Climate Change Chart of Alta, USA
Comprehensive Climate Change Chart of Alta, USA: Monthly Averages and Impact Trends
For Alta, USA, the climate data compare 1940–1950 with 2013–2023.
Averaged across calendar months, monthly mean temperature shows a difference of +1.28 °C compared with the earlier reference period; this is an unweighted comparison of monthly means, not a measure of daytime maximum temperatures or conditions in every month. January has the largest monthly mean temperature increase, with a difference of +2.61 °C.
Overview of climate changes
Temperature changes
Averaged across calendar months, monthly mean temperature shows a difference of +1.28 °C compared with the earlier reference period; this is an unweighted comparison of monthly means, not a measure of daytime maximum temperatures or conditions in every month. January has the largest monthly mean temperature increase, with a difference of +2.61 °C. This identifies the strongest monthly increase in the supplied comparison, rather than implying the same change throughout the year.
Changes in rainfall
Mean daily rainfall averaged across calendar months changed by -0.02 mm/day; this modest aggregate difference does not describe every month or the number of rainy days. The clearest monthly contrast is in February, where mean daily rainfall has a difference of -1.26 mm/day, the largest decrease. By contrast, January records the largest increase, a difference of +0.63 mm/day. These are daily averages, not monthly rainfall totals.
Changes in sunshine duration
Mean daily sunshine duration averaged across calendar months changed by -0.48 hours/day. The largest monthly decrease is in May, with a difference of -1.27 hours/day, while February has the largest increase, at a difference of +0.22 hours/day. These monthly averages describe typical daily sunshine duration, not the sunshine on any particular day.
Climate Change Data Overview for Alta, USA
Explore the comprehensive climate change data for Alta, USA. This detailed table provides valuable insights into temperature variations, precipitation levels, and seasonal changes influenced by climate change, helping you understand the unique weather patterns of this region.
Temperature °C
| Month | ⌀ 1940 - 1950 | ⌀ 2013 - 2023 | +/- |
|---|---|---|---|
| Jan | 10.06 | 12.67 | 2.61 |
| Feb | 11.08 | 13.53 | 2.45 |
| Mar | 13.09 | 14.89 | 1.80 |
| Apr | 15.58 | 17.17 | 1.59 |
| May | 18.00 | 18.17 | 0.17 |
| Jun | 20.29 | 21.08 | 0.79 |
| Jul | 23.22 | 23.46 | 0.23 |
| Aug | 23.31 | 24.01 | 0.70 |
| Sep | 22.35 | 23.30 | 0.95 |
| Oct | 19.00 | 20.46 | 1.46 |
| Nov | 14.87 | 16.39 | 1.53 |
| Dec | 11.74 | 12.80 | 1.06 |
| ⌀ Month | 16.88 | 18.16 | 1.28 |
Sunshine (h) / day
| Month | ⌀ 1940 - 1950 | ⌀ 2013 - 2023 | +/- |
|---|---|---|---|
| Jan | 8.30 | 7.90 | -0.40 |
| Feb | 8.84 | 9.05 | 0.22 |
| Mar | 10.08 | 9.85 | -0.23 |
| Apr | 11.34 | 11.12 | -0.23 |
| May | 12.58 | 11.31 | -1.27 |
| Jun | 13.30 | 12.16 | -1.14 |
| Jul | 13.25 | 12.57 | -0.68 |
| Aug | 12.35 | 11.81 | -0.53 |
| Sep | 11.46 | 10.81 | -0.65 |
| Oct | 10.07 | 9.79 | -0.28 |
| Nov | 8.99 | 8.86 | -0.13 |
| Dec | 8.01 | 7.61 | -0.40 |
| ⌀ Month | 10.71 | 10.24 | -0.48 |
Rain (mm) / day
| Month | ⌀ 1940 - 1950 | ⌀ 2013 - 2023 | +/- |
|---|---|---|---|
| Jan | 1.86 | 2.49 | 0.63 |
| Feb | 2.82 | 1.56 | -1.26 |
| Mar | 2.32 | 2.04 | -0.29 |
| Apr | 0.86 | 0.48 | -0.38 |
| May | 0.09 | 0.33 | 0.25 |
| Jun | 0.04 | 0.16 | 0.12 |
| Jul | 0.01 | 0.14 | 0.13 |
| Aug | 0.04 | 0.29 | 0.25 |
| Sep | 0.02 | 0.35 | 0.32 |
| Oct | 0.41 | 0.33 | -0.08 |
| Nov | 1.05 | 0.69 | -0.35 |
| Dec | 2.19 | 2.63 | 0.44 |
| ⌀ Month | 0.98 | 0.96 | -0.02 |
Snow (mm) / day
| Month | ⌀ 1940 - 1950 | ⌀ 2013 - 2023 | +/- |
|---|---|---|---|
| Jan | 0.05 | 0.00 | -0.05 |
| Feb | 0.00 | 0.02 | 0.02 |
| Mar | 0.00 | 0.00 | 0.00 |
| Apr | 0.00 | 0.00 | 0.00 |
| May | 0.00 | 0.00 | 0.00 |
| Jun | 0.00 | 0.00 | 0.00 |
| Jul | 0.00 | 0.00 | 0.00 |
| Aug | 0.00 | 0.00 | 0.00 |
| Sep | 0.00 | 0.00 | 0.00 |
| Oct | 0.00 | 0.00 | 0.00 |
| Nov | 0.00 | 0.00 | 0.00 |
| Dec | 0.00 | 0.00 | 0.00 |
| ⌀ Month | 0.00 | 0.00 | -0.00 |
