Climate Update Nolan Doesken State Climatologist Atmospheric Science Department Colorado State University http://ccc.atmos.colostate.edu Presented to Water Availability Task Force, Denver, CO, July 24, 2007 Prepared by Odie Bliss Photo by Wendy Ryan
(inches) CoCoRaHS, Statewide precipitation for July 1-23, 2007 COLORADO
Precipitation (inches) COLORADO
Water Year Water 2007 Temperature Year 2007 Temperature Departures Departures 8.0 6.0 Temperature Departure (deg F) 4.0 2.0 0.0-2.0-4.0-6.0-8.0-10.0 Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Eastern Plains Foothills Mountains Western Valleys
Temperature Departure (deg F) 20 15 10 5 0-5 -10-15 Denver, Temperature Grand Junction Departures and from Pueblo Average for June/July 2007 June and July Denver, Daily 2007 Grand Temperature Junction and Departures Pueblo Denver Grand Jct Pueblo -20 27-May 1-Jun 6-Jun 11-Jun 16-Jun 21-Jun 26-Jun 1-Jul 6-Jul 11-Jul 16-Jul 21-Jul 26-Jul
June Average Temperature History for Colorado June Period of record 1895-2007
July Average Temperature History for Colorado July Period of record 1895-2006
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 2007 Water Year 30 Year Averages-1971-2000 Period of Record Average - 1941-2002 2007 Water Year Accumulated Max Precip Min Precip 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 1 Taylor Park Taylor Park 2007 Water Year 30 Year Averages-1971-2000 Period of Record Average - 1942-2002 2007 Water Year Accumulated Max Precip 30 Min Precip Accumulated Precipitation (Inches) 25 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 2007 Water Year 30 Year Averages-1971-2000 Period of Record Average - 1893-2002 2007 Water Year Accumulated Max Precip Min Precip 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 2007 Water Year 30 Year Averages-1971-2000 Period of Record Average - 1893-2002 2007 Water Year Accumulated 25 Max Precip min precip Accumulated Precipitation (Inches) 20 15 10 5 0 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
18 16 Division 3 Montrose Montrose #2 2007 Water Year 30 Year Averages-1971-2000 Period of Record Average - 1893-2002 2007 Water Year Accumulated Max Precip Min Precip 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 2007 Water Year 30 Year Averages-1971-2000 Period of Record Average - 1893-2002 2007 Water Year Accumulated Max Precip Min Precip 35 Accumulated Precipitation (Inches) 30 25 20 15 10 5 0 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
Division 3 Cochetopa Creek Cochetopa Creek 2007 Water Year 30 Year Averages-1971-2000 Period of Record Average - 1949-2002 2007 Water Year Max Precip Min Precip 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 4 Center 12 Center 4SSW 2007 Water Year 30 Year Averages-1971-2000 Period of Record Average - 1971-2002 2007 Water Year Max Precip Min Precip 10 Accumulated Precipitation (Inches) 8 6 4 2 0 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
Division 4 Del Norte 18 Del Norte 2007 Water Year 30 Year Averages-1971-2000 Period of Record Average - 1921-2002 2007 Accumulated Max Precip Min Precip 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 5 Colorado Springs Colorado Springs 2007 Water Year 30 Year Averages-1971-2000 Period of Record Average - 1893-2002 2007 Water Year Accumulated Max Precip Min Precip 30 25 Accumulated Precipitation (Inches) 20 15 10 5 0 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
Division 5 Pueblo Pueblo WSO 2007 Water Year 20 30 Year Averages-1971-2000 Period of Record Average - 1874-2000 2007 Water Year Accumulated Min Precip Max Precip 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 Canon City Canon City 2007 Water Year 30 Year Averages-1971-2000 Period of Record Average - 1906-2002 2007 Water Year Accumulated Max Precip Min Precip 25 Accumulated Precipitation (Inches) 20 15 10 5 0 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
Division 5 Buena Vista Buena Vista 2007 Water Year 30 Year Averages-1971-2000 2007 Water Year Accumulated Period of Record Average - 1901-2002 Max Precip min precip 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 6 Rocky Ford Rocky Ford 2007 Water Year 30 Year Averages-1971-2000 Period of Record Average - 1889-2002 2007 Water Year Accumulated Max Precip min Precip 25 Accumulated Precipitation (Inches) 20 15 10 5 0 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
Division 6 Cheyenne Wells Cheyenne Wells 2007 Water Year 30 Year Averages-1971-2000 Period of Record Average - 1971-2002 2007 Water Year Max _Precip Min precip 30 Accumulated Precipitation (Inches) 25 20 15 10 5 0 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
Division 7 Leroy 30 Leroy 5SW 2007 Water Year 30 Year Averages-1971-2000 Period of Record Average - 1890-2002 2007 Water Year Accumulated Max Precip Min Precip Accumulated Precipitation (Inches) 25 20 15 10 5 0 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
Division 8 Boulder 35 Boulder 2007 Water Year 2007 Water Year 30 Year Averages-1971-2000 Period of Record Average - 1894-2002 Max Precip Min Precip 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 Fort Collins 30 Fort Collins 2007 Water Year 30 Year Averages-1971-2000 Period of Record Average - 1890-2002 2007 Water Year Max Precip Min Precip Accumulated Precipitation (inches) 25 20 15 10 5 0 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Month
Division 8 Cheesman 25 Cheesman 2007 Water Year 30 Year Averages-1971-2000 Period of Record Average - 1904-2002 2007 Water Year Max Precip Min Precip Accumulated Precipitaton (Inches) 20 15 10 5 0 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
Division 8 Kassler Kassler 2007 Water Year 30 Year Averages-1971-2000 Period of Record Average - 1899-2002 2007 Water Year Accumulated Max Precip Min Precip 30 Accumulated Precipitation (Inches) 25 20 15 10 5 0 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
June 2007 Precipitation (Prism)
June 2007 Percent of Average (Prism)
June 2007 Percent of Average (Prism) Colorado
June 2007 Percent of Average
Water Year 2007 (Oct-Jun) Prism
Water Year 2007 (Oct-Jun) Prism Colorado
Water Year 2007 (Oct-Jun)
3 Month SPI
6 Month SPI
12 Month SPI
24 Month SPI
48 Month SPI
1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 Standardized Precipitation Index Fraction of Colorado in Drought Based on 48 month SPI (1890 - June 2007) 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 1997 2000 2002 2005 2007 Year Fraction (in percent)
Drought Monitor map
Colorado Climate Center Data and Power Point Presentations available for downloading http://ccc.atmos.colostate.edu click on Drought then click on Presentations