|For tables of national, regional, and
statewide data from 1895-present, for May, last 3 months or other
periods, please go to the Climate At
A Glance page.
- May 2006 was the fifth warmest
May in the 1895 to present record. The preliminary nationally
averaged temperature was 63.7°F (17.6°C), which was
2.7°F (1.5°C) above the 1901-2000 (20th century)
- May 2006 had below average
precipitation, nationally, ranking 17th driest in the 1895-2006
record. An average 2.33 inches (59 mm) fell over the contiguous
U.S. in May, 0.54 inches (14 mm) below the 1901-2000 average.
- Boreal spring (Mar-May) temperature
was much above average and ranked as the 3rd warmest such period in
the 1895-to-present record. The preliminary nationally averaged
temperature for February-April was 54.7°F (12.6°C) which
was 2.9°F (1.6°C) above the 1901-2000 mean.
- March-May had below average
precipitation, ranking it as the 31st driest spring in the last 112
years. The 7.11 inches (181 mm) average March-May precipitation for
the nation was 0.6 inches (15 mm) below the 1901-2000 average.
- The June 2005 - May 2006 temperature
was also much above average and, based upon preliminary data,
ranked as the warmest such period in the 1895-2006 record. The
preliminary nationally averaged temperature was 55.2°F
(12.9°C) which was 2.4°F (1.3°C) above the 20th
- Precipitation was near average for May-April, ranking 41st driest for the last 12
months based on a record of 111 such periods. Nationally averaged
total precipitation was 28.68 inches (728 mm), or 0.47 inch (12 mm)
below the 1901-2000 average.
Regional and Statewide: