condition mean min max 4 h after light 1.8623950000000002 1.62037 2.10442 8 h after light 0.9359835000000001 0.793427 1.07854 12 h after light 0.8245264999999999 0.79801 0.851043 4 h after dark 1.2508526666666666 0.957468 1.39972 8 h after dark 1.127015 0.935385 1.26958 12 h after dark 1.4342333333333335 1.30604 1.5622