condition mean min max 3 h after light 0.6782723333333334 0.516553 0.828713 6 h after light 0.7494296666666667 0.716716 0.767977 9 h after light 0.769836 0.602177 0.935603 12 h after light 1.3885375 1.29404 1.43821 3 h after dark 1.4149033333333334 1.1936 1.7492 6 h after dark 1.6335133333333334 1.23536 2.04063 9 h after dark 0.861768 0.753559 1.03791 12 h after dark 1.0617395 0.750679 1.3728