condition mean min max 1 h after light 11.159277501666667 6.367289365 15.38100918 3 h after light 18.213699396666666 14.22205124 20.97519896 5 h after light 16.777561053333333 13.81738519 18.31947116 7 h after light 21.10516574 10.45604128 26.56454151 9 h after light 18.5490392 14.49565484 20.81460045 11 h after light 15.33071101 14.30947989 16.16907051 13 h after light 11.779837525333333 7.944090866 15.97737953 15 h after light 13.378957432 8.610545946 18.27484488 1 h after dark 21.788988253333336 14.61976514 32.65082746 3 h after dark 18.29895883 17.51858743 18.98661824 5 h after dark 20.087036953333335 18.50890087 21.63113012 7 h after dark 16.460302106666667 13.94580483 20.54372209