Table 43 -- Acreage burned by months and causes, 1950-58 



Year 



April 



May 



June 



July 



August 





September 





October 



November 





Total 





Lightning 



X950 





303,775 



29 , 651 



12 , 607 



22 ,080 















368,113 





1951 







4,107 



30,116 



151 















34,374 





1952 







14,289 



1,020 



4 















15,313 





1953 





381 



245,178 



124,243 



4,945 















374 , 747 





1954 





4,203 



1 ,249 , 376 



79,573 



22 , 956 





3 











1,356,111 





1955 







14,374 



6,154 



3,382 















23,910 





1956 







450,823 



6 ,222 

















457,045 





1957 





4,753 



3 , 420 , 608 



1,341,450 



61 , 513 





910 











4,829,234 





1958 





140 



196,341 



45 ,832 



479 















242 ,792 





Av. acres burned 





34,806 



624,972 



183 ,024 



12,834 





LO I 











855,737 





Percent of lightning 





























fires 





4.1 



73.0 



21.4 



1 



5 













100 







Percent of all fires 





3.1 



55 .8 



16.4 



1 



1 













76 



4 











Man-caused 





















1950 



82 



1 ,471 ,608 



45 ,888 



86,474 



34 , 942 





35,758 





123 



14,629 





1 ,689 ,704 





1951 



146 



97,033 



4, 671 



55 ,214 



26 ,238 





2,018 











185 , 320 





195E 





270 



57,251 



63 



127 





3 





774 







58,488 





1953 



2,257 



22,028 



20,229 



43,526 



367 









3,594 







92,001 





1954 



30 



17,082 



1 ,014 



750 



14 , 932 





1 











33,809 





1955 



10 



1,765 



2,729 



8,721 



51 





46 











13 , 322 





1956 





343 



9 ,047 



10 , 106 







1 











19,497 





1957 





4,646 



3,723 



193,267 



110 





3,574 











205 , 320 





1958 



6 , 754 



34, 361 



11 , 289 



20 , 406 



137 





12] 











73 ,068 





Av. acres burned 



1,031 



183,260 



17,316 



46,503 



8,545 





4,614 





499 



1,625 





263,393 





Percent of man-caused 





























fires 



0.4 



69.6 



6.6 



17.7 



3 



2 



1 



7 



0.2 



0. 



6 



100 







Percent of all fires 



0.1 



16.4 



1.5 



4.2 







8 







4 



.0 



0. 



2 



23 



6 











All fires 





















Av. acres burned 



1,031 



218,065 



642,287 



229,527 



21,379 





4,715 





499 



1,625 





1,119,130 





Percent of all fires 



0.1 



19.5 



57.5 



20.5 



1 



9 







4 



.0 







1 



100 







Source: Coded IBM runs from individual fire reports, adjusted to the official totals. 

 (1957 from summary sheets of Area 4). 



Totals from Annual Reports of the Director, BLM (Statistical Appendix). 



151 



