<Tr> <Td> Feb . </Td> <Td> 67,900 </Td> <Td> 1,920 </Td> </Tr> <Tr> <Td> Mar . </Td> <Td> 96,300 </Td> <Td> 2,730 </Td> </Tr> <Tr> <Td> Apr . </Td> <Td> 119,000 </Td> <Td> 3,370 </Td> </Tr> <Tr> <Td> May </Td> <Td> 125,000 </Td> <Td> 3,540 </Td> </Tr>

Where is the headwaters of the missouri river