DART Adult Passage 4 Year Rolling Geometric Mean 50% Passage DOY for Spring Chinook Forecast Dates at Bonneville, Date Range 3/15-6/15
Year Annual Count Data Points First 5% 10% 50% 90% 95% Last 4 Year Rolling Geometric Mean
50% Passage DOY
2017 * 107516 93 03/15 (74) 05/04 (124) 05/05 (125) 05/22 (142) 06/09 (160) 06/12 (163) 06/15 (166) 127
2016 168510 93 03/14 (74) 04/21 (112) 04/26 (117) 05/06 (127) 06/08 (160) 06/11 (163) 06/14 (166) 124
2015 265328 93 03/15 (74) 04/15 (105) 04/18 (108) 04/30 (120) 06/08 (159) 06/11 (162) 06/15 (166) 125
2014 224941 93 03/15 (74) 04/18 (108) 04/22 (112) 05/04 (124) 06/07 (158) 06/11 (162) 06/15 (166) 127
2013 112888 93 03/15 (74) 04/24 (114) 04/26 (116) 05/08 (128) 06/10 (161) 06/13 (164) 06/15 (166) 127
2012 183897 93 03/14 (74) 04/23 (114) 04/26 (117) 05/11 (132) 06/04 (156) 06/10 (162) 06/14 (166) 128
2011 205382 93 03/15 (74) 04/27 (117) 04/29 (119) 05/08 (128) 06/08 (159) 06/12 (163) 06/15 (166) 127
2010 277351 93 03/15 (74) 04/14 (104) 04/16 (106) 05/01 (121) 06/02 (153) 06/08 (159) 06/15 (166) 127
2009 147470 93 03/15 (74) 04/23 (113) 04/27 (117) 05/13 (133) 06/09 (160) 06/12 (163) 06/15 (166) 130
2008 150082 93 03/14 (74) 04/15 (106) 04/21 (112) 05/09 (130) 06/07 (159) 06/11 (163) 06/14 (166) 128
2007 80807 93 03/15 (74) 04/17 (107) 04/20 (110) 05/06 (126) 06/07 (158) 06/12 (163) 06/15 (166) 125
2006 126156 93 03/17 (76) 04/30 (120) 05/03 (123) 05/12 (132) 06/11 (162) 06/13 (164) 06/15 (166) 122
2005 97382 93 03/15 (74) 04/22 (112) 04/24 (114) 05/07 (127) 06/11 (162) 06/13 (164) 06/15 (166) 119
2004 196290 93 03/14 (74) 04/13 (104) 04/16 (107) 04/27 (118) 06/04 (156) 06/10 (162) 06/14 (166) 115
2003 225741 93 03/15 (74) 03/30 (89) 04/04 (94) 04/24 (114) 06/06 (157) 06/10 (161) 06/15 (166) 114
2002 308180 93 03/15 (74) 04/13 (103) 04/18 (108) 05/01 (121) 06/04 (155) 06/11 (162) 06/15 (166) 116
2001 414628 93 03/15 (74) 04/03 (93) 04/05 (95) 04/18 (108) 05/24 (144) 06/02 (153) 06/15 (166) 116
2000 185774 92 03/15 (75) 04/04 (95) 04/10 (101) 04/25 (116) 05/17 (138) 05/29 (150) 06/14 (166) 118
1999 43023 93 03/18 (77) 04/13 (103) 04/17 (107) 05/03 (123) 06/01 (152) 06/10 (161) 06/15 (166) 121
1998 44267 93 03/15 (74) 04/07 (97) 04/11 (101) 04/28 (118) 06/06 (157) 06/11 (162) 06/15 (166) 120
1997 124252 93 03/15 (74) 04/09 (99) 04/12 (102) 04/29 (119) 05/29 (149) 06/06 (157) 06/15 (166) 120
1996 55235 92 03/21 (81) 04/13 (104) 04/19 (110) 05/06 (127) 05/24 (145) 06/04 (156) 06/14 (166) 119
1995 12781 93 03/15 (74) 04/06 (96) 04/09 (99) 04/29 (119) 06/09 (160) 06/12 (163) 06/15 (166) 115
1994 23160 93 03/15 (74) 04/05 (95) 04/11 (101) 04/26 (116) 06/05 (156) 06/11 (162) 06/15 (166) 114
1993 118940 93 03/15 (74) 04/14 (104) 04/15 (105) 04/26 (116) 05/25 (145) 06/04 (155) 06/15 (166) 113
1992 93739 92 03/15 (75) 04/03 (94) 04/07 (98) 04/21 (112) 05/21 (142) 06/02 (154) 06/14 (166) 113
