

Comments on the data tables below:

  • All values below use medians calculated with the most recent 1981 to 2010 normals period.
  • Each year and month frequently varies slightly as to the exact sites that are complied to provide the basin-wide percent of median.
  • A minimum of 5 observations were required in each of the basins for each value below to provide a level of statistical significance.
  • All percent of median values above 500% have been removed.

Arkansas Basin - Percent of Median Snowpack

  January February March April May June
1950   82% 88% 95% 72%  
1951   124% 120% 123% 125%  
1952   217% 194% 181% 157%  
1953   108% 98% 98% 96%  
1954   94% 78% 82% 27%  
1955   68% 88% 78% 56%  
1956   125% 129% 99% 99%  
1957   173% 166% 145% 175%  
1958     113% 124% 122%  
1959     99% 103% 98%  
1960     103% 112%    
1961   83% 88% 101%    
1962   170% 179% 149% 121%  
1963       85% 63%  
1964       105% 113%  
1965     142% 164% 167%  
1966     81%   54%  
1967   104% 95%   59%  
1968   88% 103% 99% 125%  
1969   108% 101% 99% 69%  
1970   131% 114% 116% 142%  
1971   88% 94% 88% 91%  
1972   115% 113% 92% 83%  
1973   128% 106% 123% 181%  
1974   141% 129% 119% 114%  
1975   121% 139% 152% 171%  
1976   88% 90% 97% 75%  
1977   48% 49% 54% 44%  
1978   123% 114% 112% 111%  
1979   173% 145% 151% 123%  
1980   131% 130% 133% 185%  
1981   38% 37% 69% 12%  
1982 120% 124% 121% 123% 110% 169%
1983 79% 76% 84% 121% 166% 368%
1984 234% 182% 163% 159% 201% 214%
1985 129% 113% 103% 115% 110% 103%
1986 104% 91% 112% 98% 104% 52%
1987 102% 124% 120% 134% 123% 126%
1988 97% 108% 102% 91% 76% 121%
1989 120% 102% 112% 91% 48% 125%
1990 87% 73% 72% 72% 89% 137%
1991 93% 87% 77% 99% 106% 129%
1992 119% 102% 96% 102% 66% 79%
1993 115% 114% 136% 135% 154% 189%
1994 99% 90% 96% 97% 112% 63%
1995 93% 91% 100% 123% 171%  
1996 76% 114% 118% 121% 118% 154%
1997 152% 161% 151% 117% 153% 236%
1998 127% 119% 104% 103% 123% 78%
1999 70% 94% 81% 69% 105% 153%
2000 54% 74% 72% 97% 81% 43%
2001 84% 77% 83% 97% 83% 78%
2002 58% 60% 62% 52% 22% 0%
2003 80% 74% 88% 110% 102% 66%
2004 72% 81% 91% 63% 103% 41%
2005 111% 127% 128% 128% 127% 59%
2006 107% 102% 84% 87% 65% 92%
2007 138% 121% 110% 89% 97% 137%
2008 146% 162% 160% 154% 138% 232%
2009 142% 129% 108% 96% 100% 92%
2010 95% 97% 102% 121% 100% 58%
2011 103% 103% 107% 103% 113% 239%
2012 110% 92% 93% 58% 24% 6%
2013 58% 61% 71% 73% 77% 86%
2014 105% 108% 108% 112% 99% 132%
2015 114% 94% 101% 86% 89% 282%
2016 124% 111% 102% 92% 110% 206%

