condition mean min max 4 h after light 79.1946735 75.387691 83.001656 8 h after light 77.5103655 72.927258 82.093473 12 h after light 90.0619825 82.364565 97.7594 4 h after dark 120.630548 96.316556 144.94454 8 h after dark 121.6724965 102.181032 141.163961 12 h after dark 102.934691 102.934691 102.934691