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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 |
|
0.02 | 0.02 | 0.062 | 0.14 | 0.28 | 0.068 | 30 | 0.04 | 67 | ||||||||||||
2012 |
|
0.02 | 0.02 | 0.055 | 0.12 | 0.20 | 0.049 | 30 | 0.04 | 59 | ||||||||||||
2011 |
|
0.02 | 0.04 | 0.066 | 0.16 | 0.21 | 0.058 | 31 | 0.04 | 72 | ||||||||||||
2010 |
|
0.02 | 0.04 | 0.063 | 0.13 | 0.24 | 0.056 | 30 | 0.04 | 68 | ||||||||||||
2009 |
|
0.02 | 0.05 | 0.073 | 0.19 | 0.30 | 0.073 | 31 | 0.04 | 79 | ||||||||||||
2008 |
|
0.02 | 0.05 | 0.068 | 0.16 | 0.23 | 0.062 | 30 | 0.04 | 74 | ||||||||||||
2007 |
|
0.02 | 0.05 | 0.090 | 0.16 | 0.35 | 0.078 | 28 | 0.04 | 97 | ||||||||||||
2006 |
|
0.02 | 0.02 | 0.073 | 0.21 | 0.39 | 0.091 | 32 | 0.04 | 79 | ||||||||||||
2005 |
|
0.02 | 0.02 | 0.082 | 0.19 | 0.38 | 0.088 | 28 | 0.04 | 88 | ||||||||||||
2004 |
|
0.02 | 0.08 | 0.077 | 0.16 | 0.20 | 0.057 | 30 | 0.04 | 84 | ||||||||||||
2003 |
|
0.02 | 0.06 | 0.101 | 0.24 | 0.38 | 0.095 | 30 | 0.04 | 109 | ||||||||||||
2002 |
|
0.02 | 0.08 | 0.133 | 0.31 | 0.40 | 0.109 | 29 | 0.04 | 144 | ||||||||||||
2001 |
|
0.02 | 0.10 | 0.162 | 0.39 | 0.66 | 0.167 | 30 | 0.04 | 175 | ||||||||||||
2000 |
|
0.02 | 0.09 | 0.182 | 0.38 | 0.69 | 0.178 | 29 | 0.04 | 197 | ||||||||||||
1999 |
|
0.02 | 0.11 | 0.240 | 0.47 | 0.79 | 0.205 | 29 | 0.04 | 259 | ||||||||||||
1998 |
|
0.02 | 0.11 | 0.240 | 0.56 | 0.81 | 0.226 | 26 | 0.04 | 259 | ||||||||||||
1997 |
|
0.02 | 0.15 | 0.235 | 0.42 | 0.76 | 0.188 | 27 | 0.04 | 254 | ||||||||||||
1996 |
|
0.02 | 0.17 | 0.252 | 0.47 | 0.90 | 0.216 | 30 | 0.04 | 272 | ||||||||||||
1995 |
|
0.08 | 0.20 | 0.279 | 0.61 | 0.77 | 0.194 | 29 | 0.04 | 301 | ||||||||||||
1994 |
|
0.02 | 0.26 | * | 0.73 | 0.89 | 0.245 | 28 | 0.04 | * | ||||||||||||
1993 |
|
0.02 | 0.25 | 0.398 | 0.85 | 1.3 | 0.340 | 28 | 0.04 | 431 | ||||||||||||
1992 |
|
0.02 | 0.20 | 0.331 | 0.79 | 0.88 | 0.269 | 28 | 0.04 | 358 | ||||||||||||
1991 |
|
0.02 | 0.16 | 0.332 | 0.75 | 1.0 | 0.285 | 29 | 0.04 | 359 | ||||||||||||
1990 |
|
0.07 | 0.30 | 0.387 | 0.88 | 1.2 | 0.306 | 31 | 0.04 | 418 | ||||||||||||
1989 |
|
0.11 | 0.35 | 0.447 | 0.98 | 1.4 | 0.359 | 22 | 0.04 | 483 | ||||||||||||
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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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