condition mean min max 4 h after light 807.4694444333334 790.965 817.98 8 h after light 1267.1544443333335 1099.403333 1359.89 12 h after light 1729.358889 1449.09 2027.006667 1.5 h after dark 1364.0344446666666 1275.85 1450.986667 5.5 h after dark 1313.6055556666668 1263.31 1355.856667 9.5 h after dark 765.24 634.6333333 959.93