condition mean min max 4 h after light 0.927907 0.902159 0.953655 8 h after light 0.9164005 0.403091 1.42971 12 h after light 0.88742 0.0 1.77484 4 h after dark 0.47867099999999996 0.23904 0.85952 8 h after dark 1.3861176666666668 0.368383 2.51064 12 h after dark 0.6081476666666668 0.0 1.00049