That’s good that the humidity is low.
Don’t you usually have a lot of humidity?
https://www.washingtontimes.com/news/2019/jun/12/we-build-wall-gate-be-locked-night-international-b/
No! I am East of the Cascades in the desert area. I don't think the West Side has much humidity either, even though they do get a lot more rain.
Here is the Average for the year. The last 2 are on the East Side of the Cascades where I live.
Average yearly relative humidity (%)
Daily, Place, Morning, Afternoon
80 Olympia 89 64
84 Quillayute 92 73
73 Seattle 82 62
65 Spokane 75 52
60 Yakima 71 44