condition mean min max 3 h after light 0.036246 0.0 0.108738 6 h after light 0.025260033333333334 0.0 0.0757801 9 h after light 0.0 0.0 0.0 12 h after light 0.049433525 0.0 0.13221 3 h after dark 0.02997873333333333 0.0 0.0899362 6 h after dark 0.042345 0.0 0.127035 9 h after dark 0.04165866666666667 0.0 0.124976 12 h after dark 0.0 0.0 0.0