The % Sun number measures the percentage of time between sunrise and sunset that sunshine reaches the ground. Total Hours is the average number of sunny hours the city normally has in a year. Clear Days is the average number of days annually when cloud covers at most 30 percent of the sky during daylight hours. Hours of sunshine are the means calculated for 1961 to 1990.
Wikipedia: The MacDonnell Ranges of the Northern Territory, are a 644 km (400 mile) long mountain range located in the centre of Australia (23Â°42â²S 132Â°30â²E), and consist of parallel ridges running to the east and west of Alice Springs.
Mount Mazama is a stratovolcano in the Oregon segment of the Cascade Volcanic Arc and the Cascade Range located in the United States. The volcano 's collapsed caldera holds Crater Lake, and the entire mountain is located within Crater Lake National Park.When it last erupted, the eruption was 42 times greater than the eruption of Mount St. Helens in 1980. Mazama's summit was destroyed by a volcanic eruption that occurred around 5677 (Â± 150) BC.The eruption reduced Mazama's approximate 12,000-foot (3,700 m) height by about 1 mile (1,600 m). Much of the volcano fell into the volcano's partially emptied neck and magma chamber.hen it last erupted, the eruption was 42 times greater than the eruption of Mount St. Helens in 1980. Mazama's summit was destroyed by a volcanic eruption that occurred around 5677 (Â± 150) BC. The eruption reduced Mazama's approximate 12,000-foot (3,700 m) height by about 1 mile (1,600 m).