condition mean min max 4 h after light 0.85726 0.44354 1.11687 8 h after light 0.575958 0.195006 1.04891 12 h after light 0.5486813333333334 0.386503 0.804293 4 h after dark 1.4886650000000001 0.806205 1.94839 8 h after dark 0.844619 0.56414 1.0162 12 h after dark 0.9959303333333334 0.50128 1.48932