Climate Update Wendy Ryan Research Associate For Nolan Doesken, State Climatologist Atmospheric Science Department Colorado State University http://ccc.atmos.colostate.edu Presented to Water Availability Task Force, Denver, CO, February 2, 28 Prepared by Odie Bliss Photo by Colorado Avalanche Information Center
Water Year 28 Temperature Departures 6. Water Year 28 Temperature Departure (deg F) 4. 2.. -2. -4. -6. Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Eastern Plains Foothills Mountains Western Valleys
January Average Temperature History for Colorado (NCDC) Period of record 1895-28
January 28 Precipitation (inches)
January 28 Percent of Average (Prism)
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 28 Water Year 3 Year Averages-1971-2 Period of Record Average - 1941-22 28 Water Year Accumulated Max Precip Min Precip 35 3 Accumulated Precipitation (Inches) 25 2 15 1 5 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
Division 1 Taylor Park Taylor Park 28 Water Year 3 Year Averages-1971-2 Period of Record Average - 1942-22 28 Water Year Accumulated Max Precip 3 Min Precip 25 Accumulated Precipitation (Inches) 2 15 1 5 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
Division 2 Grand Junction Grand Junction WSFO 28 Water Year 3 Year Averages-1971-2 Period of Record Average - 1893-22 28 Water Year Accumulated Max Precip 16 Min Precip 14 Accumulated Precipitation (Inches) 12 1 8 6 4 2 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
Division 2 Collbran 25 Collbran 2SW 28 Water Year 3 Year Averages-1971-2 Period of Record Average - 1893-22 28 Water Year Accumulated Max Precip min precip Accumulated Precipitation (Inches) 2 15 1 5 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
Division 3 Montrose Montrose #2 28 Water Year 3 Year Averages-1971-2 Period of Record Average - 1893-22 28 Water Year Accumulated Max Precip Min 18 16 Accumulated Precipitation (Inches) 14 12 1 8 6 4 2 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
Division 3 Mesa Verde Mesa Verde NP 28 Water Year 3 Year Averages-1971-2 Period of Record Average - 1893-22 28 Water Year Accumulated Max Precip Min 35 3 Accumulated Precipitation (Inches) 25 2 15 1 5 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
Division 3 Cochetopa Creek Cochetopa Creek 28 Water Year 3 Year Averages-1971-2 Period of Record Average - 1949-22 28 Water Year Max Precip Min P 18 16 Accumulated Precipitation (Inches) 14 12 1 8 6 4 2 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
Division 4 Del Norte Del Norte 28 Water Year 3 Year Averages-1971-2 Period of Record Average - 1921-22 28 Accumulated Water Year Max Precip Min Precip 18 16 Accumulated Precipitation (Inches) 14 12 1 8 6 4 2 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
Division 5 Colorado Springs Colorado Springs 28 Water Year 3 Year Averages-1971-2 Period of Record Average - 1893-22 28 Water Year Accumulated Max Precip Min Precip 3 Accumulated Precipitation (Inches) 25 2 15 1 5 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
Division 5 Pueblo Pueblo WSO 28 Water Year 3 Year Averages-1971-2 Period of Record Average - 1874-2 28 Water Year Accumulated Max Precip Min 2 18 Accumulated Precipitation (Inches) 16 14 12 1 8 6 4 2 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
Division 5 Canon City Canon City 28 Water Year 3 Year Averages-1971-2 Period of Record Average - 196-22 28 Water Year Accumulated Max Precip Min Precip 25 Accumulated Precipitation (Inches) 2 15 1 5 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
Division 5 Buena Vista Buena Vista 28 Water Year 3 Year Averages-1971-2 28 Water Year Accumulated Period of Record Average - 191-22 Max Precip min precip 18 16 Accumulated Precipitaton (Inches) 14 12 1 8 6 4 2 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
Division 6 Rocky Ford Rocky Ford 28 Water Year 3 Year Averages-1971-2 Period of Record Average - 1889-22 28 Water Year Accumulated Max Precip min 25 Accumulated Precipitation (Inches) 2 15 1 5 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
Division 7 Akron Akron 4E 28 Water Year 3 Year Averages-1971-2 Period of Record Average - 196-22 28 Water Year Accumulated Max Precip Min Precip Year of Max 3 25 Accumulated Precipitation (Inches) 2 15 1 5 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
Division 7 Leroy Leroy 5SW 28 Water Year 3 Year Averages-1971-2 Period of Record Average - 189-22 28 Water Year Accumulated Max Precip Min 3 25 Accumulated Precipitation (Inches) 2 15 1 5 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
Division 8 Boulder Boulder 28 Water Year 28 Water Year 3 Year Averages-1971-2 Period of Record Average - 1894-22 Max Precip Min Pre 35 3 Accumulated Precipitation (inches) 25 2 15 1 5 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
Division 8 Fort Collins Fort Collins 28 Water Year 3 Year Averages-1971-2 Period of Record Average - 189-22 28 Water Year Max Precip Min P 3 Accumulated Precipitation (inches) 25 2 15 1 5 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Month
Division 8 Cheesman Cheesman 28 Water Year 3 Year Averages-1971-2 Period of Record Average - 194-22 28 Water Year Max Precip Min 25 Accumulated Precipitaton (Inches) 2 15 1 5 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
Division 8 Kassler Kassler 28 Water Year 3 Year Averages-1971-2 Period of Record Average - 1899-22 28 Water Year Accumulated Max Precip Min Precip 3 Accumulated Precipitation (Inches) 25 2 15 1 5 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Months
Water Year 28 (Oct 7-Jan 8) Prism
Water Year 28 (Oct 7-Jan 8) Prism Colorado
3 Month SPI
6 Month SPI
12 Month SPI
24 Month SPI
48 Month SPI
1..9.8.7.6.5.4.3.2.1. Standardized Precipitation Index Fraction of Colorado in Drought Based on 48 month SPI (189 - January 28) 189 1892 1895 1897 19 192 195 197 191 1912 1915 1917 192 1922 1925 1927 193 1932 1935 1937 194 1942 1945 1947 195 1952 1955 1957 196 1962 1965 1967 197 1972 1975 1977 198 1982 1985 1987 199 1992 1995 1997 2 22 25 27 Year Fraction (in percent)
Drought Monitor map -- CURRENT
Colorado Climate Center Data and Power Point Presentations available for downloading http://ccc.atmos.colostate.edu click on Drought then click on Presentations