condition mean min max 3 h after light 3182.55 3153.4 3238.47 6 h after light 2114.1066666666666 1715.65 2441.55 9 h after light 841.886 601.262 1024.08 12 h after light 338.20866666666666 232.382 502.188 3 h after dark 203.24800000000002 131.571 271.16 6 h after dark 561.2626666666667 457.233 660.754 9 h after dark 1025.3653333333334 757.086 1210.3 12 h after dark 1416.17 1011.32 1766.35