Graph

Common Nighthawk
(Chordeiles minor)

Breeding Bird Survey (BBS) - Canadian analysis

Additional information on: Breeding Bird Survey (BBS) - Canadian analysis

Geographic area or population: Northern Pacific Rainforest

Graph showing the trend of the species through out the observed years
 
Listing of the individual data points that make up the graph
YearAnnual IndexLower limitUpper limit
19700.9260.3661.94
19710.9750.3882.34
19720.9420.3772.12
19730.9280.4511.83
19741.130.6382.24
19750.8940.4351.84
19761.030.5632.26
19770.8620.4281.71
19780.8540.4041.86
19790.8790.4481.76
19800.8590.4341.73
19810.7840.391.5
19820.7930.3871.56
19830.710.3231.35
19840.6820.3131.24
19850.7610.3961.5
19860.7460.4121.52
19870.5420.1750.937
19880.6070.2831.07
19890.6390.3081.13
19900.6210.3191.16
19910.6810.3921.29
19920.760.4641.56
19930.550.2530.955
19940.4440.1330.773
19950.5870.341.01
19960.4970.220.903
19970.5080.2340.886
19980.5780.3291.12
19990.4640.1990.809
20000.4940.2420.891
20010.4140.1640.726
20020.3840.1360.698
20030.560.3371.17
20040.4550.2530.86
20050.4670.2490.953
20060.3690.1510.672
20070.3680.1640.681
20080.3680.1590.674
20090.3820.1770.697
20100.3510.1470.675
20110.3140.1220.6
20120.3480.1640.667
20130.4170.2280.82
20140.3550.1780.698
20150.4350.2490.928
20160.4790.2641.04

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