Table 49 . -- Percent of fires according to time from origin to discovery within each time class and fuel type 



(Av. 1950-58) 



1 Time in hours 

 linal 0-1 1-2 2 - '6 Z - 5 6 - 12 12-24 24 - 48 48-72 72+ ~ 

 £l ze Fuel type 1/ 



class Spruce Other Spruce Other Spruce Other Spruce Other Spruce Other Spruce Other Spruce Other Spruce Other Spruce Other 



May 



A 35.3 38.8 28.6 30.8 30.0 50.0 25.0 33.3 25.0 25.0 58.3 42.8 22.2 11.1 33.3 55.6 27.3 



B 42.7 41.8 32.1 23.0 60.0 30.0 50.0 26.6 41.7 12.5 16.7 28.6 22.2 33.4 16.7 11.1 36.4 



14.7 14.9 21.4 7.7 20.0 15.0 26.7 26.0 37.5 22.2 44.4 33.3 100 22.2 18.1 



D 4.4 1.8 3.6 7.7 10.0 6.7 8.3 14.3 22.2 11.1 16.7 9.1 



E 2.9 3.0 14.3 30.8 10.0 6.7 8.3 25.0 16.7 14.3 11.2 11.1 9.1 



100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 



June 



A 37.1 51.1 26.4 30.8 31.3 53.8 33.3 36.4 31.2 30.0 51.7 36.8 35.3 7.1 44.4 50.0 25.0 25.0 



B 30.9 17.0 52.6 38.5 31.3 30.8 40.0 18.2 31.2 40.0 10.3 15.8 52.9 21.4 22.2 33.3 37.5 



C 22.2 8.5 10.5 23.0 31.2 7.7 26.7 22.7 31.2 20.0 17.3 26.4 11.8 21.4 11.2 41.7 12.5 



D 8.6 10.6 10.5 6.2 9.1 6.4 10.0 17.3 10.5 28.7 22.2 25.0 



E 1.2 12.8 7.7 7.7 13.6 3.4 10.5 21.4 50.0 0_ 



100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 



July 



A 57.2 29.0 33.3 46.7 36.4 18.2 33.3 30.8 55.6 16.7 53.1 41.7 15.4 55.6 66.7 35.0 33.4 



B 25.4 32.2 29.7 20.0 9.1 27.3 15.2 15.4 33.3 50.0 15.6 33.4 29.2 30.8 25.0 33.3 



C 9.5 19.4 11.1 20.0 18.1 27.2 27.3 23.0 11.1 33.3 3.2 33.3 12.5 38.4 22.2 . 33.3 20.0 



D 9.7 3.7 9.1 3.0 15.4 8.3 10.0 



E 7.9 9.7 22.2 13.3 36.4 18.2 21.2 15.4 28.1 33.3 8.3 15.4 22.2 10.0 33.3 



100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 



August 



A 56.5 55.6 62.5 100 83.3 66.7 63.6 33.4 71.4 50.0 88.2 33.4 41.7 33.3 66.7 50.0 41.6 40.0 



B 21.7 11.1 12.5 16.7 33.3 9.1 33.3 28.6 25.0 11.8 33.3 50.0 16.6 16.7 20.0 



C 4.4 22.2 12.5 18.2 33.3 25.0 33.3 16.7 16.7 16.7 20.0 



D 8. 7 00 00 00 00 00 8. 3 00 00 



E 8.7 11.1 12.5 9.1 CI 33.3 16.7 50.0 25.0 20.0 



100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 



Summary 



A 43.8 41.6 32.9 38.0 39.5 43.2 35.4 33.9 42.8 28.6 60.0 29.7 37.1 14.2 46.9 50.0 37.7 29.6 



B 31.9 30.5 34.2 26.2 30.2 29.7 27.8 21.5 31.0 32.1 13.3 18.9 35.5 31.0 18.8 22.6 33.3 



C 14.9 14.3 14.6 16.7 16.4 16.3 22.8 25.0 21.4 28.6 6.7 21.7 14.5 31.0 15.6 25.0 24.6 14.9 



D 5.2 5.8 4.9 2.4 4.6 2.7 1.4 8.9 2.4 3.6 6.7 13.5 8.1 11.9 9.3 3.8 11.1 



15 4.2 7.8 13.4 16.7 9.3 8.1 12.6 10.7 2.4 7.1 13.3 16.2 4.8 11.9 9.4 25.0 11.3 11.1 



100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 



'Other 1 : Broadleaf , reproduction, brush, grass, tundra, muskeg. 

 Source: Coded IBM runs from individual fire reports, based on 1,149 fires. 



157 