Colorado Basin - Percent of Median Snowpack

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    

  January February March April May June
1938   99% 90% 107% 111%  
1939   134% 120% 116% 91%  
1940   78% 91% 92% 79%  
1941   78% 82% 97% 128%  
1942   93% 98% 109% 125%  
1943   121% 111% 116% 61%  
1944   62% 61% 83% 111%  
1945   66% 90% 100% 125%  
1946   107% 92% 91% 49%  
1947   99% 103% 125% 141%  
1948     104% 119% 118%  
1949     116% 127% 97%  
1950   86% 91% 112% 101%  
1951   121% 124% 127% 133%  
1952   186% 160% 168% 152%  
1953   98% 99% 97% 101%  
1954   82% 69% 86% 37%  
1955   79% 79% 95% 47%  
1956   151% 146% 125% 125%  
1957   134% 125% 143% 182%  
1958   101% 104% 117% 136%  
1959   90% 106% 117% 115%  
1960   80% 89% 108% 79%  
1961   53% 54% 73% 104%  
1962   145% 139% 132% 105%  
1963   54% 72% 75% 41%  
1964   59% 64% 87% 102%  
1965   132% 126% 149% 146%  
1966   82% 74% 60% 50%  
1967   100% 107% 94% 94%  
1968   101% 104% 102% 124%  
1969   128% 112% 105% 72%  
1970   144% 129% 138% 163%  
1971   135% 129% 134% 122%  
1972   112% 106% 100% 93%  
1973   109% 92% 94% 131%  
1974   130% 116% 119% 138%  
1975   110% 106% 119% 123%  
1976   92% 96% 97% 86%  
1977   36% 41% 55% 38%  
1978   150% 136% 140% 126%  
1979   138% 120% 131% 131%  
1980 102% 132% 137% 140% 139%  
1981 52% 42% 43% 58% 31% 67%
1982 135% 148% 122% 122% 128% 368%
1983 99% 93% 92% 119% 147%  
1984 216% 171% 141% 142% 172% 292%
1985 128% 116% 103% 106% 108% 129%
1986 146% 120% 133% 117% 130% 143%
1987 94% 89% 83% 86% 58% 65%
1988 89% 109% 103% 106% 99% 126%
1989 107% 97% 104% 95% 70% 63%
1990 78% 78% 76% 86% 82% 139%
1991 87% 82% 75% 97% 118% 140%
1992 102% 89% 84% 94% 70% 30%
1993 106% 110% 133% 132% 164% 283%
1994 101% 94% 99% 93% 93% 47%
1995 86% 88% 103% 109% 143%  
1996 108% 148% 149% 142% 155% 207%
1997 170% 177% 149% 126% 154% 294%
1998 85% 99% 98% 94% 107% 87%
1999 66% 97% 94% 78% 98% 187%
2000 56% 88% 102% 105% 92% 22%
2001 101% 89% 91% 92% 84% 40%
2002 76% 77% 74% 71% 30% 0%
2003 101% 91% 100% 111% 120% 94%
2004 98% 93% 89% 69% 63% 38%
2005 100% 109% 101% 103% 99% 117%
2006 149% 141% 123% 120% 93% 53%
2007 107% 100% 101% 88% 80% 75%
2008 111% 131% 135% 132% 141% 284%
2009 131% 134% 121% 113% 114% 72%
2010 87% 79% 83% 81% 83% 119%
2011 156% 147% 136% 141% 184%  
2012 67% 77% 82% 54% 24% 2%
2013 72% 69% 71% 79% 101% 119%
2014 101% 121% 129% 130% 122% 223%
2015 114% 95% 93% 77% 68% 223%
2016 112% 113% 99% 107% 112% 204%

