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 **Procedures Description**: From Piracicaba Climate Spreadsheet, we extracted Mean, Minimum and Maximum Temperature, Relative Humidity and Precipitation data. Using dynamic tables in the Spreadsheet, we organized these daily data, turning them into average annual data and then into average decade data. With these decade data, we performed a polinomial quadractic modelling, aiming to predict these climate attributes (response variables), using the decade as the predictor variable. Thereafter, we used the fitted equations to perform a projection of the climate variables 100 years ahead (until 2120) to assess the tendency of these attributes over a century.  **Procedures Description**: From Piracicaba Climate Spreadsheet, we extracted Mean, Minimum and Maximum Temperature, Relative Humidity and Precipitation data. Using dynamic tables in the Spreadsheet, we organized these daily data, turning them into average annual data and then into average decade data. With these decade data, we performed a polinomial quadractic modelling, aiming to predict these climate attributes (response variables), using the decade as the predictor variable. Thereafter, we used the fitted equations to perform a projection of the climate variables 100 years ahead (until 2120) to assess the tendency of these attributes over a century. 
  
-**Outcomes Interpretation**: .  +**Results Interpretation**: Firstly, the increasing behavior of temperatures (minimum, maximum and mean) and decreasing behavior of Relative Humidity and Precipitation were confirmed by the tendency curves fitted by the polynomial model, from 1920 to 2025. These outcomes answer positively the first scientific question, denoting the possible effects of climate changes on Piracicaba climate. Additionally, the projection for the future decades until 2120 shows that this tendency continues over these decades, responding positively the second scientific question. For temperatures, from 2025 to 2125, the tendency curves denote an increase of 23,3 % for Mean Temperature, 68,4 % for Minimum Temperature and 24,7 % for Maximum Temperature. For Relative Humidity and Precipitation, from 2025 to 2125, the tendency curves denote an decrease of 46,7 % for Relative Humidity and 54,5 % for Precipitation. 
  
  
 **Raw Data and Code used** **Raw Data and Code used**
  
-  *[[LINK|RCloud Code to Data Analysis]]  +  *[[https://posit.cloud/content/9957157|RCloud Code to Data Analysis]]  
-  *[[LINK|Raw Data in GitHub]] +  *[[https://github.com/RafaSantos71/Piracicaba_Climate_Data/blob/main/Clima_Pira_Comparison.xlsx|Raw Data in GitHub]] 
  
 **Plots Generated** **Plots Generated**
opensci/2025/rafael/art2.1744067009.txt.gz · Última modificação: 2025/04/07 23:03 por rafael