Climate for Station: Altar (Obs), Sonora, Mexico
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Station Statistics
10-Year Trend
High: -0.62 °C/decade
Low: +1.10 °C/decade
Rain: -0.27 mm/decade
25-Year Trend
High: +0.26 °C/decade
Low: +0.62 °C/decade
Rain: -0.08 mm/decade
50-Year Trend
High: +0.22 °C/decade
Low: +0.65 °C/decade
Rain: -0.07 mm/decade
All-Time Trend
High: +0.14 °C/decade
Low: +0.71 °C/decade
Rain: -0.08 mm/decade
Percentage Above-Average Days
Last 12 Months: 52.9%
This Year: 58.3%
Precipitation Concentration Index (PCI) ℹ️
Last 12 Months: 18.9
Historical Average: 27.2
Percentile Rank of Last 12 Months ℹ️
High: 74th percentile
Low: 95th percentile
Rain: 9th percentile
Change in Variance ℹ️
High: -11.8%
Low: -6.6%
Intraday: -26.1%
Data Coverage
78.5%
First Year of Data
1951
Station Location
Weather Records
| Max High | Avg High | Min High | Max Avg | Avg Avg | Min Avg | Max Low | Avg Low | Min Low | Max Precipitation | Avg Precipitation | Max Snow | Avg Snow | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Record | 48.8 °C | — | 5.0 °C | 42.5 °C | — | -0.5 °C | 31.2 °C | — | -10.0 °C | 116.3 mm | — | — | — |
| January | 33.0 °C | 21.8 °C | 5.5 °C | 23.2 °C | 13.3 °C | 1.6 °C | 16.7 °C | 4.5 °C | -10.0 °C | 38.9 mm | 0.5 mm | — | — |
| February | 36.7 °C | 23.9 °C | 5.0 °C | 27.9 °C | 14.8 °C | -0.5 °C | 17.8 °C | 5.7 °C | -7.2 °C | 48.8 mm | 0.6 mm | — | — |
| March | 39.4 °C | 26.9 °C | 10.0 °C | 30.3 °C | 17.8 °C | 6.8 °C | 19.3 °C | 7.9 °C | -6.1 °C | 69.3 mm | 0.3 mm | — | — |
| April | 42.8 °C | 31.0 °C | 11.7 °C | 31.5 °C | 21.5 °C | 9.6 °C | 23.3 °C | 10.7 °C | -1.7 °C | 17.5 mm | 0.1 mm | — | — |
| May | 46.1 °C | 35.3 °C | 15.6 °C | 37.6 °C | 25.7 °C | 13.3 °C | 26.1 °C | 14.8 °C | 1.7 °C | 42.9 mm | 0.1 mm | — | — |
| June | 48.8 °C | 40.2 °C | 26.6 °C | 39.8 °C | 30.7 °C | 19.3 °C | 30.6 °C | 20.0 °C | 3.9 °C | 19.8 mm | 0.1 mm | — | — |
| July | 47.8 °C | 40.1 °C | 27.6 °C | 41.5 °C | 31.6 °C | 23.7 °C | 31.2 °C | 24.1 °C | 10.0 °C | 116.3 mm | 2.1 mm | — | — |
| August | 48.5 °C | 39.1 °C | 23.9 °C | 42.5 °C | 31.0 °C | 22.4 °C | 30.5 °C | 23.6 °C | 11.7 °C | 86.4 mm | 2.4 mm | — | — |
| September | 45.6 °C | 37.5 °C | 24.7 °C | 41.3 °C | 29.1 °C | 19.7 °C | 29.6 °C | 20.7 °C | 6.0 °C | 70.2 mm | 1.1 mm | — | — |
| October | 45.0 °C | 32.8 °C | 15.6 °C | 33.8 °C | 23.8 °C | 12.0 °C | 29.4 °C | 14.6 °C | 0.0 °C | 74.4 mm | 0.4 mm | — | — |
| November | 46.1 °C | 26.7 °C | 10.6 °C | 32.0 °C | 17.8 °C | 6.3 °C | 22.8 °C | 8.7 °C | -4.4 °C | 26.7 mm | 0.2 mm | — | — |
| December | 40.0 °C | 21.7 °C | 7.8 °C | 27.7 °C | 13.4 °C | 1.7 °C | 19.4 °C | 5.0 °C | -8.3 °C | 59.9 mm | 0.8 mm | — | — |
Plots
Current Year Climate Trends vs Historical
Max Temperature this Year | 1 of 4
Climate 12-Month Moving Averages
Max Temperature 12-Month MA | 1 of 4
Daily Average Temperatures Throughout the Year
Average Max Temperature Throughout Year | 1 of 3
