I've had 3 rains since May that have totaled over 1". 2 of those were in brief thunderstorms lasting less than 45 minutes, so it just washed into the creeks.
But on a broader level, i think this is more how our yearly water cycle is. We typically dry out the subsurface moisture in the summer months, as intermittent rains like Summer thunderstorms dont have the ability to get water that deep. However, i believe we typically replensish the deeper moisture in the fall / Winter / Spring soaking rains. Repeated, slow, soaking rains during a time of low evapotranspiration is how we get moisture that deep.
I say that because this past fall / winter were dry at a time when we typically are rebuilding our water table.
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