Gunnison Basin -  Percent of Median Snowpack

  January February March April May June
1941   104% 106% 119% 154%  
1942   87% 100% 117% 149%  
1943   105% 108% 117% 40%  
1944   72% 72% 98% 152%  
1945   76% 93% 110% 142%  
1946   83%   74% 34%  
1947   72%   105% 128%  
1948   86% 104% 123% 134%  
1949   122% 118% 131% 91%  
1950   80% 89% 94% 55%  
1951   107% 111% 100% 94%  
1952   193% 179% 180% 174%  
1953   93% 89% 92% 103%  
1954   81% 68% 76% 18%  
1955   72% 91% 88% 51%  
1956   130% 131% 105% 86%  
1957   165% 157% 154% 199%  
1958   114% 125% 135% 162%  
1959   70% 97% 97% 99%  
1960   68% 98% 113% 85%  
1961   74% 76% 96% 130%  
1962   141% 147% 140% 126%  
1963   56% 82% 85% 39%  
1964   72% 71% 95% 139%  
1965   145% 142% 153% 188%  
1966   97% 87% 65% 50%  
1967   110% 103% 82% 55%  
1968   89% 104% 107% 149%  
1969   131% 125% 121% 80%  
1970   137% 119% 122% 154%  
1971   102% 100% 100% 82%  
1972   114% 96% 87% 62%  
1973   126% 113% 115% 169%  
1974   140% 124% 113% 136%  
1975   123% 131% 147% 195%  
1976   89% 102% 99% 92%  
1977   36% 38% 45% 21%  
1978   144% 137% 144% 152%  
1979   181% 158% 147% 169%  
1980   121% 137% 147% 161%  
1981   40% 41% 59% 21%  
1982 134% 138% 124% 136% 140% 303%
1983 117% 86% 94% 120% 160%  
1984 222% 177% 157% 156% 203% 240%
1985 148% 124% 114% 127% 124% 233%
1986 151% 107% 126% 112% 111% 213%
1987 117% 107% 112% 118% 93% 185%
1988 84% 102% 91% 87% 76% 104%
1989 106% 101% 110% 97% 51% 24%
1990 46% 52% 58% 64% 72% 100%
1991 91% 82% 74% 100% 124% 101%
1992 106% 87% 84% 101% 56% 50%
1993 116% 132% 162% 147% 187% 362%
1994 86% 75% 92% 85% 104% 90%
1995 112% 111% 118% 132% 184%  
1996 65% 121% 129% 124% 130% 105%
1997 178% 193% 165% 131% 171% 275%
1998 86% 95% 95% 99% 136% 142%
1999 73% 91% 87% 69% 101% 218%
2000 34% 65% 80% 98% 67% 0%
2001 85% 81% 87% 89% 83% 34%
2002 83% 69% 64% 62% 21% 0%
2003 99% 81% 92% 96% 81% 50%
2004 113% 110% 112% 81% 95% 58%
2005 124% 152% 143% 138% 149% 278%
2006 104% 105% 92% 102% 69% 3%
2007 100% 83% 89% 73% 59% 53%
2008 126% 160% 163% 147% 164% 338%
2009 137% 123% 116% 105% 100% 20%
2010 102% 100% 102% 104% 89% 91%
2011 168% 135% 131% 126% 166%  
2012 68% 78% 86% 60% 24% 0%
2013 73% 74% 75% 73% 76% 46%
2014 107% 104% 114% 111% 97% 158%
2015 99% 83% 79% 63% 53% 216%
2016 121% 114% 98% 95% 99% 209%

North Platte Basin - Percent of Median Snowpack

  January February March April May June
1937       82% 90%  
1938     118% 126% 132%  
1939   124% 110% 113% 116%  
1940   65% 79% 86% 95%  
1941   66% 71% 79% 114%  
1942   83% 90% 96% 107%  
1943   105% 97% 105% 58%  
1944   55% 60% 78% 94%  
1945   68% 88% 95% 121%  
1946   111% 100% 96% 60%  
1947   102% 105% 111% 124%  
1948   107% 92% 111% 101%  
1949   141% 129% 143% 119%  
1950   99% 99% 115% 120%  
1951   118% 109% 118% 127%  
1952   170% 159% 152% 134%  
1953   86% 93% 92% 102%  
1954   65% 63% 89% 48%  
1955   79% 85% 92% 69%  
1956   134% 136% 123% 134%  
1957   119% 119% 133% 152%  
1958   93% 98% 111% 130%  
1959   97% 101% 122% 119%  
1960   72% 95% 113% 80%  
1961   63% 69% 86% 113%  
1962   141% 156% 152% 135%  
1963   59% 87% 90% 78%  
1964   73% 82% 95% 113%  
1965   124% 124% 128% 137%  
1966   97% 81% 74% 67%  
1967   110% 119% 114% 118%  
1968   101% 114% 107% 128%  
1969   134% 126% 115% 104%  
1970   146% 131% 134% 159%  
1971   158% 151% 147% 140%  
1972   136% 122% 106% 102%  
1973   118% 100% 97% 134%  
1974   140% 127% 128% 142%  
1975   119% 116% 130% 136%  
1976   98% 107% 115% 111%  
1977   51% 51% 69% 49%  
1978   162% 146% 139% 133%  
1979   136% 131% 133% 138%  
1980   115% 116% 122% 120%  
1981   35% 43% 58% 32%  
1982 147% 145% 119% 123% 126% 190%
1983 121% 96% 92% 109% 126% 237%
1984 203% 155% 123% 120% 137% 141%
1985 144% 116% 103% 101% 107% 126%
1986 180% 133% 151% 134% 143% 161%
1987 94% 81% 70% 75% 50% 64%
1988 93% 108% 108% 117% 110% 135%
1989 120% 97% 105% 103% 82% 62%
1990 112% 91% 93% 102% 90% 108%
1991 78% 84% 78% 99% 108% 118%
1992 90% 80% 80% 80% 66% 48%
1993 109% 111% 119% 116% 137% 171%
1994 102% 96% 97% 91% 88% 59%
1995 88% 92% 93% 93% 113% 297%
1996 130% 146% 143% 139% 135% 177%
1997 188% 173% 146% 128% 144% 224%
1998 72% 93% 95% 91% 95% 129%
1999 79% 103% 103% 90% 104% 175%
2000 79% 96% 110% 114% 100% 57%
2001 108% 86% 87% 87% 80% 42%
2002 79% 68% 69% 71% 51% 23%
2003 100% 86% 96% 106% 113% 102%
2004 113% 91% 89% 77% 73% 58%
2005 105% 100% 94% 94% 90% 98%
2006 154% 137% 124% 122% 105% 81%
2007 93% 81% 92% 83% 72% 55%
2008 100% 113% 118% 115% 126% 183%
2009 96% 116% 111% 107% 107% 83%
2010 84% 78% 77% 77% 88% 136%
2011 171% 146% 140% 148% 187% 449%
2012 73% 73% 84% 59% 28% 9%
2013 83% 73% 76% 82% 101% 81%
2014 112% 118% 134% 137% 133% 180%
2015 107% 78% 84% 73% 61% 100%
2016 101% 97% 90% 109% 111% 168%

