|
return to Streamflow Sequences |
| Driest periods
(extreme low magnitude flows) |
30-yr-a
Extreme sustained low flow
|
11-yr-a
Sustained below average flow
 |
7-yr-a Most
extreme 7-yr low flow run in record
 |
| Continuous runs of
low flow years |
30-yr-f
Sustained below
average low flow
 |
11-yr-b
Nearly continuous below average flow
 |
7-yr-b Most
extreme continuously dry sequence
 |
| Low
flow periods with intervening high flow for recovery |
30-yr-d 6-year low flow run broken by
wet year
|
7-yr-d Extremely dry run with
intervening H year
 |
|
| Cluster of low flows
during low or average period |
30-yr-b
Clustered run of low flow years during
low-to-average period
 |
20-yr-b
Clustered run of flow years during below average period
 |
|
| High-amplitude
variability |
30-yr-e
Extreme high amplitude variability
 |
30-yr-c
High amplitude interannual variability
 |
7-yr-c
Sequence of high flow followed by low flow
 |
| Wettest period
(extreme high magnitude flows) |
30-yr-g Sustained above average high
flow
 |
|
|
| Other below average
flow patterns |
20-yr-a
Extreme low flow period
 |
20-yr-c
Long dry period with below average
flow
 |
11-yr-c Below
average with extreme low flow years
 |
