Graph

Common Nighthawk
(Chordeiles minor)

Breeding Bird Survey (BBS) - Canadian analysis

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

Geographic area or population: Prairie Potholes

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
19700.160.0910.308
19710.1570.0910.286
19720.1710.1040.322
19730.1580.0940.29
19740.1670.1050.306
19750.1570.0960.269
19760.1570.0960.279
19770.1580.0970.28
19780.1590.10.279
19790.160.1010.271
19800.1510.0950.266
19810.1610.1020.273
19820.1550.0980.259
19830.1690.1090.281
19840.1660.1090.268
19850.1640.1070.264
19860.1670.1080.267
19870.1820.1240.301
19880.1870.1270.305
19890.1670.1130.262
19900.1940.1340.321
19910.1740.1190.267
19920.1820.1290.281
19930.1830.1260.274
19940.1710.1130.25
19950.1750.1170.26
19960.1780.1280.259
19970.1830.1230.266
19980.2010.1430.294
19990.1830.1250.267
20000.1820.1230.272
20010.1970.1410.287
20020.2140.1570.325
20030.2030.1460.295
20040.1890.1250.271
20050.2070.1460.309
20060.2210.1590.33
20070.2140.1420.315
20080.2110.1430.311
20090.220.1540.345
20100.2260.1480.34
20110.2310.1490.354
20120.2290.1610.383
20130.2220.1450.358
20140.2230.1450.353
20150.2630.1760.439
20160.2470.160.409

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