condition mean min max 4 h after light 427.6 427.6 427.6 8 h after light 456.1 422.1 490.1 12 h after light 459.54999999999995 410.9 508.2 4 h after dark 475.65 436.3 515.0 8 h after dark 555.5 506.4 604.6 12 h after dark 457.7 407.0 508.4