As a warm and dry summer drags into October, additional stress is put on our already low water supply. But despite what dramatic images might suggest, this is not an extreme outlier in terms of lake levels. … Data from the Department of Water Resources reflects Doyle’s perspective; Shasta Lake is approximately 36 feet higher than it was at this time last year. However, the lake is still below its normal level and air temperatures remain well above average for this time in October. Doyle shared more about the impact this warmth can have on the ecosystem.