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Year | Months Present |
Minimum | Median | Mean | 90th Percentile |
Maximum | Standard Deviation |
Number of Observations |
Detection Limit |
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2005 |
|
* | * | * | * | * | * | 0 | * | ||||||||||||
2004 |
|
0.025 | 0.27 | 0.467 | 1.3 | 2.4 | 0.570 | 31 | 0.05 | ||||||||||||
2003 |
|
0.025 | 0.15 | * | 0.50 | 1.4 | 0.292 | 27 | 0.05 | ||||||||||||
2002 |
|
0.025 | 0.19 | 0.436 | 0.92 | 1.5 | 0.453 | 31 | 0.05 | ||||||||||||
2001 |
|
0.025 | 0.23 | 0.458 | 1.4 | 2.4 | 0.579 | 30 | 0.05 | ||||||||||||
2000 |
|
0.025 | 0.35 | 0.622 | 1.8 | 1.9 | 0.634 | 31 | 0.05 | ||||||||||||
1999 |
|
0.025 | 0.61 | 0.798 | 1.91 | 2.3 | 0.697 | 30 | 0.05 | ||||||||||||
1998 |
|
0.05 | 0.39 | 0.918 | 2.22 | 3.7 | 0.990 | 30 | 0.05 | ||||||||||||
1997 |
|
0.08 | 0.47 | 0.821 | 2.0 | 2.9 | 0.786 | 31 | 0.05 | ||||||||||||
1996 |
|
0.10 | 0.50 | 0.869 | 1.57 | 4.5 | 0.974 | 24 | 0.05 | ||||||||||||
1995 |
|
0.07 | 0.46 | 0.828 | 1.77 | 3.1 | 0.766 | 24 | 0.05 | ||||||||||||
1994 |
|
0.23 | 1.35 | * | 2.84 | 4.1 | 1.12 | 14 | 0.05 | ||||||||||||
1993 |
|
0.10 | 0.77 | 1.31 | 3.37 | 3.7 | 1.17 | 24 | 0.05 | ||||||||||||
1992 |
|
0.06 | 0.59 | 1.38 | 3.45 | 5.2 | 1.49 | 24 | 0.05 | ||||||||||||
1991 |
|
0.05 | 0.59 | 1.27 | 3.86 | 6.3 | 1.64 | 24 | 0.05 | ||||||||||||
1990 |
|
0.27 | * | * | * | 3.3 | 1.33 | 8 | 0.05 | ||||||||||||
1989 |
|
* | * | * | * | * | * | 0 | * | ||||||||||||
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Notes: | Values below the Limit of Detection (LoD) assumed to be ½ LoD. Means and risks shown only for years with data in all 12 months. "*" means there was insufficient or no data available to determine the value. |
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