condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.012178933333333334 0.0 0.0365368 12 h after light 0.017872266666666668 0.0 0.0536168 4 h after dark 0.0 0.0 0.0 8 h after dark 1.48e-05 0.0 4.44e-05 12 h after dark 0.0049622 0.0 0.0148866