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  Home > Water Services > Water Resources > Hydrologic Report >
 2002-2003 HYDROLOGIC REPORT
 Sections
Introduction
Los Angeles County
Flood Control and Water Conservation
Precipitation
Evaporation
Runoff
Reservoirs
Erosion Control
Water Conservation
Acknowledgments
Disclaimer
 Runoff Contents
Station Overview
Station Information
Daily Discharge
Peak Flow 
Location Map
RUNOFF
Stream Gaging Station Peak Flow
  
Season Daily CFS Total
Runoff
(Acre-feet)		 Peak Flow
Maximum Minimum Mean Date CFS
1929-30 N.D. 0.0 N.D. 635.0 Mar 14 1,870
1930-31 226.0 0.0 2.1 1,480 Feb 03 1,530
1931-32 220.0 0.0 2.7 1,940 Jan 31 1,120
1932-33 418.0 0.0 2.3 1,680 Jan 19 1,850
1933-34 1,770.0 0.0 8.0 5,820 Jan 01 4,890
1934-35 219.0 0.0 3.3 2,380 Jan 05 2,280
1935-36 144.0 0.0 2.0 1,420 Feb 12 1,700
1936-37 309.0 0.0 5.4 3,880 Mar 15 2,470
1937-38 997.0 0.0 7.6 5,520 Mar 02 5,010
1938-39 288.0 0.0 4.1 2,990 Jan 05 2,480
1939-40 130.0 0.0 2.4 1,730 Feb 01 1,280
1940-41 219.0 0.0 7.8 5,650 Mar 03 2,080
1941-42 193.0 0.0 2.5 1,810 Dec 10 2,320
1942-43 893.0 0.0 8.4 6,070 Mar 04 4,480
1943-44 454.0 + 5.6 4,100 Feb 22 1,860
1944-45 199.0 0.1 3.1 2,250 Nov 11 2,220
1945-46 342.0 0.1 4.1 3,000 Dec 22 1,600
1946-47 345.0 0.1 5.2 3,800 Nov 13 3,810
1947-48 155.0 0.1 2.8 2,040 Mar 24 2,670
1948-49 95.0 0.2 2.8 2,020 Dec 17 758
1949-50 254.0 0.2 4.3 3,090 Feb 06 1,630
1950-51 106.0 0.2 3.3 2,360 Jan 11 1,620
1951-52 594.0 0.2 12.5 9,040 Jan 16 3,810
1952-53 228.0 0.1 4.5 3,240 Nov 15 3,140
1953-54 369.0 0.2 5.2 3,770 Feb 13 2,410
1954-55 185.0 0.2 4.2 3,020 Jan 18 1,890
1955-56 1,100.0 0.3 7.6 5,520 Jan 26 4,550
1956-57 242.0 0.6 6.1 4,440 Feb 23 3,090
1957-58 544.0 0.3 12.8 9,270 Feb 19 4,830
1958-59 279.0 0.2 4.2 3,020 Jan 06 3,170
1959-60 200.0 0.1 3.8 2,720 Jan 11 1,710
1960-61 153.0 0.3 2.5 1,790 Nov 05 1,480
1961-62 382.0 0.1 9.1 6,270 Feb 12 2,560
1962-63 359.0 0.1 4.0 2,880 Mar 16 2,210
1963-64 196.0 0.2 4.0 2,870 Jan 21 2,210
1964-65 339.0 0.1 6.4 4,610 Apr 09 3,730
1965-66 686.0 0.3 10.7 7,740 Nov 24 3,520
1966-67 662.0 0.4 12.2 8,820 Jan 22 3,550
1967-68 398.0 0.4 6.5 4,740 Mar 08 3,480
1968-69 999.0 0.4 17.0 12,300 Feb 06 3,980
1969-70 486.0 0.3 5.3 1,871 Feb 28 3,430
1970-71 648.0 0.4 7.1 2,601 Nov 29 4,040
1971-72 449.0 0.3 2.5 3,000 Dec 24 2,000
1972-73 555.0 0.3 12.6 9,110 Feb 11 4,450
1973-74 813.0 0.3 7.9 5,720 Jan 07 4,330
1974-75 429.0 0.3 5.6 4,070 Dec 04 6,000
1975-76 274.0 0.3 5.3 3,790 Feb 05 1,820
1976-77 252.0 0.3 6.0 4,340 Oct 22 1,770
1977-78 695.0 0.3 17.0 11,927 Mar 01 5,950
1978-79 836.0 0.3 10.5 7,614 Mar 27 4,484
1979-80 1,240.0 0.3 18.4 13,051 Feb 16 6,660
1980-81 196.0 0.1 5.1 3,720 Mar 19 2,750
1981-82 371.0 0.2 6.0 4,317 Mar 17 2,410
1982-83 1,050.0 0.1 17.8 12,941 Mar 01 7,010
1983-84 235.0 0.4 3.7 2,715 Dec 25 2,480
1984-85 260.0 0.3 4.9 3,543 Dec 19 3,050
1985-86 329.0 0.3 9.2 6,633 Mar 08 4,130
1986-87 177.0 0.6 3.6 2,579 Oct 02 5,670
1987-88 386.0 0.6 7.0 5,048 Dec 04 4,500
1988-89 226.0 0.9 5.2 3,570 Dec 21 1,410
1989-90 530.0 0.9 4.8 3,483 Feb 17 2,010
1990-91 452.0 0.6 7.6 5,437 Mar 01 2,700
1991-92 570.0 0.7 13.8 10,008 Feb 12 6,340
1992-93 796.0 1.0 20.5 14,810 Dec 07 5,880
1993-94 260.0 0.5 7.1 5,157 Mar 24 3,000
1994-95 875.0 0.2 14.3 10,380 Mar 10 8,080
1995-96 462.0 0.4 7.0 5,071 Jan 31 8,110
1996-97 279.0 0.3 8.7 6,260 Jan 15 2,640
1997-98 727.0 0.6 20.2 14,660 Feb 06 7,770
1998-99 142.0 0.3 6.1 4,400 Nov 28 3,500
1999-00 306.0 0.4 8.5 6,170 Feb 21 4,480
2000-01 404.0 0.6 10.2 7,380 Jan 11 3,220
2001-02 325.6 0.8 7.5 5,457.4 Nov 24 6,153
2002-03 881.7 0.5 13.3 9,652.4 Mar 15 5,980
M Data Missing
* Record incomplete
E Estimate
N.D. Not determined
** Record not Computed
+ Less than 0.05 Acre Feet or less than 0.05 CFS, but greater than 0
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