Rio Grande Basin - Percent of Median Snowpack

  January February March April May June
1950     99% 81% 21%  
1951     69% 76% 59%  
1952   265% 208% 189% 199%  
1953   89% 84% 64% 22%  
1954   120% 77% 78% 7%  
1955   75% 82% 53% 0%  
1956   157% 115% 83% 50%  
1957   215% 160% 149% 197%  
1958     106% 106% 142%  
1959     82% 68% 46%  
1960     141% 113% 51%  
1961     75% 89% 101%  
1962     171% 172% 119%  
1963   79% 66% 68% 6%  
1964   59% 95% 89% 113%  
1965   185% 167% 169% 221%  
1966   131% 129% 85% 74%  
1967   99% 90% 65% 47%  
1968   142% 123% 110% 200%  
1969   99% 103% 125% 75%  
1970   83% 69% 86% 106%  
1971   79% 77% 51% 27%  
1972   132% 102% 59% 12%  
1973   149% 127% 142% 199%  
1974   119% 103% 86% 61%  
1975   102% 118% 150% 218%  
1976   84% 112% 108% 110%  
1977   32% 32% 31% 5%  
1978   83% 79% 95% 60%  
1979   228% 190% 185% 219%  
1980   122% 139% 153% 195%  
1981   38% 33% 59% 11%  
1982   104% 109% 128% 118%  
1983   95% 95% 113% 138%  
1984 170% 144% 127% 124% 146% 224%
1985 163% 134% 128% 147% 171%  
1986 149% 111% 117% 104% 131%  
1987 113% 115% 118% 130% 131%  
1988 90% 91% 87% 74% 54% 61%
1989 107% 117% 144% 116% 68% 72%
1990 11% 28% 45% 60% 73% 125%
1991 130% 108% 95% 122% 106% 113%
1992 125% 103% 100% 102% 61% 82%
1993 107% 135% 161% 148% 156% 259%
1994 78% 63% 89% 90% 101% 131%
1995 122% 117% 118% 136% 176%  
1996 32% 53% 73% 73% 49% 6%
1997 148% 163% 156% 123% 147% 266%
1998 97% 87% 85% 98% 122% 97%
1999 112% 94% 84% 56% 95% 191%
2000 21% 31% 47% 66% 37% 2%
2001 96% 96% 106% 118% 129% 120%
2002 50% 48% 45% 39% 6% 0%
2003 73% 60% 75% 83% 59% 39%
2004 100% 107% 111% 83% 106% 83%
2005 123% 158% 152% 149% 148% 265%
2006 35% 43% 41% 68% 43% 25%
2007 101% 103% 95% 75% 75% 118%
2008 147% 175% 173% 149% 129% 193%
2009 147% 132% 117% 103% 101% 66%
2010 100% 113% 113% 122% 101% 81%
2011 111% 81% 90% 82% 79% 212%
2012 95% 78% 86% 54% 16% 0%
2013 67% 77% 79% 69% 42% 2%
2014 100% 84% 80% 79% 48% 27%
2015 70% 61% 74% 59% 25% 86%
2016 126% 107% 98% 79% 77% 85%

