DART Adult Passage 4 Year Rolling Geometric Mean 50% Passage DOY for Spring/Summer Chinook at Bonneville, Date Range 3/15-7/31
Year Annual Count Data Points First 5% 10% 50% 90% 95% Last 4 Year Rolling Geometric Mean
50% Passage DOY
2017 * 171660 139 03/15 (74) 05/04 (124) 05/06 (126) 06/02 (153) 07/07 (188) 07/16 (197) 07/31 (212) 142
2016 256081 139 03/14 (74) 04/23 (114) 04/29 (120) 05/25 (146) 07/08 (190) 07/17 (199) 07/30 (212) 142
2015 381985 139 03/15 (74) 04/17 (107) 04/19 (109) 05/19 (139) 07/10 (191) 07/17 (198) 07/31 (212) 140
2014 297812 139 03/15 (74) 04/20 (110) 04/25 (115) 05/12 (132) 07/04 (185) 07/12 (193) 07/31 (212) 138
2013 176396 139 03/15 (74) 04/25 (115) 04/27 (117) 06/04 (155) 07/09 (190) 07/18 (199) 07/31 (212) 137
2012 239382 139 03/14 (74) 04/24 (115) 05/01 (122) 05/15 (136) 07/02 (184) 07/12 (194) 07/30 (212) 134
2011 275376 139 03/15 (74) 04/27 (117) 04/30 (120) 05/13 (133) 07/04 (185) 07/14 (195) 07/31 (212) 134
2010 341989 139 03/15 (74) 04/15 (105) 04/17 (107) 05/06 (126) 06/27 (178) 07/06 (187) 07/31 (212) 135
2009 196461 139 03/15 (74) 04/24 (114) 04/29 (119) 05/22 (142) 07/02 (183) 07/12 (193) 07/31 (212) 142
2008 203525 139 03/14 (74) 04/19 (110) 04/25 (116) 05/16 (137) 06/30 (182) 07/12 (194) 07/30 (212) 144
2007 114506 139 03/15 (74) 04/18 (108) 04/23 (113) 05/18 (138) 07/06 (187) 07/16 (197) 07/31 (212) 142
2006 193975 139 03/17 (76) 05/02 (122) 05/05 (125) 06/01 (152) 07/05 (186) 07/15 (196) 07/31 (212) 139
2005 153246 139 03/15 (74) 04/23 (113) 04/26 (116) 06/02 (153) 07/09 (190) 07/18 (199) 07/31 (212) 133
2004 261846 139 03/14 (74) 04/14 (105) 04/18 (109) 05/07 (128) 07/03 (185) 07/12 (194) 07/30 (212) 122
2003 306818 139 03/15 (74) 03/31 (90) 04/06 (96) 05/08 (128) 07/05 (186) 07/14 (195) 07/31 (212) 120
2002 396249 139 03/15 (74) 04/14 (104) 04/20 (110) 05/06 (126) 07/02 (183) 07/12 (193) 07/31 (212) 121
2001 467523 139 03/15 (74) 04/03 (93) 04/06 (96) 04/19 (109) 06/19 (170) 07/05 (186) 07/31 (212) 121
2000 208492 138 03/15 (75) 04/05 (96) 04/11 (102) 04/27 (118) 06/18 (170) 07/04 (186) 07/30 (212) 125
1999 64838 139 03/18 (77) 04/16 (106) 04/20 (110) 05/14 (134) 07/13 (194) 07/22 (203) 07/31 (212) 128
1998 59775 139 03/15 (74) 04/09 (99) 04/13 (103) 05/06 (126) 07/08 (189) 07/18 (199) 07/31 (212) 135
1997 141939 139 03/15 (74) 04/10 (100) 04/13 (103) 05/04 (124) 06/20 (171) 07/04 (185) 07/31 (212) 139
1996 67377 138 03/21 (81) 04/15 (106) 04/21 (112) 05/09 (130) 06/30 (182) 07/10 (192) 07/30 (212) 137
1995 25222 139 03/15 (74) 04/09 (99) 04/15 (105) 06/14 (165) 07/20 (201) 07/26 (207) 07/31 (212) 133
1994 37800 139 03/15 (74) 04/10 (100) 04/15 (105) 05/21 (141) 07/16 (197) 07/23 (204) 07/31 (212) 122
1993 132865 139 03/15 (74) 04/14 (104) 04/15 (105) 04/27 (117) 06/17 (168) 06/30 (181) 07/31 (212) 116
1992 103385 138 03/15 (75) 04/03 (94) 04/08 (99) 04/24 (115) 06/13 (165) 06/27 (179) 07/30 (212) 116
1991 76236 139 03/16 (75) 04/08 (98) 04/13 (103) 04/28 (118) 07/01 (182) 07/10 (191) 07/31 (212) 117
