condition mean min max 0 h after light 50.15905 42.0185 58.2996 2 h after light 60.01115 59.7857 60.2366 4 h after light 45.62645 44.65 46.6029 8 h after light 30.4128 30.3412 30.4844 12 h after light 33.4344 32.2816 34.5872 2 h after dark 31.728749999999998 31.5736 31.8839 4 h after dark 28.4223 27.8027 29.0419 8 h after dark 43.1135 41.0371 45.1899 12 h after dark 54.8705 49.6772 60.0638