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Western U.S. Anomaly
Page - MShum Top 10
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Western U.S. Anomaly
Page - MShum Top 10
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Rank
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Date
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MShum
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Description
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References
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| 1 | 18 May 1956 | 6.995 | Moisture surge into southern CA; | |
| 2 | 1 August 1952 | 6.985 | Locally heavy rain southern CA, AZ, NM | |
| 3 | 23 March 1954 | 6.753 | Heavy rain in southern CA…10-12" in CA mountains…32" snow in 24 hrs in Bright Angel AZ | |
| 4 | 1 January 1997 | 5.965 | Heavy rain and severe flooding in CA and Pacific Northwest | |
| 5 | 31 March 1964 | 5.939 | West Coast trough | |
| 6 | 24 December 1955 | 5.851 | Record rain and flooding across northern CA and Oregon; significant Pacific Northwest windstorm | |
| 7 | 31 July 1952 | 5.758 | Summer rain event in northern California | |
| 8 | 09 March 1951 | 5.595 | ||
| 9 | 22 March 2004 | 5.473 | ||
| 10 | 28 November 1966 | 5.414 |