You are watching: How many inches of snow equals 1 inch of rain

Perform the baseline rain-to-snow conversion. The baseline ratio of rain to eye is 1 customs of rain amounts to 10 customs of snow. For example, to calculation the snowfall equivalent of 3 inch of rain, main point 3 by 10 to acquire 30 inches of snow as the baseline conversion. This conversion applies for snow falling in ~ temperatures near freezing, between 28 and 34 degrees Fahrenheit.

Find the temperature in the location for which you"d favor to execute the conversion. You can track under this details via the nationwide Weather Service, for example, or any variety of other meteorological sources, such together the Weather Channel. In general, colder temperatures do snow autumn less densely and also lower the rain-to-snow ratio, result in more inches of snow per customs of rain.

Adjust her conversion come account for temperature if the exterior temperature is less than or same to 27 levels Fahrenheit. To calculate rain to eye for temperatures in between 20 and also 27 degrees Fahrenheit, main point rainfall through 15 instead of 10. For temperatures in between 15 and 19 levels Fahrenheit, multiply rainfall by 20. In between 10 and also 14, multiply by 30; in between 0 and also 9, main point by 40; between -20 and also -1, multiply by 50, and also between -40 and -21, main point by 100. Because that example, to calculate the snowfall identical of 3 customs of rain at 5 degrees Fahrenheit, main point 3 by 40 to attain 120 inches of snow. Therefore, if 3 inches of rain room expected yet the temperature drops suddenly to 5 levels Fahrenheit, 120 inch of snow will certainly fall.

Perform the calculations in turning back to calculate snow to rain. Because that example, because that 8 inch of eye falling at a temperature of 20 levels Fahrenheit, divide 8 by 15, because the conversion variable for 20 degrees is 15. The an outcome is about 0.53 customs of rain. Therefore, 8 customs of eye that dropped at 20 degrees Fahrenheit will certainly melt down to around 0.53 customs of rain.

many factors influence snow thickness apart indigenous ambient temperature. Wind, because that example, have the right to compact snow and also cause it come fall much more densely, lowering the rain-to-snow ratio.

many factors impact snow thickness apart native ambient temperature. Wind, for example, have the right to compact snow and cause it to fall more densely, lowering the rain-to-snow ratio.

Richard Graham has worked professionally together both an economist and educator due to the fact that 2007. He additionally works as a consultant to tiny businesses and organizations focused on occurring green technologies. Graham hold a Bachelor of science in economics.

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