condition mean min max 4 h after light 375.3 375.3 375.3 8 h after light 400.0 249.1 550.9 12 h after light 769.75 678.0 861.5 4 h after dark 521.3 263.5 779.1 8 h after dark 322.79999999999995 299.9 345.7 12 h after dark 274.35 196.7 352.0