Varm- Season Convection at www.japanese-home-gardens.com

The wettest month :i,'ust, with 4.42 inches, and the driest is mber, with 2.61 inches. Formation of new :iic storms along the east coast is responsi-:.r a large portion of Maryland's rainfall, varm- season convectionseason convection assists in causing to be the rather ill-defined rainy season, iphic influence of the mountains brings itest rainfalls to the extreme western of the state.

As early as 1927 the British geologist Arthur Holmes suggested that convection currents in the mantle could explain the continental drift theory. Convection currents are generated by heat differences - they can be observed in a saucepan of water placed over a fire. Global tectonics theory suggests that convection currents exist in the asthenosphere and perhaps in the lower mantle. They form convection cells that rise under the ridges and descend under the trenches.

Wyoming.—The average annual precipitation for this state is 14.22 inches. Cyclonic disturbances of spring are mainly responsible for the May maximum of 2.08 inches. The dry season lasts from late fall through winter, the driest month being December, with 0.71 inch. Warm season convection holds the monthly rainfalls above 1 inch from spring through early fall.