May marked the end of climatological spring. The three months of March, April and May were a period of phenomenal warmth with 74% of the days finishing with an above average daily temperature. March finished as the warmest on record, April was the 13th warmest and May was the 11th warmest since 1881.
Combined, the three months ended up as the warmest spring in Fargo Moorhead on record. Not only was the past spring the warmest on record, it surpassed the previous warmest spring on record (1977) by nearly 1 degree, which is impressive from a climatological perspective.
Overall, the spring of 2012 finished with an average temperature of 50.2 degrees. That is 7.2 degrees above the current 30 year average.
The precipitation over the past three months was 4.91 inches, with nearly one-half of that falling on May 27 when 2.33 inches was recorded. The current average spring precipitation is 5.47 inches. Last year 21.5 inches of snow fell during the spring season, this year only 2.6 inches was measured.