condition mean min max 4 h after light 159.59078799999997 149.573739 169.607837 8 h after light 161.391746 144.669572 178.11392 12 h after light 160.7367885 138.445507 183.02807 4 h after dark 198.5111145 142.265246 254.756983 8 h after dark 220.2647855 167.62802 272.901551 12 h after dark 137.378922 137.378922 137.378922