1990 119141 139 03/15 (74) 04/07 (97) 04/11 (101) 04/25 (115) 06/26 (177) 07/10 (191) 07/31 (212) 117
1989 110055 139 03/17 (76) 04/12 (102) 04/14 (104) 04/30 (120) 07/11 (192) 07/24 (205) 07/31 (212) 117
1988 121387 139 03/14 (74) 04/03 (94) 04/07 (98) 04/25 (116) 07/05 (187) 07/18 (200) 07/30 (212) 117
1987 131402 139 03/15 (74) 04/04 (94) 04/09 (99) 04/29 (119) 06/29 (180) 07/14 (195) 07/31 (212) 120
1986 144293 139 03/15 (74) 04/06 (96) 04/09 (99) 04/26 (116) 06/23 (174) 07/07 (188) 07/31 (212) 123
1985 107418 139 03/15 (74) 04/03 (93) 04/09 (99) 05/01 (121) 06/28 (179) 07/12 (193) 07/31 (212) 125
1984 68987 138 03/15 (75) 04/08 (99) 04/13 (104) 05/06 (127) 07/09 (191) 07/17 (199) 07/30 (212) 125
1983 72944 139 03/16 (75) 04/14 (104) 04/17 (107) 05/09 (129) 06/30 (181) 07/12 (193) 07/31 (212) 126
1982 90140 139 03/15 (74) 04/11 (101) 04/17 (107) 05/07 (127) 06/28 (179) 07/13 (194) 07/31 (212) 127
1981 85190 139 03/15 (74) 04/05 (95) 04/09 (99) 04/30 (120) 07/04 (185) 07/15 (196) 07/31 (212) 124
1980 79877 138 03/15 (75) 04/12 (103) 04/15 (106) 05/09 (130) 07/09 (191) 07/19 (201) 07/30 (212) 122
1979 85679 139 03/15 (74) 04/07 (97) 04/13 (103) 05/13 (133) 07/16 (197) 07/23 (204) 07/31 (212) 123
1978 194186 139 03/15 (74) 04/05 (95) 04/09 (99) 04/27 (117) 06/28 (179) 07/12 (193) 07/31 (212) 122
1977 160531 139 03/15 (74) 04/03 (93) 04/06 (96) 04/23 (113) 07/06 (187) 07/18 (199) 07/31 (212) 124
1976 181808 138 03/15 (75) 04/11 (102) 04/16 (107) 05/10 (131) 07/11 (193) 07/20 (202) 07/30 (212) 124
1975 148455 139 03/15 (74) 04/13 (103) 04/18 (108) 05/08 (128) 07/13 (194) 07/22 (203) 07/31 (212) 121
1974 180431 139 03/15 (74) 04/17 (107) 04/20 (110) 05/08 (128) 07/10 (191) 07/19 (200) 07/31 (212) 124
1973 187508 139 03/15 (74) 04/04 (94) 04/08 (98) 04/22 (112) 07/04 (185) 07/17 (198) 07/31 (212) 122
1972 255945 138 03/15 (75) 04/14 (105) 04/17 (108) 04/28 (119) 07/05 (187) 07/15 (197) 07/30 (212) 127
1971 203428 139 03/17 (76) 04/16 (106) 04/21 (111) 05/19 (139) 07/12 (193) 07/21 (202) 07/31 (212) 132
1970 175854 139 03/15 (74) 04/07 (97) 04/10 (100) 05/02 (122) 07/10 (191) 07/19 (200) 07/31 (212) 137
1969 275741 139 03/16 (75) 04/17 (107) 04/21 (111) 05/12 (132) 07/08 (189) 07/19 (200) 07/31 (212) 136
1968 181008 139 03/14 (74) 04/09 (100) 04/13 (104) 05/15 (136) 07/14 (196) 07/22 (204) 07/30 (212) 139
1967 180407 139 03/15 (74) 04/07 (97) 04/11 (101) 06/12 (163) 07/16 (197) 07/22 (203) 07/31 (212) 137
1966 184507 139 03/15 (74) 04/07 (97) 04/11 (101) 04/30 (120) 07/12 (193) 07/20 (201) 07/31 (212) 131
1965 160243 139 03/17 (76) 04/07 (97) 04/11 (101) 05/23 (143) 07/16 (197) 07/23 (204) 07/31 (212) 135
1964 170753 139 03/14 (74) 04/08 (99) 04/11 (102) 05/08 (129) 07/17 (199) 07/24 (206) 07/30 (212) 130
1963 139337 139 03/15 (74) 04/09 (99) 04/16 (106) 05/17 (137) 07/16 (197) 07/24 (205) 07/31 (212) 138
1962 168591 139 03/15 (74) 04/14 (104) 04/18 (108) 05/13 (133) 07/11 (192) 07/23 (204) 07/31 (212) 146
