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Read About Estimated Risk |
Year | Months Present |
Minimum | Median | Mean | 90th Percentile |
Maximum | Standard Deviation |
Number of Observations |
Detection Limit |
Estimated Risk |
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2005 | * | * | * | * | * | * | 0 | * | * | |||||||||||||
2004 | * | * | * | * | * | * | 0 | * | * | |||||||||||||
2003 | * | * | * | * | * | * | 0 | * | * | |||||||||||||
2002 | 0.025 | * | * | * | 0.86 | 0.327 | 10 | 0.05 | * | |||||||||||||
2001 | 0.025 | 0.07 | 0.218 | 0.41 | 2.7 | 0.506 | 31 | 0.05 | 0.07 | |||||||||||||
2000 | 0.025 | 0.05 | 0.245 | 0.84 | 1.6 | 0.376 | 30 | 0.05 | 0.08 | |||||||||||||
1999 | 0.025 | 0.10 | 0.310 | 1.01 | 1.9 | 0.443 | 30 | 0.05 | 0.1 | |||||||||||||
1998 | 0.025 | 0.10 | 0.289 | 0.93 | 1.5 | 0.402 | 31 | 0.05 | 0.09 | |||||||||||||
1997 | 0.025 | 0.08 | 0.300 | 0.62 | 2.1 | 0.464 | 30 | 0.05 | 0.1 | |||||||||||||
1996 | 0.025 | 0.09 | 0.223 | 0.62 | 1.1 | 0.283 | 24 | 0.05 | 0.07 | |||||||||||||
1995 | 0.025 | 0.20 | 0.398 | 0.79 | 2.9 | 0.604 | 24 | 0.05 | 0.1 | |||||||||||||
1994 | 0.13 | 0.55 | * | 2.45 | 3.8 | 1.08 | 14 | 0.05 | * | |||||||||||||
1993 | 0.06 | 0.22 | 0.704 | 2.17 | 3.4 | 0.957 | 24 | 0.05 | 0.2 | |||||||||||||
1992 | 0.025 | 0.19 | 0.589 | 1.93 | 2.9 | 0.848 | 24 | 0.05 | 0.2 | |||||||||||||
1991 | 0.06 | 0.18 | 0.507 | 1.5 | 1.9 | 0.577 | 24 | 0.05 | 0.2 | |||||||||||||
1990 | 0.20 | * | * | * | 4.8 | 1.55 | 8 | 0.05 | * | |||||||||||||
1989 | * | * | * | * | * | * | 0 | * | * | |||||||||||||
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. |