San Juan, Animas, Dolores & San Miguel Basins - Percent of Median Snowpack

  January February March April May June
1951       71% 89%  
1952       174% 242%  
1953       61% 69%  
1954       68% 27%  
1955       66% 69%  
1956       90% 100%  
1957       142% 220%  
1958            
1959            
1960            
1961            
1962            
1963            
1964            
1965            
1966            
1967            
1968            
1969     146% 134% 122%  
1970   58% 53% 74% 126%  
1971            
1972            
1973   138% 133% 138% 266%  
1974   118% 102% 78% 83%  
1975   113% 124% 151% 296%  
1976   72% 125% 106% 113%  
1977   30% 29% 24% 5%  
1978   105% 114% 132% 136%  
1979   214% 191% 192% 342%  
1980   153% 176% 187% 255%  
1981 50% 41% 37% 59% 31% 0%
1982 108% 113% 105% 125% 142%  
1983 136% 112% 111% 137% 208%  
1984 195% 150% 130% 120% 167% 340%
1985 155% 137% 125% 146% 175%  
1986 139% 101% 112% 107% 141% 478%
1987 107% 108% 120% 130% 132%  
1988 86% 99% 87% 71% 67% 79%
1989 115% 114% 130% 109% 71% 52%
1990 10% 26% 40% 54% 83% 116%
1991 97% 89% 79% 114% 108% 91%
1992 118% 94% 94% 107% 75% 106%
1993 109% 150% 178% 163% 186% 365%
1994 77% 68% 90% 83% 115% 129%
1995 123% 123% 119% 141% 193%  
1996 38% 75% 84% 85% 71% 5%
1997 183% 194% 171% 131% 175% 403%
1998 76% 77% 80% 97% 128% 127%
1999 106% 95% 85% 54% 104% 270%
2000 19% 47% 69% 91% 59% 1%
2001 100% 100% 105% 102% 116% 89%
2002 72% 55% 48% 38% 8% 0%
2003 90% 67% 81% 82% 64% 30%
2004 110% 110% 115% 79% 109% 83%
2005 121% 170% 161% 155% 168% 419%
2006 52% 57% 49% 75% 58% 18%
2007 85% 82% 84% 64% 67% 141%
2008 143% 166% 167% 140% 134% 339%
2009 150% 126% 114% 95% 83% 48%
2010 105% 115% 113% 111% 97% 58%
2011 160% 114% 105% 95% 119% 457%
2012 80% 78% 92% 59% 29% 0%
2013 68% 88% 83% 72% 44% 2%
2014 101% 82% 85% 81% 66% 51%
2015 75% 66% 68% 49% 36% 207%
2016 130% 122% 97% 82% 84% 171%

