condition mean min max 4 h after light 44.59945 43.9862 45.2127 8 h after light 96.70675 94.2873 99.1262 12 h after light 129.0545 125.467 132.642 4 h after dark 124.8065 119.411 130.202 8 h after dark 118.8505 115.547 122.154 12 h after dark 80.33385 77.4707 83.197