condition mean min max 4 h after light 112.2 112.2 112.2 8 h after light 78.65 69.1 88.2 12 h after light 208.2 115.2 301.2 4 h after dark 227.39999999999998 110.6 344.2 8 h after dark 162.60000000000002 142.3 182.9 12 h after dark 115.0 62.3 167.7