condition mean min max 4 h after light 148.159889 104.21693 192.102848 8 h after light 146.302996 142.315306 150.290686 12 h after light 190.31039900000002 189.081049 191.539749 4 h after dark 108.513064 86.847602 130.178526 8 h after dark 65.363713 45.243779 85.483647 12 h after dark 108.001422 108.001422 108.001422