condition mean min max 1 h after light 22.01835421 19.89735768 24.13935074 3 h after light 22.19968163 18.33628348 27.45339398 5 h after light 21.36784805 17.17059459 24.33020329 7 h after light 15.99021437 14.72467684 18.05087353 9 h after light 15.678396723333332 13.81141438 16.81800856 11 h after light 16.942036429999998 14.73395305 19.60679819 13 h after light 17.081683943333335 15.91235154 18.50986792 15 h after light 17.597945626666668 14.95191686 19.82042132 1 h after dark 16.31403913 15.35969574 18.19017857 3 h after dark 18.57400602 16.81839693 19.56156523 5 h after dark 18.08734425666667 16.39861734 19.44764641 7 h after dark 17.22805441 16.18587924 18.90666465