Table 1.

The explanatory variables used in this study

Explanatory variable	Meaning
entcoef	Entrainment coefficient
ct	Accretion constant
rhcrit	Critical relative humidity
vf1	Ice fall speed through clouds
eacf	Empirically adjusted cloud fraction
cw	Threshold for precipitation
dtice	Temperature range of ice albedo variation
ice	Nonspherical ice
midware	Client middleware
ice_size	Ice particle size
alpham	Albedo at melting point of ice
processor_name	CPU classification
clock_classic	Processor clock speed recorded under classic middleware
ram_size	Hardware RAM
clock_boinc_i	Integer processor clock speed recorded under BOINC middleware
clock_boinc_f	Floating point processor clock speed recorded under BOINC middleware
os_name	Operating system
dtheta	Perturbations to initial conditions on a given level

Further details are in SI Table 2.