condition mean min max 4 h after light 311.9 311.9 311.9 8 h after light 298.45 228.9 368.0 12 h after light 292.70000000000005 220.3 365.1 4 h after dark 185.3 165.4 205.2 8 h after dark 259.04999999999995 175.7 342.4 12 h after dark 211.25 187.0 235.5