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Stream Protection Duration <br /> Annual Peaks for Predeveloped and Mitigated. POC #1 <br /> Year Predeveloped Mitigated <br /> 1949 0.419 0.381 <br /> 1950 0.488 0.441 <br /> 1951 0.477 0.412 <br /> 1952 0.383 0.336 <br /> 1953 0.503 0.444 <br /> 1954 0.626 0.575 <br /> 1955 0.476 0.414 <br /> 1956 0.216 0.190 <br /> 1957 0.368 0.338 <br /> 1958 0.925 0.843 <br /> 1959 0.380 0.332 <br /> 1960 0.360 0.326 <br /> 1961 1.207 1.125 <br /> 1962 0.465 0.402 <br /> 1963 0.527 0.483 <br /> 1964 0.286 0.255 <br /> 1965 0.333 0.288 <br /> 1966 0.336 0.292 <br /> 1967 0.817 0.709 <br /> 1968 0.435 0.384 <br /> 1969 0.821 0.765 <br /> 1970 0.324 0.284 <br /> 1971 0.457 0.411 <br /> 1972 0.582 0.527 <br /> 1973 0.479 0.428 <br /> 1974 0.590 0.526 <br /> 1975 0.456 0.411 <br /> 1976 0.318 0.281 <br /> 1977 0.323 0.281 <br /> 1978 0.244 0.211 <br /> 1979 0.538 0.490 <br /> 1980 0.313 0.271 <br /> 1981 0.322 0.283 <br /> 1982 0.326 0.282 <br /> 1983 0.432 0.389 <br /> 1984 0.402 0.352 <br /> 1985 0.579 0.502 <br /> 1986 0.531 0.483 <br /> 1987 0.474 0.420 <br /> 1988 0.381 0.334 <br /> 1989 0.395 0.356 <br /> 1990 0.300 0.264 <br /> 1991 0.391 0.338 <br /> 1992 0.375 0.335 <br /> 1993 0.294 0.259 <br /> 1994 0.321 0.277 <br /> 1995 0.301 0.261 <br /> 1996 0.432 0.375 <br /> 1997 0.463 0.435 <br /> 1998 0.522 0.469 <br /> 1999 0.241 0.212 <br /> 2000 0.816 0.715 <br /> 2001 0.294 0.254 <br />