CORVALLIS, Ore. â A soil thermometer is a gardener's best friend as spring approaches and it's time to plant cool-season vegetables such as peas, kale, fava beans and radishes. With a thermometer, no guess work is needed.
1 The average residential electricity rate in Seattle is 7.75Â¢/kWh. 2  This average (residential) electricity rate in Seattle is 9.14% less than the Washington average rate of 8.53Â¢/kWh. 3  The average (residential) electricity rate in Seattle is 34.76% less than the national average rate of 11.88Â¢/kWh. The average industrial electricity rate in Seattle is 5.95Â¢/kWh. 2  This average (industrial) electricity rate in Seattle is 44.07% greater than the Washington average rate of 4.13Â¢/kWh. 3  The average (industrial) electricity rate in Seattle is 10.79% less than the national average rate of 6.67Â¢/kWh.
For electricity, average prices per kilowatt-hour (kWh) and per 500 kWh are published. For utility (piped) gas, average prices per therm, per 40 therms, and per 100 therms are published. For gasoline, the average price per gallon is published.asoline prices averaged $3.094 a gallon in the Seattle-Tacoma-Bremerton area in August 2015, the U.S. Bureau of Labor Statistics reported today. Regional Commissioner Richard J. Holden noted that area gasoline prices were down 78.7 cents compared to last August when they averaged $3.881 per gallon.