Climate Update March 2006 Meeting Nolan Doesken Colorado Climate Center presented at the Joint Meeting of the Flood Task Force & Water Availability Task Force, NRCS, Denver, CO, March 14, 2006 Prepared by Odie Bliss http://ccc.atmos.colostate.edu
Daily Temperatures Holyoke Fort Collins
Daily Temperatures Rocky Ford Center
Daily Temperatures Cortez Grand Junction
Temperature Departures 10.0 Water Year 2006 Departure (Degrees Fahrenheit) 8.0 6.0 4.0 2.0 0.0-2.0-4.0 Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Eastern Plains Foothills Mountains Western Valleys
Feb 2006 % precipitation
October 2005 Precipitation Percent of 1971-2000 average
November 2005 Precipitation Percent of 1971-2000 average
December 2005 Precipitation Percent of 1971-2000 average
January 2006 Precipitation Percent of 1971-2000 average
Feb 2006 % precipitation
Colorado Total Precipitation February December
WY 2006 precipitation
Climate divisions defined by Dr. Klaus Wolter of NOAA's Climate Diagnostic Center in Boulder, CO
Division 1 Grand Lake 1NW Grand Lake 1 NW 2006 Water Year 35 30 Year Averages-1971-2000 Max Year - 1984 Min Year - 2002 Period of Record Average - 1941-2002 2006 Water Year Accumulated Accumulated Precipitation (Inches) 30 25 20 15 10 5 0 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
Division 1 Taylor Park Taylor Park 2006 Water Year 30 Year Averages-1971-2000 Max Year - 1999 Min Year - 1974 Period of Record Average - 1942-2002 2006 Water Year Accumulated 2002 Water Year Accumulated 30 25 Accumulated Precipitation (Inches) 20 15 10 5 0 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
Division 2 Grand Junction Grand Junction WSFO 2006 Water Year 30 Year Averages-1971-2000 Max Year - 1929 Min Year - 1956 Period of Record Average - 1893-2002 2006 Water Year Accumulated 2002 Water Year Accumulated 16 14 Accumulated Precipitation (Inches) 12 10 8 6 4 2 0 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
Division 2 Collbran Collbran 2SW 2006 Water Year 30 Year Averages-1971-2000 Max Year - 1997 Min Year - 1974 Period of Record Average - 1893-2002 2006 Water Year Accumulated 2002 Water Year Accumulated 25 Accumulated Precipitation (Inches) 20 15 10 5 0 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
Division 3 Montrose Montrose #2 2006 Water Year 30 Year Averages-1971-2000 Max Year - 1941 Min Year - 1958 Period of Record Average - 1893-2002 2006 Water Year Accumulated 2002 Water Year Accumulated 18 16 Accumulated Precipitation (Inches) 14 12 10 8 6 4 2 0 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
Division 3 Mesa Verde Mesa Verde NP 2006 Water Year 30 Year Averages-1971-2000 Max Year - 1941 Min Year - 1977 Period of Record Average - 1893-2002 2006 Water Year Accumulated 2002 Water Year 35 30 Accumulated Precipitation (Inches) 25 20 15 10 5 0 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
Division 4 Del Norte 18 Del Norte 2006 Water Year 30 Year Averages-1971-2000 Max Year - 1985 Min Year - 1951 Period of Record Average - 1921-2002 2006 Accumulated 2002 Accumulated Water Year 16 Accumulated Precipitation (Inches) 14 12 10 8 6 4 2 0 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
Division 4 Center Center 4SSW 2006 Water Year 30 Year Averages-1971-2000 Max Year - 1992 Min Year - 1951 Period of Record Average - 1971-2002 2002 Water Year 2005 Water Year 12 10 Accumulated Precipitation (Inches) 8 6 4 2 0 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
Division 5 Colorado Springs Colorado Springs 2006 Water Year 30 Year Averages-1971-2000 Max Year - 1999 Min Year - 1939 30 Period of Record Average - 1893-2002 2006 Water Year Accumulated 2002 Water Year Accumulated Accumulated Precipitation (Inches) 25 20 15 10 5 0 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
Division 5 Pueblo Pueblo WSO 2006 Water Year 30 Year Averages-1971-2000 Max Year - 1942 Min Year - 2002 Period of Record Average - 1874-2000 20 2006 Water Year Accumulated 18 Accumulated Precipitation (Inches) 16 14 12 10 8 6 4 2 0 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
