Graph

Nelson's Sparrow
(Ammospiza nelsoni)

Additional information on: Christmas Bird Count (CBC)

Listing of the individual data points that make up the graph
Year	Annual index	Lower limit	Upper limit
1970	3.92	2.17	8.62
1971	3.82	2.1	8.44
1972	3.67	2.01	8.3
1973	3.63	2.03	7.94
1974	3.56	1.97	7.93
1975	3.5	1.97	7.73
1976	3.48	1.97	7.5
1977	3.39	1.91	7.34
1978	3.37	1.85	7.63
1979	3.46	1.95	7.53
1980	3.52	1.96	7.81
1981	3.32	1.87	7.42
1982	3.26	1.8	7.48
1983	3.03	1.67	6.99
1984	3.14	1.77	7.23
1985	3.03	1.7	6.91
1986	3.33	1.86	7.66
1987	3.3	1.86	7.46
1988	2.86	1.58	6.81
1989	3.02	1.64	7.28
1990	2.93	1.62	7.01
1991	2.71	1.45	6.67
1992	2.82	1.52	6.96
1993	3.13	1.66	7.58
1994	3.65	1.8	10.5
1995	2.87	1.52	7.07
1996	3.05	1.63	7.65
1997	3.04	1.55	7.63
1998	3.53	1.76	9.71
1999	3.32	1.66	8.9
2000	3.38	1.7	9.12
2001	3.37	1.76	8.37
2002	2.99	1.49	7.82
2003	2.81	1.45	7.22
2004	3.09	1.56	7.95
2005	3.16	1.56	8.29
2006	3.17	1.61	8.14
2007	3.32	1.67	8.79
2008	3.08	1.54	8.21
2009	3.26	1.65	8.37
2010	3.2	1.58	8.78
2011	3.14	1.56	8.45
2012	3.36	1.6	9.26
2013	3.92	1.91	10.8
2014	3.14	1.54	8.53
2015	3.24	1.55	8.92
2016	3.89	1.79	11.2

Notes on numeric data: Ex represents 10 to the power of x; For example 1.2345E-2 is equivalent to 0.012345