calculates cloud ice conversion to snow and depositional growth by binning cloud ice distributions and determining both the size bins > d0s (that are converted to snow) and the depositional growth up to d0s (for cloud ice) and > d0s for snow following Harrington et al. (1995) https://doi.org/10.1175/1520-0469(1995)052<4344:POICCP>2.0.CO;2