Division 5 Buena Vista Buena Vista 2006 Water Year 30 Year Averages-1971-2000 Max Year - 1965 Min Year - 1902 2006 Water Year Accumulated Period of Record Average - 1901-2002 2002 Water Year Accumulated 18 16 Accumulated Precipitaton (Inches) 14 12 10 8 6 4 2 0 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
Division 5 Canon City Canon City 2006 Water Year 30 Year Averages-1971-2000 Max Year - 1957 Min Year - 1962 Period of Record Average - 1906-2002 2006 Water Year Accumulated 2002 Water Year Accumulated 25 Accumulated Precipitation (Inches) 20 15 10 5 0 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
Division 7 Akron Akron 4E 2006 Water Year 30 Year Averages-1971-2000 Max Year - 1915 Min Year - 2002 Period of Record Average - 1906-2002 30 2006 Water Year Accumulated 25 Accumulated Precipitation (Inches) 20 15 10 5 0 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
Akron Accumulated Precipitation Akron 4E Average WY99 WY00 WY01 WY02 WY03 WY04 WY05 WY06 25 20 15 10 5 Accumulated Precipitation (Inches) OCT NOV DEC JAN FEB MAR 0 APR MAY JUN JUL AUG SEP Month
Division 7 Leroy Leroy 5SW 2006 Water Year 30 Year Averages-1971-2000 Max Year - 1995 Min Year - 1894 Period of Record Average - 1890-2002 2006 Water Year Accumulated 2002 Water Year Accumulated 30 25 Accumulated Precipitation (Inches) 20 15 10 5 0 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
Division 8 Boulder Boulder 2006 Water Year 2006 Water Year 30 Year Averages-1971-2000 Max Year - 1995 Min Year - 1966 Period of Record Average - 1894-2002 2002 Water Year 35 30 Accumulated Precipitation (inches) 25 20 15 10 5 0 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
Division 8 Cheesman Cheesman 2006 Water Year 30 Year Averages-1971-2000 Max Year - 1970 Min Year - 2002 Period of Record Average - 1904-2002 25 2006 Water Year Accumulated Precipitaton (Inches) 20 15 10 5 0 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
Division 8 Fort Collins Fort Collins 2006 Water Year 30 30 Year Averages-1971-2000 Max Year - 1961 Min Year - 1966 Period of Record Average - 1890-2002 2006 Water Year 2002 WY 25 Accumulated Precipitation (inches) 20 15 10 5 0 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Month
Division 8 Kassler Kassler 2006 Water Year 30 Year Averages-1971-2000 Max Year - 1915 Min Year - 1956 Period of Record Average - 1899-2002 2006 Water Year Accumulated 2002 Water Year Accumulated 30 25 Accumulated Precipitation (Inches) 20 15 10 5 0 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
March Average Precipitation
April Average Precipitation
May Average Precipitation
June Average Precipitation
3 Month SPI
6 Month SPI
12 Month SPI
24 Month SPI
48 Month SPI
Fraction of Colorado in Drought 1.0 Fraction of Colorado in Drought Based on 48 month SPI (1890 - February 2006) 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 1997 1890 1892 1895 1897 1900 1902 1905 1907 1910 1912 1915 1917 1920 1922 1925 1927 1930 1932 1935 1937 1940 1942 1945 1947 1950 1952 1955 1957 1960 1962 1965 1967 1970 1972 1975 1977 1980 1982 1985 1987 1990 1992 1995 Fraction (in percent) 2000 2002 2005 Year
12 Month SPI
Projected Conditions at 0.5 Probability Level 12 Month SPI at 6 months
Projected Conditions at 0.8 Probability Level 12 Month SPI at 6 months
48 Month SPI
Projected Conditions at 0.2 Probability Level 48 Month SPI at 12 months
Projected Conditions at 0.5 Probability Level 48 Month SPI at 12 months
Projected Conditions at 0.8 Probability Level 48 Month SPI at 12 months
Drought Monitor Map
Oct 94 Mar 95 precipitation percent 30-yr average.
Oct 98 Mar 99 precipitation percent 30-yr average.
Oct 01 Mar 02 precipitation percent 30-yr average.
Oct 03 Apr 04 precipitation percent 30-yr average.
Colorado Climate Center Colorado State University Data and Power Point Presentations available for downloading http://ccc.atmos.colostate.edu click on Drought then click on Presentations