condition mean min max 4 h after light 57.82015 57.5259 58.1144 8 h after light 31.00705 29.5313 32.4828 12 h after light 20.697200000000002 18.6197 22.7747 4 h after dark 27.79085 26.0909 29.4908 8 h after dark 43.4139 42.7347 44.0931 12 h after dark 53.442099999999996 51.0472 55.837