- December 19 Colorado, Alaska, Eastern States, Montana
- December 12 Utah, New Mexico, Montana
- November 28 Wyoming, Arizona
- November 14 Oregon, Idaho, Nevada
- October 31 Arizona, New Mexico, Eastern States
- October 17 Wyoming, Alaska, Nevada
- October 3 Utah, Idaho
- September 19 Montana, California, Colorado
- September 5 Idaho, Oregon, New Mexico
- August 22 Arizona, Alaska, Eastern States, Idaho
- August 8 Wyoming, Colorado, NIFC
- July 25 California, Montana, Nevada
- July 11 Idaho, NIFC, Oregon, Washington
- June 27 Eastern States, Wyoming, California
- June 13 Montana, Nevada
May 30 Colorado, Arizona, New Mexico - May 16 Utah, South Dakota, Montana, NIFC, Alaska
- May 5 New Mexico, Australia, Eastern States, Oregon
- April 18 Idaho, California, Nevada
- April 4 Arizona, Colorado, Wyoming
- March 21 California, Idaho, New Mexico
- March 7 Alaska, Montana, South Dakota, Wyoming
- February 21 Utah, Arizona, Eastern States
- February 7 Oregon, Colorado, Nevada
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