condition mean min max 1 h after light 17.401674835 16.61034926 18.19300041 3 h after light 16.6513305 12.98885352 20.55898961 5 h after light 17.153542066666667 15.16745763 18.72441527 7 h after light 16.911923656666666 15.42321473 18.64697066 9 h after light 17.175982283333333 16.25896118 18.80153006 11 h after light 18.06397345 15.64667581 20.63873494 13 h after light 19.262544913333333 17.94033353 20.32498335 15 h after light 22.084081570000002 18.47769638 25.20024996 1 h after dark 19.058154016666666 18.04090828 19.7102492 3 h after dark 20.00893174 17.3241313 21.65765415 5 h after dark 18.779407236666668 16.46144729 20.2143995 7 h after dark 19.39267111 16.73710113 21.4220908