condition mean min max 4 h after light 343.6 343.6 343.6 8 h after light 330.45000000000005 289.6 371.3 12 h after light 254.25 225.6 282.9 4 h after dark 317.45 293.0 341.9 8 h after dark 280.95 255.5 306.4 12 h after dark 394.2 343.0 445.4