Contour Lines: Contour lines are used to determine elevations and are lines on a map that are produced from connecting points of equal elevation (elevation refers to height in feet, or meters, above sea level). profile may be constructed quickly and accurately across any straight line on a map by following this procedure: a. Lay a strip of paper along a line across the area where the profile is to be constructed. b. Mark on the paper the exact place where each contour, stream and hill top crosses the profile line.
During may you will find snow at the North and South pole. It will also snow in high lying areas such as some mountains. Many people forget that while in May that while the Northern Hemisphere is experiencing spring (which in some places means there is still snow), the Southern Hemisphere is experiencing winter.
Less than half of years also get a little snow in May. Flagstaff is normally free of snow every year from June to September. How Many Snowstorms Flagstaff Gets. Most days of snowfall in Flagstaff leave at least an inch of fresh snow on the ground. For 12 days a year on average, the amount of new snow totals at three inches or more. Snowstorms of over five inches a day normally occur seven times a year.