Ignoring the sleeves of time He takes his hat off To small worlds others have never seen. He buttons his lip and continues his work. That's how he gave us the microscope. It takes six inches of wet snow or 30 inches of dry snow to equal one inch of rain. The direction of a storm produces a predominant type of snowflake.
Air temperature determines the form of a snowflake.
Changes within a snowflake are caused by the differing air temperatures it passes through. The largest raindrops are a quarter of an inch in diameter. Different sizes of raindrops occur in different types of storms. There is a connection between lightning and raindrop size. Wilson Bentley had no scientific instruments.