The ratio of snow to water can vary a great deal depending on the vertical profiles of temperature and moisture, and how they change during a storm. Typically 1 inch of rain is equal to 1 foot of snow, a 12-1 ratio. Depending on the temperature and moisture profiles of the snow growth region of the atmosphere and the origin area of the storm system, that ratio can go higher, say 20-1, which would be 20 inches, or lower, say 6-1 or so.
12-1 is most forecasters starting point, and if you go to your local NWS page and read the area forecast discussion, they usually tell what ratio they believe a system will have as it moves through your area
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Typically, 1 inch of rain will equate to about 10 inches of snow. However, this can vary depending on factors such as temperature and humidity.
On average, 10 inches of snow is equal to 1 inch of rain, but this ratio can vary based on factors like snow density and temperature. Therefore, 5 inches of snow would typically be equivalent to around 0.5 inches of rain.
This will depend on how cold it is, but on average 10 inches of snow = 1 inch of rain, so 0.15 inches of rain = 1.5 inches of snow. It could be less than in inch of wet snow, or more than 2 inches of powder, however.
The fluffiness of the snow can vary how deep it is compared to an inch of rain. On average, however, ten inches of snow is an inch of rain, so .04 inches of rain is similar to .4 inches of snow.
The general rule of thumb is that 1 inch of rain is approximately equivalent to 10 inches of snow. Therefore, 5 inches of rain would equal approximately 50 inches of snow.
An inch of rain is measured accurately using a rain gauge, which is a device that collects and measures the amount of rainfall that falls in a specific area. The rain gauge is typically a cylindrical container with markings on the side that indicate the amount of rainfall in inches. The collected rainwater is then measured to determine the total amount of rainfall in inches.