Here's some data from my question a couple of days ago about warmest winter on record. I chose Bellingham, Seattle, and Olympia to see what February would have to average to get to the warmest December through February average temperature. While I tried to find the warmest winter, feel free to correct my data if I missed one or made incorrect calculations. Olympia Feb. Avg Temp as of Today: 48.1 Warmest Winters (What February has to Avg) 1. 1957-58: 44.0 (48.0) 2. 1980-81: 43.1 (45.2) Seattle Feb. Avg Temp as of Today: 49.9 Warmest Winters (What February has to Avg) 1. 1991-92: 45.0 (44.5) 2. 1957-58: 44.9 (44.4) 3. 1994-95: 44.7 (43.7) Bellingham Feb. Avg Temp as of Today: 49.7 Warmest Winters (What February has to Avg) 1. 1991-92: 43.7 (46.3) 2. 1957-58: 43.4 (45.4) Olympia may struggle to get warmest Dec-Feb on record, but the other two stations have a very realistic shot.