DART Adult Passage 4 Year Rolling Geometric Mean 50% Passage DOY for Spring Chinook at Bonneville, Date Range 3/15-5/31
Year Annual Count Data Points First 5% 10% 50% 90% 95% Last 4 Year Rolling Geometric Mean
50% Passage DOY
2017 * 83616 78 03/15 (74) 05/02 (122) 05/04 (124) 05/20 (140) 05/28 (148) 05/29 (149) 05/31 (151) 125
2016 135770 78 03/14 (74) 04/21 (112) 04/23 (114) 05/03 (124) 05/21 (142) 05/26 (147) 05/30 (151) 121
2015 220250 78 03/15 (74) 04/15 (105) 04/18 (108) 04/28 (118) 05/23 (143) 05/27 (147) 05/31 (151) 123
2014 188078 78 03/15 (74) 04/17 (107) 04/21 (111) 05/02 (122) 05/22 (142) 05/26 (146) 05/31 (151) 125
2013 83299 78 03/15 (74) 04/22 (112) 04/25 (115) 05/03 (123) 05/22 (142) 05/27 (147) 05/31 (151) 124
2012 155928 78 03/14 (74) 04/23 (114) 04/25 (116) 05/09 (130) 05/20 (141) 05/25 (146) 05/30 (151) 125
2011 167097 78 03/15 (74) 04/26 (116) 04/28 (118) 05/06 (126) 05/16 (136) 05/23 (143) 05/31 (151) 124
2010 244385 78 03/15 (74) 04/14 (104) 04/16 (106) 04/29 (119) 05/16 (136) 05/26 (146) 05/31 (151) 123
2009 114525 78 03/15 (74) 04/22 (112) 04/25 (115) 05/08 (128) 05/24 (144) 05/28 (148) 05/31 (151) 126
2008 124334 78 03/14 (74) 04/14 (105) 04/20 (111) 05/05 (126) 05/19 (140) 05/26 (147) 05/30 (151) 125
2007 66624 78 03/15 (74) 04/17 (107) 04/19 (109) 05/02 (122) 05/21 (141) 05/27 (147) 05/31 (151) 122
2006 96456 78 03/17 (76) 04/30 (120) 05/02 (122) 05/10 (130) 05/21 (141) 05/24 (144) 05/31 (151) 119
2005 74038 78 03/15 (74) 04/21 (111) 04/23 (113) 05/03 (123) 05/27 (147) 05/29 (149) 05/31 (151) 116
2004 168656 78 03/14 (74) 04/13 (104) 04/15 (106) 04/23 (114) 05/19 (140) 05/24 (145) 05/30 (151) 112
2003 192010 78 03/15 (74) 03/29 (88) 04/02 (92) 04/21 (111) 05/19 (139) 05/25 (145) 05/31 (151) 113
2002 268813 78 03/15 (74) 04/12 (102) 04/16 (106) 04/30 (120) 05/18 (138) 05/26 (146) 05/31 (151) 115
2001 391367 78 03/15 (74) 04/03 (93) 04/05 (95) 04/17 (107) 05/13 (133) 05/23 (143) 05/31 (151) 114
2000 177740 77 03/15 (75) 04/04 (95) 04/10 (101) 04/24 (115) 05/11 (132) 05/19 (140) 05/30 (151) 116
1999 38669 78 03/18 (77) 04/13 (103) 04/17 (107) 05/01 (121) 05/18 (138) 05/25 (145) 05/31 (151) 119
1998 38342 78 03/15 (74) 04/06 (96) 04/10 (100) 04/25 (115) 05/19 (139) 05/25 (145) 05/31 (151) 117
1997 114000 78 03/15 (74) 04/09 (99) 04/11 (101) 04/26 (116) 05/16 (136) 05/23 (143) 05/31 (151) 117
1996 51264 77 03/21 (81) 04/12 (103) 04/19 (110) 05/05 (126) 05/16 (137) 05/21 (142) 05/30 (151) 116
1995 10192 78 03/15 (74) 04/05 (95) 04/08 (98) 04/24 (114) 05/22 (142) 05/27 (147) 05/31 (151) 113
1994 20169 78 03/15 (74) 04/04 (94) 04/11 (101) 04/24 (114) 05/15 (135) 05/24 (144) 05/31 (151) 112
1993 110820 78 03/15 (74) 04/13 (103) 04/15 (105) 04/24 (114) 05/14 (134) 05/22 (142) 05/31 (151) 112
1992 88115 77 03/15 (75) 04/03 (94) 04/07 (98) 04/20 (111) 05/09 (130) 05/19 (140) 05/30 (151) 112
