2004 Snapshots
December 22 Arizona, Colorado, Eastern States, Oregon, Utah
December 17 Colorado, Montana, South Dakota
December 3 California, Idaho, Nevada, Wyoming
November 19 California, New Mexico, Utah
November 5 Eastern States, Montana, Nevada
October 22 California, Colorado, Oregon
Ocotober 8 Arizona, Wyoming
September 24 Idaho, New Mexico, Utah
September 10 Colorado, Nevada, Wyoming
August 27 California, Utah, Montana
August 13 Arizona, Idaho, Eastern States
July 30 Alaska, New Mexico, Oregon
July 16 Montana, Arizona, Nevada
July 2 Colorado, Wyoming, Utah
June 18 California, Eastern States, New Mexico
June 4 Idaho, Alaska, Utah
May 21 Oregon, Wyoming, California
May 7 New Mexico, Colorado, Arizona
Apirl 23 Idaho, Montana
April 9 Nevada, Colorado, Utah
March 26 Arizona, Idaho, Oregon
March 12 New Mexico, Wyoming, Idaho, Eastern States
February 27 Idaho, Utah, Nevada
February 13 California, Montana, South Dakota, Alaska