1991 61923 93 03/16 (75) 04/05 (95) 04/12 (102) 04/25 (115) 05/23 (143) 06/07 (158) 06/15 (166) 113
1990 100366 93 03/15 (74) 04/06 (96) 04/09 (99) 04/23 (113) 05/19 (139) 06/04 (155) 06/15 (166) 113
1989 87883 93 03/17 (76) 04/11 (101) 04/13 (103) 04/26 (116) 05/24 (144) 06/06 (157) 06/15 (166) 113
1988 98378 93 03/14 (74) 04/02 (93) 04/05 (96) 04/19 (110) 05/28 (149) 06/06 (158) 06/14 (166) 113
1987 108835 93 03/15 (74) 04/03 (93) 04/07 (97) 04/25 (115) 05/31 (151) 06/09 (160) 06/15 (166) 116
1986 125749 93 03/15 (74) 04/05 (95) 04/08 (98) 04/23 (113) 05/22 (142) 06/03 (154) 06/15 (166) 118
1985 88932 93 03/15 (74) 04/03 (93) 04/07 (97) 04/27 (117) 05/24 (144) 06/04 (155) 06/15 (166) 121
1984 50310 92 03/15 (75) 04/07 (98) 04/11 (102) 04/29 (120) 05/26 (147) 06/04 (156) 06/14 (166) 120
1983 59891 93 03/16 (75) 04/13 (103) 04/16 (106) 05/04 (124) 05/29 (149) 06/07 (158) 06/15 (166) 120
1982 75888 93 03/15 (74) 04/10 (100) 04/15 (105) 05/04 (124) 05/27 (147) 06/05 (156) 06/15 (166) 119
1981 66453 93 03/15 (74) 04/04 (94) 04/07 (97) 04/23 (113) 05/21 (141) 06/02 (153) 06/15 (166) 116
1980 57077 92 03/15 (75) 04/09 (100) 04/14 (105) 04/30 (121) 05/23 (144) 06/05 (157) 06/14 (166) 115
1979 58234 93 03/15 (74) 04/06 (96) 04/08 (98) 04/30 (120) 06/03 (154) 06/10 (161) 06/15 (166) 116
1978 163158 93 03/15 (74) 04/04 (94) 04/08 (98) 04/24 (114) 05/28 (148) 06/07 (158) 06/15 (166) 116
1977 129393 93 03/15 (74) 04/02 (92) 04/05 (95) 04/19 (109) 05/24 (144) 06/06 (157) 06/15 (166) 119
1976 125598 92 03/15 (75) 04/09 (100) 04/12 (103) 05/01 (122) 05/31 (152) 06/08 (160) 06/14 (166) 119
1975 111655 93 03/15 (74) 04/12 (102) 04/15 (105) 05/03 (123) 05/25 (145) 06/05 (156) 06/15 (166) 118
1974 142994 93 03/15 (74) 04/15 (105) 04/19 (109) 05/04 (124) 05/24 (144) 06/02 (153) 06/15 (166) 117
1973 155688 93 03/15 (74) 04/03 (93) 04/06 (96) 04/19 (109) 05/28 (148) 06/08 (159) 06/15 (166) 115
1972 192098 92 03/15 (75) 04/13 (104) 04/16 (107) 04/26 (117) 05/05 (126) 05/15 (136) 06/14 (166) 119
1971 137677 93 03/17 (76) 04/14 (104) 04/19 (109) 05/02 (122) 05/29 (149) 06/10 (161) 06/15 (166) 119
1970 125269 93 03/15 (74) 04/06 (96) 04/08 (98) 04/25 (115) 06/05 (156) 06/11 (162) 06/15 (166) 116
1969 196296 93 03/16 (75) 04/15 (105) 04/18 (108) 05/06 (126) 06/05 (156) 06/10 (161) 06/15 (166) 116
1968 117612 93 03/14 (74) 04/06 (97) 04/10 (101) 04/25 (116) 06/08 (160) 06/11 (163) 06/14 (166) 112
1967 93433 93 03/15 (74) 04/05 (95) 04/08 (98) 04/21 (111) 05/25 (145) 06/10 (161) 06/15 (166) 112
1966 122872 93 03/15 (74) 04/05 (95) 04/08 (98) 04/22 (112) 05/23 (143) 06/11 (162) 06/15 (166) 114
1965 92001 93 03/17 (76) 04/05 (95) 04/07 (97) 04/22 (112) 05/27 (147) 06/11 (162) 06/15 (166) 116
1964 92648 93 03/14 (74) 04/02 (93) 04/08 (99) 04/23 (114) 05/06 (127) 05/12 (133) 06/14 (166) 117
