Graph

Common Nighthawk
(Chordeiles minor)

Breeding Bird Survey (BBS) - Canadian analysis

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

Geographic area or population: Great Basin

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
19702.361.324.73
19712.121.074.09
19722.041.063.81
19731.981.113.57
19741.840.9843.46
19751.630.8142.93
19761.640.8232.82
19771.720.9993.18
19781.670.9842.9
19791.540.8972.68
19801.530.9482.63
19811.470.9072.5
19821.571.013.11
19831.240.6942.07
19841.340.8922.4
19851.060.5381.74
19861.090.5931.81
19871.250.8322.47
19881.020.5941.61
19890.9110.4581.47
19900.9490.5891.55
19910.9510.6321.66
19920.8590.5371.36
19930.870.591.43
19940.8880.6061.53
19950.8030.5461.32
19960.7910.5421.41
19970.80.5571.49
19980.7330.5081.28
19990.6390.4151.01
20000.5910.3620.919
20010.5770.3550.932
20020.490.2630.758
20030.5280.3470.791
20040.550.3610.931
20050.4450.2420.694
20060.4360.260.68
20070.4450.2920.699
20080.3880.2160.61
20090.4160.2590.704
20100.4260.2710.719
20110.3610.2030.563
20120.3550.2140.601
20130.3480.2080.603
20140.3220.1850.531
20150.3390.2080.621
20160.3060.1820.536

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