snow.coverage_nrel(snowfall, poa_irradiance, ...)

Calculates the fraction of the slant height of a row of modules covered by snow at every time step.

snow.fully_covered_nrel(snowfall[, ...])

Calculates the timesteps when the row's slant height is fully covered by snow.

snow.dc_loss_nrel(snow_coverage, num_strings)

Calculates the fraction of DC capacity lost due to snow coverage.

snow.loss_townsend(snow_total, snow_events, ...)

Calculates monthly snow loss based on the Townsend monthly snow loss model [1]_.