1991 57339 78 03/16 (75) 04/05 (95) 04/11 (101) 04/23 (113) 05/12 (132) 05/18 (138) 05/31 (151) 112
1990 94158 78 03/15 (74) 04/06 (96) 04/09 (99) 04/22 (112) 05/10 (130) 05/17 (137) 05/31 (151) 112
1989 81266 78 03/17 (76) 04/11 (101) 04/13 (103) 04/25 (115) 05/12 (132) 05/19 (139) 05/31 (151) 112
1988 89759 78 03/14 (74) 04/02 (93) 04/04 (95) 04/18 (109) 05/13 (134) 05/21 (142) 05/30 (151) 112
1987 98369 78 03/15 (74) 04/03 (93) 04/07 (97) 04/23 (113) 05/12 (132) 05/21 (141) 05/31 (151) 114
1986 118072 78 03/15 (74) 04/05 (95) 04/08 (98) 04/22 (112) 05/13 (133) 05/20 (140) 05/31 (151) 116
1985 83182 78 03/15 (74) 04/02 (92) 04/07 (97) 04/25 (115) 05/16 (136) 05/22 (142) 05/31 (151) 119
1984 46589 77 03/15 (75) 04/07 (98) 04/10 (101) 04/28 (119) 05/16 (137) 05/23 (144) 05/30 (151) 118
1983 54898 78 03/16 (75) 04/12 (102) 04/16 (106) 05/02 (122) 05/20 (140) 05/24 (144) 05/31 (151) 118
1982 70011 78 03/15 (74) 04/09 (99) 04/14 (104) 05/02 (122) 05/19 (139) 05/24 (144) 05/31 (151) 117
1981 62827 78 03/15 (74) 04/04 (94) 04/06 (96) 04/22 (112) 05/14 (134) 05/21 (141) 05/31 (151) 114
1980 52874 77 03/15 (75) 04/08 (99) 04/13 (104) 04/28 (119) 05/15 (136) 05/20 (141) 05/30 (151) 113
1979 51462 78 03/15 (74) 04/05 (95) 04/08 (98) 04/27 (117) 05/17 (137) 05/23 (143) 05/31 (151) 114
1978 149863 78 03/15 (74) 04/04 (94) 04/07 (97) 04/22 (112) 05/13 (133) 05/21 (141) 05/31 (151) 115
1977 119508 78 03/15 (74) 04/02 (92) 04/05 (95) 04/18 (108) 05/05 (125) 05/13 (133) 05/31 (151) 118
1976 112952 77 03/15 (75) 04/09 (100) 04/12 (103) 04/30 (121) 05/17 (138) 05/22 (143) 05/30 (151) 118
1975 104104 78 03/15 (74) 04/12 (102) 04/15 (105) 05/01 (121) 05/15 (135) 05/23 (143) 05/31 (151) 117
1974 134535 78 03/15 (74) 04/15 (105) 04/19 (109) 05/03 (123) 05/18 (138) 05/24 (144) 05/31 (151) 117
1973 142148 78 03/15 (74) 04/03 (93) 04/06 (96) 04/18 (108) 04/29 (119) 05/11 (131) 05/31 (151) 114
1972 185704 77 03/15 (75) 04/13 (104) 04/16 (107) 04/26 (117) 05/03 (124) 05/08 (129) 05/30 (151) 118
1971 125517 78 03/17 (76) 04/14 (104) 04/18 (108) 05/01 (121) 05/23 (143) 05/26 (146) 05/31 (151) 117
1970 110952 78 03/15 (74) 04/05 (95) 04/08 (98) 04/23 (113) 05/07 (127) 05/14 (134) 05/31 (151) 115
1969 173543 78 03/16 (75) 04/14 (104) 04/18 (108) 05/04 (124) 05/18 (138) 05/23 (143) 05/31 (151) 114
1968 98302 78 03/14 (74) 04/06 (97) 04/09 (100) 04/23 (114) 05/12 (133) 05/20 (141) 05/30 (151) 110
1967 84748 78 03/15 (74) 04/05 (95) 04/07 (97) 04/20 (110) 05/02 (122) 05/10 (130) 05/31 (151) 110
1966 112510 78 03/15 (74) 04/04 (94) 04/08 (98) 04/21 (111) 05/03 (123) 05/07 (127) 05/31 (151) 112
1965 84246 78 03/17 (76) 04/05 (95) 04/07 (97) 04/19 (109) 05/16 (136) 05/22 (142) 05/31 (151) 113
1964 91301 78 03/14 (74) 04/02 (93) 04/08 (99) 04/23 (114) 05/05 (126) 05/10 (131) 05/30 (151) 115