South Platte Basin - Percent of Median Snowpack

  January February March April May June
1938       126% 134%  
1939     109% 113% 113%  
1940   78% 93% 93% 90%  
1941   59% 64% 73% 102%  
1942   83% 96% 97% 127%  
1943   153% 142% 146% 112%  
1944   46% 55% 86% 121%  
1945   80% 109% 108% 139%  
1946   120% 114% 113% 74%  
1947   121% 115% 132% 146%  
1948   128% 116% 125% 119%  
1949   152% 159% 156% 140%  
1950   107% 103% 113% 119%  
1951   162% 158% 164% 184%  
1952   206% 174% 182% 172%  
1953   101% 110% 100% 123%  
1954   94% 76% 97% 59%  
1955   84% 84% 101% 67%  
1956   166% 168% 152% 157%  
1957   136% 126% 145% 206%  
1958   101% 97% 122% 146%  
1959   145% 141% 145% 149%  
1960   77% 103% 113% 91%  
1961   72% 78% 97% 118%  
1962   169% 154% 141% 110%  
1963   68% 106% 95% 75%  
1964   68% 81% 93% 109%  
1965   155% 146% 157% 158%  
1966   79% 78% 56% 57%  
1967   86% 99% 93% 96%  
1968   118% 124% 112% 140%  
1969   117% 101% 91% 70%  
1970   185% 163% 159% 195%  
1971   140% 131% 128% 149%  
1972   127% 128% 109% 106%  
1973   123% 106% 102% 153%  
1974   142% 127% 126% 135%  
1975   117% 119% 129% 137%  
1976   105% 106% 105% 101%  
1977   38% 38% 43% 43%  
1978   167% 150% 129% 112%  
1979   158% 136% 146% 139%  
1980   160% 151% 148% 161%  
1981 51% 36% 40% 58% 28% 55%
1982 130% 149% 117% 113% 110% 287%
1983 102% 83% 78% 113% 140% 406%
1984 201% 168% 139% 133% 161% 180%
1985 113% 105% 97% 92% 93% 78%
1986 161% 125% 154% 127% 143% 221%
1987 104% 108% 103% 99% 67% 14%
1988 108% 113% 114% 116% 107% 134%
1989 103% 103% 113% 92% 66% 12%
1990 97% 91% 89% 110% 107% 163%
1991 71% 73% 68% 83% 92% 84%
1992 95% 94% 86% 102% 72% 26%
1993 93% 104% 120% 118% 141% 170%
1994 108% 105% 112% 102% 97% 14%
1995 63% 66% 81% 84% 124% 456%
1996 146% 170% 166% 155% 155% 220%
1997 162% 172% 148% 119% 160% 271%
1998 97% 110% 103% 94% 111% 77%
1999 80% 101% 98% 78% 116% 223%
2000 71% 97% 103% 106% 88% 32%
2001 99% 78% 81% 87% 84% 28%
2002 59% 57% 60% 59% 27% 3%
2003 84% 75% 90% 125% 119% 109%
2004 74% 77% 79% 57% 73% 23%
2005 102% 98% 90% 91% 87% 86%
2006 146% 132% 115% 114% 84% 28%
2007 142% 134% 126% 104% 107% 122%
2008 104% 113% 123% 118% 115% 218%
2009 111% 121% 108% 95% 112% 96%
2010 98% 87% 88% 90% 89% 136%
2011 144% 141% 141% 137% 168%  
2012 91% 99% 101% 61% 28% 6%
2013 68% 57% 65% 71% 98% 153%
2014 100% 127% 151% 143% 133% 306%
2015 113% 97% 110% 87% 96% 320%
2016 116% 106% 102% 108% 114% 233%

Yampa & White Basins - Percent of Median Snowpack

  January February March April May June
1952   160% 150% 164% 172%  
1953   112% 106% 102% 142%  
1954   67% 58% 78% 26%  
1955   98% 105% 110% 77%  
1956   152% 148% 132% 119%  
1957   153% 144% 157% 205%  
1958   115% 115% 126% 182%  
1959   100% 119% 126% 156%  
1960   67% 96% 115% 61%  
1961   69% 67% 81% 125%  
1962   136% 138% 138% 121%  
1963   60% 78% 93% 78%  
1964   76% 81% 109% 155%  
1965   139% 140% 151% 173%  
1966   83% 87% 74% 32%  
1967   94% 109% 91% 69%  
1968   106% 118% 110% 163%  
1969   139% 122% 112% 75%  
1970   140% 127% 131% 186%  
1971   153% 136% 143% 155%  
1972   123% 113% 104% 86%  
1973   106% 93% 93% 156%  
1974   143% 130% 135% 201%  
1975   133% 130% 138% 180%  
1976   95% 94% 98% 91%  
1977   49% 51% 66% 12%  
1978   173% 157% 164% 177%  
1979   140% 133% 133% 160%  
1980   124% 129% 138% 146%  
1981   36% 41% 59% 25%  
1982 154% 152% 124% 136% 147% 178%
1983 123% 97% 95% 110% 145% 302%
1984 216% 153% 125% 131% 172% 149%
1985 152% 123% 104% 110% 117% 126%
1986 169% 122% 132% 123% 131% 146%
1987 83% 77% 71% 80% 49% 72%
1988 89% 111% 109% 114% 109% 129%
1989 117% 99% 104% 98% 72% 64%
1990 102% 92% 90% 94% 74% 109%
1991 83% 86% 83% 105% 126% 139%
1992 91% 81% 84% 87% 56% 35%
1993 109% 118% 123% 122% 163% 204%
1994 101% 92% 92% 85% 87% 64%
1995 92% 99% 98% 100% 135% 369%
1996 129% 156% 154% 143% 157% 183%
1997 180% 185% 154% 133% 162% 219%
1998 78% 96% 101% 100% 114% 111%
1999 68% 97% 99% 85% 104% 146%
2000 71% 96% 107% 111% 88% 51%
2001 111% 88% 88% 88% 77% 52%
2002 80% 75% 73% 75% 40% 14%
2003 104% 87% 97% 100% 107% 99%
2004 125% 103% 97% 77% 64% 66%
2005 99% 95% 91% 94% 85% 100%
2006 155% 145% 125% 125% 100% 87%
2007 90% 75% 90% 76% 51% 39%
2008 96% 114% 118% 117% 125% 163%
2009 109% 128% 118% 113% 106% 77%
2010 84% 81% 80% 80% 87% 126%
2011 162% 140% 133% 143% 192%  
2012 64% 66% 79% 52% 22% 9%
2013 81% 76% 75% 79% 95% 75%
2014 106% 115% 121% 125% 121% 139%
2015 105% 79% 79% 65% 46% 98%
2016 103% 106% 93% 102% 107% 151%

