condition mean min max 4 h after light 294.2 294.2 294.2 8 h after light 306.79999999999995 247.2 366.4 12 h after light 258.15 243.7 272.6 4 h after dark 508.85 262.5 755.2 8 h after dark 613.8499999999999 539.8 687.9 12 h after dark 594.0999999999999 544.8 643.4