Climate Change Chart of Telluride, USA

Overview of climate changes

Temperature changes

Across calendar months, the unweighted mean of monthly mean temperatures shows a difference of +2.10 °C in the more recent reference period; this describes an average across months, not a change that occurred steadily or in every month. The largest monthly increase was in November, at +3.36 °C. These are monthly mean temperatures, not daytime maximums, so they do not indicate how hot afternoons became.

Changes in rainfall

Mean daily rainfall averaged across calendar months had a difference of -0.34 mm/day compared with the earlier reference period. The largest monthly decrease was in August, with a difference of -1.59 mm/day, while the largest increase was in February, at +0.01 mm/day. These are daily averages, not monthly rainfall totals, and they do not show how many rainy days occurred.

Changes in snowfall

Mean daily snowfall also had a lower unweighted average across calendar months, with a difference of -0.49 mm/day. The largest monthly decrease was in April, at -8.02 mm/day, while the largest increase was in December, at +2.15 mm/day. These daily averages do not describe snowfall totals over a month.

Changes in sunshine duration

Mean daily sunshine averaged across calendar months had a difference of -0.33 hours/day. The largest monthly decrease was in January, at -0.72 hours/day, whereas the largest increase was in April, at +0.12 hours/day. These are average daily hours, not a guarantee of sunshine on any particular day.