condition mean min max 1 h after light 20.804423533333335 17.43101911 24.96040964 3 h after light 16.985852966666666 15.34753731 17.84881429 5 h after light 19.25667108 15.85942789 23.68985763 7 h after light 18.727703186666666 15.20360552 22.81083826 9 h after light 17.771798003333334 16.05304431 20.07122186 11 h after light 17.303143143333333 15.0595736 21.15986889 13 h after light 18.90711647666667 13.91363892 25.37342707 15 h after light 17.64936395666667 15.88921711 18.58533982 1 h after dark 18.64393079 16.16240872 20.82993086 3 h after dark 16.629069173333335 13.90589745 19.72330762 5 h after dark 19.365799046666666 17.753894 21.31070697 7 h after dark 22.33457414 17.93736027 24.94126005