condition mean min max 4 h after light 20.51695 20.102 20.9319 8 h after light 25.6283 24.7381 26.5185 12 h after light 21.95555 21.8101 22.101 4 h after dark 27.2056 26.103 28.3082 8 h after dark 25.82725 25.6455 26.009 12 h after dark 25.96555 24.7434 27.1877