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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 | * | * | ||||||||||||
2013 |
|
0.1 | 0.22 | 0.266 | 0.5 | 0.71 | 0.164 | 30 | 0.05 | 69 | ||||||||||||
2012 |
|
0.1 | 0.23 | 0.312 | 0.57 | 0.85 | 0.186 | 30 | 0.05 | 81 | ||||||||||||
2011 |
|
0.09 | 0.2 | 0.302 | 0.61 | 1.0 | 0.227 | 31 | 0.05 | 79 | ||||||||||||
2010 |
|
0.12 | 0.27 | 0.32 | 0.52 | 0.9 | 0.194 | 30 | 0.05 | 83 | ||||||||||||
2009 |
|
0.09 | 0.23 | 0.332 | 0.65 | 1.0 | 0.226 | 30 | 0.05 | 86 | ||||||||||||
2008 |
|
0.12 | 0.27 | 0.347 | 0.7 | 0.86 | 0.229 | 30 | 0.05 | 90 | ||||||||||||
2007 |
|
0.11 | 0.21 | 0.472 | 0.95 | 2.1 | 0.465 | 28 | 0.05 | 123 | ||||||||||||
2006 |
|
0.14 | 0.27 | 0.399 | 0.88 | 1.3 | 0.309 | 32 | 0.05 | 104 | ||||||||||||
2005 |
|
0.12 | 0.29 | 0.449 | 1.0 | 1.2 | 0.339 | 28 | 0.05 | 117 | ||||||||||||
2004 |
|
0.09 | 0.43 | 0.402 | 0.64 | 0.78 | 0.205 | 30 | 0.05 | 105 | ||||||||||||
2003 |
|
0.19 | 0.47 | 0.561 | 1.1 | 1.3 | 0.322 | 30 | 0.05 | 146 | ||||||||||||
2002 |
|
0.18 | 0.4 | 0.563 | 1.2 | 1.3 | 0.346 | 29 | 0.05 | 146 | ||||||||||||
2001 |
|
0.18 | 0.39 | 0.588 | 1.24 | 2.1 | 0.491 | 30 | 0.05 | 153 | ||||||||||||
2000 |
|
0.1 | 0.5 | 0.74 | 1.6 | 2.2 | 0.58 | 29 | 0.2 | 193 | ||||||||||||
1999 |
|
0.3 | 0.7 | 0.98 | 1.7 | 3.0 | 0.69 | 29 | 0.2 | 256 | ||||||||||||
1998 |
|
0.1 | 0.5 | 0.91 | 1.8 | 2.4 | 0.65 | 26 | 0.2 | 236 | ||||||||||||
1997 |
|
0.1 | 0.8 | 0.89 | 1.6 | 2.8 | 0.66 | 27 | 0.2 | 231 | ||||||||||||
1996 |
|
0.25 | 0.25 | 0.86 | 1.5 | 3.2 | 0.75 | 30 | 0.5 | 223 | ||||||||||||
1995 |
|
0.25 | 1.2 | 1.14 | 2.7 | 3.1 | 0.89 | 29 | 0.5 | 296 | ||||||||||||
1994 |
|
0.25 | 1.8 | * | 2.9 | 3.7 | 1.01 | 27 | 0.5 | * | ||||||||||||
1993 |
|
0.25 | 1.2 | 1.51 | 2.8 | 3.7 | 1.07 | 28 | 0.5 | 394 | ||||||||||||
1992 |
|
0.25 | 1.5 | 1.94 | 3.8 | 4.3 | 1.24 | 29 | 0.5 | 504 | ||||||||||||
1991 |
|
0.25 | 1.8 | 2.20 | 3.8 | 4.9 | 1.29 | 29 | 0.5 | 572 | ||||||||||||
1990 |
|
0.25 | 2.1 | 2.50 | 4.7 | 6.2 | 1.53 | 31 | 0.5 | 650 | ||||||||||||
1989 |
|
0.25 | 2.4 | * | 6.4 | 7.3 | 1.99 | 23 | 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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