Washington actually tied 1933-34 for its warmest winter on record this year! Oregon underachieved and finished a couple tenths of a degree behind 1933-34.. Oregon did have its highest average winter maximum on record. California had its warmest winter on record for the 2nd consecutive year. 2014-15 was 1.5 degrees warmer than 2013-14. Utah, Arizona, and Nevada all joined in on the record warm fun. Then we have the last 12 months.... some pretty eye popping stuff there Oregon finished a degree warmer than its next warmest March 1-February 28 (1933-34). Washington finished about 0.8 degrees warmer than its next warmest (2004-05). California finished over a degree warmer than its next warmest (2013-14).