| RecYear | | Physical quantity | Year of record |
| RecMonth | | Physical quantity | Month of record |
| RecDay | | Physical quantity | Day of record |
| Watershed | | Nominal | watershed |
| DayofYear | | Physical quantity | day of the year |
| MeanDischarge | | Physical quantity | mean discharge |
| MaxDischarge | | Physical quantity | max discharge |
| TimeMax | | Date/time | time of max discharge in 2400 hour format |
| MinDischarge | | Physical quantity | min discharge |
| TimeMin | | Date/time | time of min discharge in 2400 hour format |
| Volume | | Physical quantity | volume |
| Incomplete_flag | | Nominal | flag used to mark days with some missing five-minute stage measurements (1 = flag;0= no flag, '.' for missing value) |
| Maintenance_flag | | Nominal | flag used to mark days with maintenance work (1 = flag;0= no flag, '.' for missing value) |
| Qual_flag | | Nominal | flag used to mark days with bad data (1 = flag;0= no flag, '.' for missing value) |