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
samples

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

 

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