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Satellite imagery analysis of 2023, 2024, 2025 and 2026 shows a notable variation in snow cover extent in the Upper Indus Basin (UIB), the Gilgit-Baltistan province, and the Chitral area in northern Pakistan. The same is summarized in the table below.

Remote sensing data highlights the variations shown above. These values of snow cover extent are based on observations from the respective years, all mapped for the first week of April. In the following map, the snow extent is shown in sky blue, while snow-free areas appear with a white background. The black boundary defines the extent of the UIB.