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<br />Temperature trends in Colorado, or: Caveat <br />emptor! <br /> <br />. <br /> <br />Pick 4-7 "best" stations for each new climate division (none of <br />them are perfect!); compute seasonal averages for Tmax&Tmin; <br />compute linear trends for average ANOMALIES (compared to <br />1955-2004 means) among all available stations for last 30, 50, <br />and 74 years. <br /> <br />. <br /> <br />Regression results give both size of trend (say, XOF/year) AND <br />statistical significance - one can have large trends without being <br />significant, if year-to-year (or decadal) variability is large. <br /> <br />. <br /> <br />Trend analyses could be (a) extended back to 1900 for parts of <br />the state; (b) made more robust by holding out individual <br />stations/varying the start/end years. <br />