condition mean min max 4 h after light 246.4 246.4 246.4 8 h after light 318.20000000000005 297.3 339.1 12 h after light 263.1 233.1 293.1 4 h after dark 334.85 318.0 351.7 8 h after dark 275.25 273.5 277.0 12 h after dark 317.95000000000005 277.1 358.8