condition mean min max 4 h after light 0.6113435 0.566169 0.656518 8 h after light 0.8839345000000001 0.870608 0.897261 12 h after light 0.9625254999999999 0.896241 1.02881 4 h after dark 1.2878493333333334 0.903458 1.89763 8 h after dark 0.9792636666666666 0.750454 1.20373 12 h after dark 0.8583673333333334 0.764041 0.974722