condition mean min max 4 h after light 321.4 321.4 321.4 8 h after light 196.45 180.6 212.3 12 h after light 247.60000000000002 189.9 305.3 4 h after dark 252.89999999999998 246.4 259.4 8 h after dark 297.9 289.1 306.7 12 h after dark 323.1 319.7 326.5