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Read About Estimated Risk |
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Year | Months Present |
Minimum | Median | Mean | 90th Percentile |
Maximum | Standard Deviation |
Number of Observations |
Detection Limit |
Estimated Risk |
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2024 |
|
* | * | * | * | * | * | 0 | * | * | ||||||||||||
2023 |
|
* | * | * | * | * | * | 0 | * | * | ||||||||||||
2022 |
|
* | * | * | * | * | * | 0 | * | * | ||||||||||||
2021 |
|
* | * | * | * | * | * | 0 | * | * | ||||||||||||
2020 |
|
* | * | * | * | * | * | 0 | * | * | ||||||||||||
2019 |
|
* | * | * | * | * | * | 0 | * | * | ||||||||||||
2018 |
|
* | * | * | * | * | * | 0 | * | * | ||||||||||||
2017 |
|
* | * | * | * | * | * | 0 | * | * | ||||||||||||
2016 |
|
* | * | * | * | * | * | 0 | * | * | ||||||||||||
2015 |
|
* | * | * | * | * | * | 0 | * | * | ||||||||||||
2014 |
|
0.1 | 0.23 | * | 0.84 | 1.0 | 0.295 | 15 | 0.05 | * | ||||||||||||
2013 |
|
0.15 | 0.27 | 0.455 | 1.0 | 1.5 | 0.336 | 29 | 0.05 | 118 | ||||||||||||
2012 |
|
0.18 | 0.32 | 0.425 | 0.76 | 1.4 | 0.26 | 29 | 0.05 | 110 | ||||||||||||
2011 |
|
0.2 | 0.41 | 0.516 | 0.89 | 1.4 | 0.292 | 27 | 0.05 | 134 | ||||||||||||
2010 |
|
0.21 | 0.4 | 0.547 | 1.0 | 1.4 | 0.335 | 29 | 0.05 | 142 | ||||||||||||
2009 |
|
0.13 | 0.48 | 0.587 | 1.1 | 1.6 | 0.389 | 31 | 0.05 | 153 | ||||||||||||
2008 |
|
0.23 | 0.46 | 0.571 | 1.1 | 1.4 | 0.31 | 30 | 0.05 | 149 | ||||||||||||
2007 |
|
0.2 | 0.45 | 0.601 | 1.34 | 1.7 | 0.417 | 29 | 0.05 | 156 | ||||||||||||
2006 |
|
0.18 | 0.53 | 0.689 | 1.3 | 2.2 | 0.478 | 31 | 0.05 | 179 | ||||||||||||
2005 |
|
0.2 | 0.61 | 0.832 | 1.76 | 2.2 | 0.608 | 29 | 0.05 | 216 | ||||||||||||
2004 |
|
0.25 | 0.67 | 0.754 | 1.3 | 1.6 | 0.38 | 31 | 0.05 | 196 | ||||||||||||
2003 |
|
0.36 | 0.65 | * | 1.35 | 3.1 | 0.576 | 26 | 0.05 | * | ||||||||||||
2002 |
|
0.21 | 0.71 | 1.01 | 2.1 | 2.6 | 0.656 | 31 | 0.05 | 261 | ||||||||||||
2001 |
|
0.39 | 0.8 | 1.06 | 1.9 | 3.8 | 0.814 | 30 | 0.05 | 275 | ||||||||||||
2000 |
|
0.4 | 1.1 | 1.27 | 2.6 | 3.0 | 0.75 | 29 | 0.2 | 329 | ||||||||||||
1999 |
|
0.1 | 1.3 | 1.64 | 3.3 | 4.4 | 1.12 | 29 | 0.2 | 426 | ||||||||||||
1998 |
|
0.1 | 1.4 | 1.66 | 3.1 | 4.0 | 0.93 | 29 | 0.2 | 432 | ||||||||||||
1997 |
|
0.5 | 1.4 | 1.48 | 2.9 | 3.9 | 0.93 | 30 | 0.2 | 385 | ||||||||||||
1996 |
|
0.25 | 1.8 | 1.91 | 2.8 | 7.4 | 1.26 | 30 | 0.5 | 497 | ||||||||||||
1995 |
|
0.25 | 2.3 | 2.45 | 3.7 | 6.7 | 1.43 | 31 | 0.5 | 638 | ||||||||||||
1994 |
|
0.25 | 3.2 | 3.33 | 4.8 | 7.7 | 1.61 | 29 | 0.5 | 867 | ||||||||||||
1993 |
|
0.25 | 2.2 | 2.63 | 4.5 | 5.5 | 1.33 | 33 | 0.5 | 685 | ||||||||||||
1992 |
|
1.0 | 3.2 | 3.44 | 5.6 | 6.3 | 1.45 | 30 | 0.5 | 895 | ||||||||||||
1991 |
|
0.25 | 3.4 | 3.91 | 7.5 | 8.4 | 2.37 | 29 | 0.5 | 1018 | ||||||||||||
1990 |
|
2.0 | 3.9 | 4.79 | 8.4 | 10 | 2.32 | 31 | 0.5 | 1247 | ||||||||||||
1989 |
|
1.7 | 4.8 | * | 10.9 | 11 | 3.13 | 12 | 0.5 | * | ||||||||||||
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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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