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Old Ottawa South Community Association

  • Ottawa South History Project

Rideau River Historical Peak Flows (Highs and Lows)

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Rideau Valley Conservation Authority - Station No. 02LA004 (Carleton University)

Extremes of Discharges (m3/s) for the period of record
  Maximum Maximum Minimum   Minimum
Year Instantaneous Discharge Time Day Daily Discharge   Day Daily Discharge   Day Year August
1937 ---         144   May 12 2.52   Sept 3 1937  
1943 ---         221   May 14 3.60   June 10 1943  
1945 ---         320   May 19         1945  
1947 ---         538   Apr 12 8.55   Oct 26 1947 9.91
1948 ---                 6.46   Nov 3 1948 6.46
1949 ---         379   Mar 30 4.59   Oct 26 1949 5.92
1950 ---         447   Apr 6 5.89   July 22 1950 6.34
1951 ---         419   Apr 2 4.98   May 16 1951 8.55
1952 ---         379   Apr 6 7.08   July 7 1952 11.30
1953 ---         331   Mar 28 7.08   Nov 3 1953  
1954 ---         405   Apr 8 9.40   July 31 1954 9.40
1955 ---         493   Apr 6 4.53   May 25 1955 5.66
1956 ---         351   Apr 5 3.91   Sept 17 1956 6.57
1957 ---         133   Mar 15 2.97   Dec 19 1957 4.16
1958 ---         306   Mar 31 3.31 B Jan 13 1958 5.89
1959 ---         413   Apr 6 4.84   Oct 16 1959 6.80
1960 ---         532   Apr 14 3.14   Dec 1 1960 6.80
1961 ---         193   Mar 30 3.06 B Feb 10 1961 6.12
1962 ---         323 B Apr 1 4.39 B Mar 5 1962 6.94
1963 ---         442   Mar 31 4.50   July 4 1963 5.55
1964 ---         109   Apr 23 3.65   Dec 22 1964 5.10
1965 ---         146   Dec 31 3.48 B Feb 1 1965 5.78
1966 ---         215 B Mar 6 5.21   July 7 1966 5.64
1967 ---         311   Apr 3 7.70   Sept 19 1967 8.55
1968 ---         377   Mar 30 7.33   Aug 15 1968 7.33
1969 ---         328   Apr 8 4.39   Sept 29 1969 8.95
1970 ---         442   Apr 14 5.95   July 13 1970 5.95
1971 513 00:30 EST Apr 19 496   Apr 19 4.87   Nov 8 1971 6.60
1972 578 18:30 EST Apr 20 535   Apr 21 6.57   Sept 25 1972 10.50
1973 464 02:00 EST Mar 18 447   Mar 18 5.97   July 31 1973 6.20
1974 ---         396   Apr 6 6.26   Aug 28 1974 6.26
1975 413 18:20 EST Apr 19 394   Apr 20 4.59   Aug 20 1975 4.59
1976 597 (*) 04:29 EST Mar 28 583   Mar 28 7.33   Aug 31 1976 7.33
1977 473 04:24 EST Mar 16 467   Mar 15 2.72   July 25 1977 3.91
1978 527 22:09 EST Apr 14 487   Apr 14 2.97   July 14 1978 3.77
1979 423 20:28 EST Mar 25 403   Mar 25 2.78   July 25 1979 5.00
1980 421 18:00 EST Mar 22 385 B Mar 22 3.05   June 13 1980 4.95
1981 446 15:45 EST Feb 24 435   Feb 24 1.78   Apr 28 1981 9.04
1982 435 20:25 EST Apr 1 397   Apr 1 4.56   Aug 20 1982 4.56
1983 246 13:18 EST May 4 224   Mar 20 3.41   July 26 1983 4.92
1984 398 21:56 EST Apr 6 385   Apr 6 4.46   July 25 1984 5.39
1985 276 22:46 EST Mar 14 265   Mar 15 1.48 (*)   July 25 *1985 3.61
1986 256 06:28 EST May 23 223   May 24 1.92   Apr 29 1986 25.90
1987 353 14:45 EST Mar 26 334 A Mar 26 3.39   Aug 28 1987 3.39
1988 273 18:57 EST Mar 27 247   Mar 27 3.19   Aug 16 1988 3.19
1989 276 01:00 EST Mar 29 251   Mar 29 3.74 B Feb 28 1989 6.46
1990 264 03:58 EST Mar 18 259   Mar 18 4.85   Aug 25 1990 6.14
1991 326 16:16 EST Apr 10 311   Apr 23 3.60   June 21 1991 4.01
1992 282 00:07 EST Apr 9 270   Apr 8 5.46   June 19 1992 6.17
1993 514 18:19 EST Apr 11 508   Apr 11 6.31   Sept 25 1993 7.35
1994 338 19:12 EST Apr 16 331   Apr 14 5.82   Sept 7 1994 6.26
1995 270 08:26 EST Jan 21 264   Jan 21 2.50   July 14 1995 2.75 (*)
1996 291 12:08 EST Jan 20 278   Jan 21 5.20   Sept 6 1996 6.40
1997 449 12:18 EST Apr 7 442   Apr 7 3.94   Aug 11 1997 3.94
1998 458 1:00 EST Apr 2 451   Mar 31 6.73   May 29 1998  
1999 448 11:00 EST Apr 8 436   Apr 8 3.9   Sept 4 1999  
2000 245 7:00 EST Apr 11 244   Apr 11 5.85   Oct 24 2000  
2001 366 0:01 EST Apr 10 356   Apr 10 2.47   Aug 10 2001  
2002 188     Apr 1 172                  
2003 249     Mar 29 238                  
2004 174     Mar 6 168                  
2005 437 10:55 EST Apr 4 427   Apr 4            
2006 171     Mar 14                    
2007 167     Mar 28                    
                               
Legend
* - all time maximum / minimum flow   B ice in the channel affected instrument reading, value has been biased to compensate
              A required manual reading

 

Last modified on Tuesday, 11 July 2017 11:46

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