Table 3. Summary statistics of selected nutrient concentrations in rainfall samples, 2000–2001
[Rainfall in inches;
concentrations in milligrams per liter; --, not determined; <, less than]
Constituent |
No. of |
Mean |
Median |
Minimum |
Maximum |
Rainfall (inches) |
5 |
1.75 |
1.55 |
0.23 |
4.34 |
Nitrogen, ammonia, dissolved |
5 |
.060 |
.060 |
.016 |
.11 |
Nitrogen, ammonia + organic, dissolved |
5 |
-- |
<.1 |
<.05 |
.25 |
Nitrogen, ammonia + organic, total |
5 |
.090 |
.090 |
.050 |
.18 |
Nitrogen, nitrite + nitrate, dissolved |
5 |
.074 |
.068 |
.020 |
.11 |
Nitrogen, nitrite, dissolved |
5 |
<.001 |
<.001 |
<.001 |
.002 |
Nitrogen, total |
5 |
.174 |
.13 |
.07 |
.35 |
Orthophosphate phosphorus, dissolved |
5 |
-- |
<.004 |
<.001 |
.003 |
Phosphorus, dissolved |
5 |
<.006 |
<.006 |
<.006 |
.006 |
Phosphorus, total |
5 |
-- |
<.004 |
<.004 |
.011 |
Contents | Back to Runoff | Table 4