Question

For estimating the missing annual rainfall value at a raingauge station using simple mean method, its normal annual precipitation should not be having a variation of more than ___ from the normal annual precipitation of other raingauges

• A. 5%
• B. 8%
• C. 10%
• D. 14%

Answer 1

The correct option is C 10%

If the variation is more than 10% normal ratio method is to be used.