1961 165129 139 03/15 (74) 04/08 (98) 04/14 (104) 05/05 (125) 07/10 (191) 07/23 (204) 07/31 (212) 151
1960 154378 139 03/17 (77) 04/22 (113) 04/26 (117) 06/10 (162) 07/08 (190) 07/22 (204) 07/30 (212) 159
1959 150052 139 03/17 (76) 04/21 (111) 04/24 (114) 06/19 (170) 07/20 (201) 07/24 (205) 07/31 (212) 161
1958 177064 139 03/15 (74) 04/18 (108) 05/01 (121) 06/04 (155) 07/13 (194) 07/23 (204) 07/31 (212) 149
1957 271444 139 03/15 (74) 04/20 (110) 04/23 (113) 05/31 (151) 07/05 (186) 07/21 (202) 07/31 (212) 141
1956 163706 139 03/14 (74) 04/23 (114) 05/05 (126) 06/19 (171) 07/15 (197) 07/25 (207) 07/30 (212) 132
1955 254519 139 03/15 (74) 04/14 (104) 04/22 (112) 05/04 (124) 07/06 (187) 07/18 (199) 07/31 (212) 127
1954 214117 139 03/16 (75) 04/13 (103) 04/17 (107) 05/05 (125) 07/08 (189) 07/20 (201) 07/31 (212) 131
1953 227873 139 03/15 (74) 04/10 (100) 04/14 (104) 04/26 (116) 07/06 (187) 07/16 (197) 07/31 (212) 136
1952 199409 139 03/14 (74) 05/05 (126) 05/09 (130) 05/27 (148) 07/02 (184) 07/17 (199) 07/30 (212) 145
1951 194171 139 03/20 (79) 04/26 (116) 04/28 (118) 05/21 (141) 07/03 (184) 07/12 (193) 07/31 (212) 151
1950 106893 139 03/15 (74) 04/29 (119) 05/03 (123) 05/24 (144) 07/14 (195) 07/19 (200) 07/31 (212) 145
1949 96805 139 03/20 (79) 04/30 (120) 05/08 (128) 05/30 (150) 07/10 (191) 07/17 (198) 07/31 (212) 145
1948 109797 139 03/14 (74) 04/15 (106) 04/17 (108) 06/20 (172) 07/10 (192) 07/17 (199) 07/30 (212) 142
1947 172318 139 03/17 (76) 04/14 (104) 04/16 (106) 05/01 (121) 06/27 (178) 07/12 (193) 07/31 (212) 131
1946 118853 139 03/21 (80) 04/18 (108) 04/28 (118) 05/22 (142) 07/14 (195) 07/21 (202) 07/31 (212) 134
1945 71116 139 03/15 (74) 04/21 (111) 04/24 (114) 05/19 (139) 07/15 (196) 07/22 (203) 07/31 (212) 132
1944 43005 139 03/15 (75) 04/15 (106) 04/23 (114) 05/06 (127) 07/15 (197) 07/22 (204) 07/30 (212) 127
1943 78966 139 03/18 (77) 04/28 (118) 04/29 (119) 05/11 (131) 07/01 (182) 07/13 (194) 07/31 (212) 126
1942 65087 139 03/16 (75) 04/22 (112) 04/24 (114) 05/14 (134) 07/16 (197) 07/25 (206) 07/31 (212) 123
1941 88691 139 03/16 (75) 04/05 (95) 04/12 (102) 04/28 (118) 07/02 (183) 07/14 (195) 07/31 (212) 125
1940 87904 139 03/14 (74) 04/17 (108) 04/19 (110) 05/03 (124) 07/11 (193) 07/20 (202) 07/30 (212)  
1939 100150 139 03/15 (74) 04/14 (104) 04/18 (108) 04/30 (120) 07/14 (195) 07/25 (206) 07/31 (212)  
1938 37744 90 05/01 (121) 05/09 (129) 05/10 (130) 05/21 (141) 07/16 (197) 07/24 (205) 07/31 (212)  
* 2017 annual count and mean may be incomplete, contains current year data.

Query Notes

  1. Rolling 4 Year Geometric Mean is calculated using the DOY when 50% Passage occurs, within the date range, for the specified Year and the three previous years.
  2. Click 10% and 90% column titles to view the respective graphs for DART Adult Passage 4 Year Rolling Geometric Mean N% Passage DOY for Spring/Summer Chinook at Bonneville, Date Range 3/15-7/31.
Generated
24 Sep 2017 03:43:07 PDT. Columbia River DART (Data Access in Real Time) www.cbr.washington.edu/dart.