- December 9 Montana, Nevada, New Mexico, Wyoming
- November 25 California, Eastern States
- November 11 Alaska, Arizona, Idaho
- October 28 Colorado, Oregon, Utah
- October 14 Nevada, Wyoming
- September 30 California, Eastern States, Montana
- September 16 Colorado, Idaho, Oregon
- September 2 Arizona, New Mexico, Utah
- August 19 Alaska, California, Eastern States
- August 5 Nevada, New Mexico, Oregon
- July 22 Colorado, Montana, Utah
- July 8 Arizona, Idaho, Wyoming
- June 24 California, New Mexico
- June 10 Colorado, Montana, South Dakota, Wyoming
- May 27 Arizona, Eastern States, California, Oregon
- May 13 Idaho, Nevada, Utah
- April 29 California, Colorado, Oregon
- April 15 Eastern States, New Mexico
- April 1 Arizona, Montana, Wyoming
- March 18 Idaho, Nevada, Office of Fire and Aviation, Utah
- March 4 Eastern States, Montana
- February 18 Colorado, New Mexico, Oregon, Office of Fire and Aviation
- February 4 California, Nevada, Utah
- January 21 Arizona, Idaho, Wyoming
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