condition mean min max 0 h after light 27.8467 27.2434 28.45 4 h after light 29.9906 29.2876 30.6936 8 h after light 54.462199999999996 46.4217 62.5027 4 h after dark 60.30955 56.9289 63.6902 8 h after dark 51.71515 49.8632 53.5671 12 h after dark 31.7262 23.3979 40.0545