The total rainfall data collected at Westcave Preserve from 1970 to 2024 represents the longest-running record at the site, handwritten and meticulously recorded by checking a rain gauge after each rainy day. Over this 54-year period, the average annual rainfall was 34.25 inches, with a peak in 1991 at 56.9 inches and a significant low in 1974 at just 8 inches. While rainfall has fluctuated over the years, the overall trend indicates a gradual decline in annual precipitation, reflecting the long-term shifts in regional climate patterns at Westcave.