Computer · Hydrology
The normal annual rainfall at rain gauge stations A, B, C, and D in a catchment area is 60, 70, 80, and 90 cm respectively. In the year 2020, station A was inoperative, while stations B, C, and D recorded annual precipitations of 80, 85, and 90 cm respectively. Estimate the rainfall at station A in that year using the normal ratio method.
- 168.1 cm
- 261.8 cm
- 364.1 cm✓
- 460.0 cm
Correct answer
64.1 cm
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