Patrick, M.R., Parcheta, C., Nadeau, P., Downs, D., Zoeller, M., Lynn, K.J., Trusdell, F., Younger, E.F., Ellis, A., Dotray, P., Mulliken, K., and Carr, B., 2023, Colorimeter data for the summit water lake at Kīlauea Volcano, Island of Hawaiʻi, 2020: U.S. Geological Survey data release, https://doi.org/10.5066/P95WBNRV.