The DeSart & Holbrook model enters the econometric models component of the combined PollyVote. It currently forecasts a two-party vote share of 57.8% for Clinton, and 42.2% for Trump in Washington. In comparison, on October 20 Trump was predicted to collect 41.4% of the vote.
Putting the results in context
As any other method, models are subject to bias. Hence, you should not put too much trust in the results of a single econometric model. At the very least, one should check how a model's results compare to benchmark forecasts.
Comparison to the combined PollyVote
The most recent PollyVote forecasts Clinton to gain 58.6% of the two-party vote in Washington. The results of the DeSart & Holbrook model for Clinton are thus 0.8 percentage points below the combined PollyVote in Washington.