Dry Season Lasts at www.japanese-home-gardens.com

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.

The sound made by the closing pulmonary and aortic valves resembles the sound "dup." Thus the normal heartbeat heard through a stethoscope or even with the ear next to the chest sounds like "lub-dup," "lub-dup," "lub-dup." These sounds may be doubled on occasion if the contractions of the ventricles are not exactly simultaneous, a condition that has no important effect on the heart's functioning. Generally, at a heart rate of about 60 beats per minute systole lasts one third of a second and diastole lasts two thirds of a second.

Savanna grass-ind develops in regions of high temperature that ave a distinct wet and dry season. Growth is ipid in the wet season, but the plants become ry and low in quality in the dry season. Widely >aced drought-resistant trees may occur in some •eas such as in the savanna parklands of Africa id Australia. Savannas are subject to flooding i the wet season and to extensive burning in le dry season. These grasslands are heavily•azed by large numbers of cattle. Major prob-ms are poor grass quality in the dry season, irasites, and disease. The tsetse fly is a major•oblem in Africa. There are no true savannas North America.