condition mean min max 4 h after light 229.6 229.6 229.6 8 h after light 304.65 289.0 320.3 12 h after light 212.95 201.9 224.0 4 h after dark 247.5 245.1 249.9 8 h after dark 230.10000000000002 228.4 231.8 12 h after dark 329.54999999999995 296.9 362.2