Countries by average annual precipitation. In meteorology, precipitation is any product of the condensation of atmospheric water vapor that falls under gravity. The main forms of precipitation include drizzle, rain, sleet, snow, graupel and hail. Precipitation occurs when a portion of the atmosphere becomes saturated with water vapor, so that the water condenses and precipitates.
1 Piling docks, perhaps the most popular type of permanent dock, usually cost about $20 to $40 per square foot. That includes installation but not fancy features such as gazebos, rails or lifts. Those features can raise the price to $60 per square foot.  Adding a boat lift usually costs an extra $5,000 to $7,000.
1 On average, a chair lift can cost anywhere from $1,500 to as much as $5,000. 2  This would be for the product itself and would not include any sort of professional installation. There are different models available and the features of each vary; this can be the largest factor that determines the price of the lift. 2  On average, a chair lift can cost anywhere from $1,500 to as much as $5,000. 3  This would be for the product itself and would not include any sort of professional installation.