condition mean min max 4 h after light 43.1044 41.4263 44.7825 8 h after light 38.14325 34.8314 41.4551 12 h after light 38.653099999999995 35.839 41.4672 4 h after dark 39.2574 34.9735 41.4156 8 h after dark 48.90486666666667 47.6942 50.5204 12 h after dark 44.5386 40.5885 46.9706