1963 75323 78 03/15 (74) 04/02 (92) 04/09 (99) 04/26 (116) 05/16 (136) 05/20 (140) 05/31 (151) 117
1962 91106 78 03/15 (74) 04/11 (101) 04/14 (104) 04/26 (116) 05/10 (130) 05/18 (138) 05/31 (151) 118
1961 98668 78 03/15 (74) 04/06 (96) 04/09 (99) 04/27 (117) 05/08 (128) 05/17 (137) 05/31 (151) 121
1960 69169 78 03/17 (77) 04/19 (110) 04/22 (113) 04/30 (121) 05/09 (130) 05/15 (136) 05/30 (151) 122
1959 61100 78 03/17 (76) 04/18 (108) 04/20 (110) 05/02 (122) 05/23 (143) 05/27 (147) 05/31 (151) 124
1958 75165 78 03/15 (74) 04/14 (104) 04/17 (107) 05/07 (127) 05/27 (147) 05/30 (150) 05/31 (151) 123
1957 136411 78 03/15 (74) 04/18 (108) 04/20 (110) 04/29 (119) 05/15 (135) 05/30 (150) 05/31 (151) 121
1956 63237 78 03/14 (74) 04/13 (104) 04/19 (110) 05/09 (130) 05/20 (141) 05/21 (142) 05/30 (151) 120
1955 171580 78 03/15 (74) 04/10 (100) 04/17 (107) 04/30 (120) 05/09 (129) 05/17 (137) 05/31 (151) 122
1954 134720 78 03/16 (75) 04/10 (100) 04/13 (103) 04/28 (118) 05/09 (129) 05/12 (132) 05/31 (151) 124
1953 170052 78 03/15 (74) 04/08 (98) 04/12 (102) 04/23 (113) 05/11 (131) 05/17 (137) 05/31 (151) 127
1952 114093 78 03/14 (74) 04/28 (119) 05/06 (127) 05/20 (141) 05/27 (148) 05/29 (150) 05/30 (151) 132
1951 114888 78 03/20 (79) 04/23 (113) 04/27 (117) 05/07 (127) 05/24 (144) 05/27 (147) 05/31 (151) 125
1950 57289 78 03/15 (74) 04/23 (113) 04/29 (119) 05/09 (129) 05/17 (137) 05/25 (145) 05/31 (151) 123
1949 50073 78 03/20 (79) 04/21 (111) 04/30 (120) 05/12 (132) 05/29 (149) 05/30 (150) 05/31 (151) 123
1948 42668 78 03/14 (74) 04/13 (104) 04/14 (105) 04/25 (116) 05/20 (141) 05/21 (142) 05/30 (151) 121
1947 133458 78 03/17 (76) 04/13 (103) 04/15 (105) 04/27 (117) 05/22 (142) 05/25 (145) 05/31 (151) 122
1946 67533 78 03/21 (80) 04/17 (107) 04/19 (109) 05/10 (130) 05/23 (143) 05/26 (146) 05/31 (151) 125
1945 43496 78 03/15 (74) 04/19 (109) 04/21 (111) 05/03 (123) 05/24 (144) 05/27 (147) 05/31 (151) 124
1944 30544 78 03/15 (75) 04/11 (102) 04/20 (111) 04/30 (121) 05/18 (139) 05/26 (147) 05/30 (151) 122
1943 65482 78 03/18 (77) 04/27 (117) 04/29 (119) 05/08 (128) 05/18 (138) 05/23 (143) 05/31 (151) 121
1942 40450 78 03/16 (75) 04/21 (111) 04/23 (113) 05/06 (126) 05/19 (139) 05/23 (143) 05/31 (151) 118
1941 72283 78 03/16 (75) 04/04 (94) 04/10 (100) 04/25 (115) 05/13 (133) 05/23 (143) 05/31 (151) 120
1940 66070 78 03/14 (74) 04/16 (107) 04/18 (109) 04/28 (119) 05/19 (140) 05/22 (143) 05/30 (151)  
1939 76673 78 03/15 (74) 04/13 (103) 04/16 (106) 04/26 (116) 05/15 (135) 05/21 (141) 05/31 (151)  
1938 22967 31 05/01 (121) 05/08 (128) 05/09 (129) 05/13 (133) 05/24 (144) 05/26 (146) 05/31 (151)  
* 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 Chinook at Bonneville, Date Range 3/15-5/31.
Generated
24 Sep 2017 17:56:46 PDT. Columbia River DART (Data Access in Real Time) www.cbr.washington.edu/dart.