condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.17941733333333335 0.0 0.271994 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.18516566666666667 0.0 0.555497 12 h after dark 0.18340533333333334 0.0 0.550216