| Most Recent Instantaneous Value Jan 27 | Min (1981) | 25th percen- tile | Median | Mean | 75th percen- tile | Max (1978) |
|---|---|---|---|---|---|---|
| -- unavailable -- | 2720 | 6200 | 9800 | 15800 | 18600 | 69500 |
Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen |
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