condition mean min max 4 h after light 262.7 262.7 262.7 8 h after light 232.65 211.9 253.4 12 h after light 261.2 255.4 267.0 4 h after dark 198.65 169.8 227.5 8 h after dark 210.65 170.4 250.9 12 h after dark 212.35000000000002 150.9 273.8