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Record Heat Returns

October 23, 2003 -  Record warmth spread across west and central Wyoming for a second straight week (record highs Oct 8-9).  A strong ridge of high pressure anchored over the Rocky Mountains resulted in seven consecutive days of record high temperatures from October 17-23.   Lander's high temperature of 82 on the 21st also set a new record high temperature so late in the autumn season. 

Record Highs  October 17-23

October 17, 2003
Location (Airport) New Record High Previous Record
Casper 79 77 in 1974
Worland 81 80 in 1974
October 18, 2003
Casper 78 77 in 1943
Jackson 73 (tied) 73 in 1955
Riverton 77 (tied) 77 in 1974
Rock Springs 75 74 in 1974
Worland 81 80 in 1973
October 19, 2003
Casper 79 78 in 1947
Rock Springs 74(tied) 74 in 1974
Worland 85 80 in 1973
October 20, 2003
Casper 77 (tied) 77 in 1992
Jackson 72 (tied) 72 in 1974
Riverton 76 75 in 1977
Worland 80 78 in 1973
October 21, 2003
Cody 81 79 in 1927
Jackson 72 (tied) 72 in 1974
Lander 82* 76 in 1992
Rock Springs 77 71 in 1967
Riverton 78 73 in 1975
October 22, 2003
Cody 81 79 in 1954
Jackson 72 70 in 1954
Lander 75(tied) 75 in 1954
Worland 84 78 in 1973
Casper 80 73 in 1992
Rock Springs 77 70 in 1973
October 23, 2003
Lander 76 75 in 1915
Rock Springs 73 72 in 1954
Casper 81 74 in 1952

* also a record high temperature so late in the season

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