Colorado Statewide - Percent of Median Snowpack

  January February March April May June
1937       111% 91%  
1938     101% 122% 126%  
1939   124% 111% 104% 93%  
1940   75% 90% 83% 76%  
1941   83% 85% 104% 143%  
1942   85% 95% 105% 136%  
1943   124% 119% 124% 71%  
1944   63% 70% 96% 141%  
1945   76% 96% 109% 142%  
1946   100% 88% 85% 56%  
1947   98% 106% 112% 139%  
1948   103% 110% 124% 127%  
1949   137% 134% 139% 117%  
1950   93% 98% 106% 94%  
1951   127% 125% 121% 136%  
1952   202% 175% 179% 172%  
1953   100% 99% 89% 104%  
1954   85% 71% 84% 35%  
1955   77% 84% 88% 53%  
1956   148% 145% 120% 121%  
1957   151% 139% 148% 198%  
1958   102% 105% 118% 145%  
1959   97% 111% 113% 120%  
1960   79% 100% 110% 78%  
1961   65% 67% 86% 115%  
1962   148% 149% 142% 115%  
1963   62% 83% 82% 52%  
1964   63% 72% 91% 114%  
1965   146% 141% 156% 167%  
1966   91% 87% 66% 54%  
1967   100% 103% 87% 84%  
1968   108% 113% 107% 142%  
1969   123% 113% 108% 75%  
1970   137% 123% 127% 164%  
1971   120% 116% 108% 110%  
1972   120% 110% 90% 81%  
1973   123% 107% 111% 159%  
1974   133% 118% 113% 130%  
1975   113% 118% 135% 160%  
1976   93% 105% 103% 97%  
1977   37% 39% 45% 30%  
1978   138% 129% 130% 117%  
1979   171% 148% 153% 162%  
1980   140% 146% 151% 167%  
1981 51% 38% 39% 59% 24% 60%
1982 126% 136% 117% 124% 125% 296%
1983 113% 92% 91% 118% 153%  
1984 208% 164% 138% 137% 172% 204%
1985 139% 120% 109% 116% 120% 174%
1986 152% 115% 132% 116% 132% 224%
1987 101% 100% 99% 104% 79% 106%
1988 90% 105% 99% 96% 87% 119%
1989 110% 105% 116% 99% 63% 46%
1990 62% 65% 69% 81% 84% 133%
1991 92% 86% 78% 102% 110% 115%
1992 107% 92% 89% 98% 65% 47%
1993 109% 123% 144% 137% 164% 267%
1994 94% 85% 97% 91% 99% 65%
1995 99% 97% 104% 115% 155%  
1996 87% 123% 127% 123% 128% 166%
1997 173% 181% 157% 126% 161% 294%
1998 88% 96% 94% 96% 118% 100%
1999 83% 97% 91% 71% 104% 210%
2000 48% 73% 87% 97% 77% 29%
2001 99% 89% 92% 95% 93% 51%
2002 70% 63% 61% 57% 23% 5%
2003 94% 78% 90% 103% 101% 88%
2004 102% 97% 97% 71% 80% 51%
2005 108% 126% 118% 117% 114% 163%
2006 111% 107% 94% 102% 76% 49%
2007 106% 100% 99% 82% 79% 91%
2008 122% 142% 145% 134% 134% 256%
2009 132% 128% 115% 104% 104% 74%
2010 95% 94% 95% 96% 90% 119%
2011 151% 128% 124% 122% 158%  
2012 78% 81% 88% 56% 23% 5%
2013 71% 72% 73% 74% 83% 92%
2014 103% 107% 116% 115% 106% 195%
2015 99% 83% 87% 70% 61% 212%
2016 118% 112% 99% 98% 104% 200%

 

To view the tables in graph form go to the Historical Snowpack Percentage Time Series Bar Graphs