In the contiguous United States, the average temperature for March was 42°F, which was 0.4°F below the 20th century mean, ranking it as the 63rd warmest March on record, based on preliminary data. Only Rhode Island, New Mexico and Arizona were warmer than average, while near-average temperatures occurred in 39 other states. The monthly temperature for Alaska was the 17th warmest in the 1918-2008 record, with an average temperature 3.8°F above the 1971-2000 mean.
The broad area of near-average temperatures kept the nation's overall temperature-related residential energy demand for March near average, based on NOAA's Residential Energy Demand Temperature Index.
Graphic from NOAA's website