condition mean min max 4 h after light 587.3767666666666 565.1228 620.6331 8 h after light 514.6484 292.8044 690.4315 12 h after light 609.8012 483.1656 810.0578 16 h after light 561.6065333333333 500.9743 676.7152 4 h after dark 412.27756666666664 403.2432 429.6494 8 h after dark 307.27639999999997 243.5743 343.4346