🌧️ SPI Calculator
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Monthly Precipitation Data - Date and Precipitation (mm)
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#
Date
Precipitation (mm)
SPI Calculation Parameters
SPI Period:
SPI-1
SPI-3
SPI-6
SPI-9
SPI-12
SPI-24
Start Year:
Calibration Start:
Calibration End:
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👆 Configure the settings above and click the "Calculate SPI" button to start the calculation.
SPI Results
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SPI Results - Values and Drought Categories
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#
Date
Precipitation (mm)
SPI Value
Drought Category