condition mean min max 0 h after light 0.7757514999999999 0.639524 0.911979 4 h after light 0.824284 0.719329 0.929239 8 h after light 2.113015 1.53385 2.69218 4 h after dark 1.52602 1.34352 1.70852 8 h after dark 0.85782 0.62873 1.08691 12 h after dark 0.9909185 0.980007 1.00183