condition mean min max 2 h after light 0.4197745 0.3235 0.549248 6 h after light 0.40154650000000003 0.224868 0.785701 10 h after light 0.34395733333333334 0.27703 0.51158 14 h after light 0.4695419 0.0835514 0.861026 18 h after light 0.7592666666666666 0.479888 0.978451 2 h after dark 0.7545545 0.470857 1.11555