condition mean min max 1 h after light 19.013860885 18.79845087 19.229270899999996 3 h after light 23.760845826666667 17.02575152 27.66318391 5 h after light 29.757616153333334 27.07703524 34.8971098 7 h after light 32.486424883333335 31.46645295 33.77208977 9 h after light 36.18091183666667 33.1882662 40.29175004 11 h after light 38.11293979 36.61526562 39.31397996 1 h after dark 41.50103304666667 33.94998751 50.51978031 3 h after dark 47.576376493333335 42.38282657 50.18242294 5 h after dark 51.3599102 48.26634248 53.6778713 7 h after dark 50.020493896666665 46.18269697 54.04428043 9 h after dark 47.404848189999996 44.99798516 52.13681447 11 h after dark 43.480218396666665 39.36064741 46.81207596