condition mean min max 0 h after light 82.7251 80.4595 84.9907 4 h after light 95.6861 87.4652 103.907 8 h after light 102.4331 95.8572 109.009 4 h after dark 108.938 108.096 109.78 8 h after dark 101.0358 97.5166 104.555 12 h after dark 94.22475 94.213 94.2365