elvisfrimpong-da/Rainfall-Variability-and-Prediction-Analysis-in-Ghana

Domain:

climate

Record type:

project

Creator:

elv

Host:

Statistical and predictive analysis of monthly rainfall and temperature patterns in Ghana using satellite climate data, with applications to agricultural decision-making. # Rainfall Variability and Prediction Analysis in Ghana ## Overview This project presents a comprehensive analysis of rainfall patterns in Ghana using statistical methods, climate indices, and predictive modeling. The goal is to understand seasonal variability, detect trends, and explore the potential for rainfall prediction to support agricultural and environmental decision-making. --- ## Objectives - Analyze monthly rainfall trends and seasonal variability - Test for statistically significant differences in rainfall across months - Identify wet and dry periods using climate indices - Evaluate rainfall variability and concentration patterns - Explore the relationship between rainfall and temperature - Develop a predictive model for future rainfall estimation --- ## Dataset The dataset consists of **180 monthly observations** of climate data in Ghana, including: - Rainfall (mm) - Average Temperature (°C) - Maximum Temperature (°C) - Year and Month information --- ## 🔍 Exploratory Data Analysis (EDA) - Examined rainfall distribution across months using boxplots - Identified strong **seasonal rainfall patterns** - Observed significant **interannual variability** - Compared rainfall and temperature behavior --- ## Statistical Analysis ### ANOVA - Conducted one-way ANOVA to test differences in mean rainfall across months - Result: **Significant variation across months (p < 0.001)** ### Tukey HSD - Identified specific months with statistically significant differences - Confirmed clear seasonal rainfall contrasts --- ## Climate Indices ### ✔️ Rainfall Anomalies - Detected deviations from long-term average rainfall - Identified periods of unusually high and low rainfall ### ✔️ Standardized Precipitation Index (SPI) - Classified drought and wet periods - Highlighted temporal rainfall variability ### ✔️ Rainfall Concentration Index (RCI) - Showed rainfall is **moderately concentrated in specific months** - Confirms seasonal rainfall dependence ### ✔️ Coeffic …

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