condition mean min max 4 h after light 1.5818443333333334 0.351653 2.95256 8 h after light 1.1595723666666666 0.0465271 2.29148 12 h after light 0.975712 0.200377 1.80489 4 h after dark 0.954133 0.821938 1.07288 8 h after dark 0.817684 0.167903 1.83781 12 h after dark 2.70221 1.50483 3.57367