condition mean min max 4 h after light 1.223225 1.21718 1.22927 8 h after light 0.6999715 0.347323 1.05262 12 h after light 0.847511615 0.00412323 1.6909 4 h after dark 1.0419856666666667 0.590589 1.86348 8 h after dark 0.6709081333333333 4.94e-05 1.03648 12 h after dark 0.23529466666666668 2.85e-05 0.630148