1963 90908 93 03/15 (74) 04/04 (94) 04/12 (102) 04/30 (120) 06/11 (162) 06/13 (164) 06/15 (166) 120
1962 114119 93 03/15 (74) 04/12 (102) 04/15 (105) 04/30 (120) 06/13 (164) 06/14 (165) 06/15 (166) 122
1961 104132 93 03/15 (74) 04/07 (97) 04/09 (99) 04/27 (117) 05/17 (137) 06/03 (154) 06/15 (166) 126
1960 96668 93 03/17 (77) 04/20 (111) 04/24 (115) 05/03 (124) 06/13 (165) 06/14 (166) 06/14 (166) 126
1959 70712 93 03/17 (76) 04/18 (108) 04/20 (110) 05/08 (128) 06/03 (154) 06/10 (161) 06/15 (166) 128
1958 118575 93 03/15 (74) 04/16 (106) 04/22 (112) 05/16 (136) 06/12 (163) 06/14 (165) 06/15 (166) 126
1957 168720 93 03/15 (74) 04/19 (109) 04/20 (110) 04/30 (120) 06/10 (161) 06/13 (164) 06/15 (166) 122
1956 72549 93 03/14 (74) 04/14 (105) 04/21 (112) 05/10 (131) 06/09 (161) 06/12 (164) 06/14 (166) 120
1955 183131 93 03/15 (74) 04/11 (101) 04/19 (109) 05/01 (121) 05/20 (140) 06/04 (155) 06/15 (166) 123
1954 149301 93 03/16 (75) 04/11 (101) 04/14 (104) 04/29 (119) 05/30 (150) 06/07 (158) 06/15 (166) 125
1953 173894 93 03/15 (74) 04/09 (99) 04/12 (102) 04/23 (113) 05/13 (133) 05/19 (139) 06/15 (166) 128
1952 140758 93 03/14 (74) 04/29 (120) 05/07 (128) 05/22 (143) 06/05 (157) 06/09 (161) 06/14 (166) 136
1951 145595 93 03/20 (79) 04/25 (115) 04/27 (117) 05/09 (129) 06/07 (158) 06/12 (163) 06/15 (166) 130
1950 67729 93 03/15 (74) 04/24 (114) 05/01 (121) 05/10 (130) 06/03 (154) 06/08 (159) 06/15 (166) 128
1949 65103 93 03/20 (79) 04/27 (117) 05/02 (122) 05/24 (144) 06/08 (159) 06/11 (162) 06/15 (166) 128
1948 44843 93 03/14 (74) 04/13 (104) 04/15 (106) 04/30 (121) 05/21 (142) 05/29 (150) 06/14 (166) 123
1947 143966 93 03/17 (76) 04/14 (104) 04/15 (105) 04/29 (119) 05/27 (147) 06/06 (157) 06/15 (166) 124
1946 81456 93 03/21 (80) 04/17 (107) 04/22 (112) 05/13 (133) 06/11 (162) 06/13 (164) 06/15 (166) 126
1945 47191 93 03/15 (74) 04/19 (109) 04/22 (112) 05/03 (123) 05/29 (149) 06/06 (157) 06/15 (166) 125
1944 32808 93 03/15 (75) 04/12 (103) 04/21 (112) 05/01 (122) 05/28 (149) 06/02 (154) 06/14 (166) 123
1943 67874 93 03/18 (77) 04/28 (118) 04/29 (119) 05/09 (129) 05/21 (141) 05/27 (147) 06/15 (166) 122
1942 46237 93 03/16 (75) 04/21 (111) 04/23 (113) 05/07 (127) 06/06 (157) 06/09 (160) 06/15 (166) 119
1941 75938 93 03/16 (75) 04/04 (94) 04/10 (100) 04/26 (116) 05/22 (142) 05/30 (150) 06/15 (166) 121
1940 69073 93 03/14 (74) 04/16 (107) 04/18 (109) 04/29 (120) 05/22 (143) 05/29 (150) 06/14 (166)  
1939 78928 93 03/15 (74) 04/13 (103) 04/17 (107) 04/26 (116) 05/17 (137) 05/27 (147) 06/15 (166)  
1938 26961 46 05/01 (121) 05/08 (128) 05/09 (129) 05/14 (134) 06/08 (159) 06/12 (163) 06/15 (166)  
* 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 Forecast Dates at Bonneville, Date Range 3/15-6/15.
Generated
24 Sep 2017 03:42:33 PDT. Columbia River DART (Data Access in Real Time) www.cbr.washington.edu/dart.