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Monthly anomalies are first calculated, followed by the computation of the SD from the squared variance averaged for March and April.
| Variable | Climatological (2010–2022) | 2023 | Fractional difference |
|---|---|---|---|
| CSA v10 | 0.42 | 0.69 | +64% |
| CSA rainfall | 1.59 | 3.52 | +123% |
| EP u10 | 0.78 | 1.08 | +38% |
