condition mean min max 4 h after light 44.236111109999996 40.28333333 51.275 8 h after light 50.71611111 47.39 57.115 12 h after light 71.20555555666667 64.94 82.37 1.5 h after dark 97.39777775666667 63.36666667 119.1733333 5.5 h after dark 62.52888889 46.48666667 92.12 9.5 h after dark 53.05111111 34.87 80.38333333