condition mean min max 3 h after light 0.50997 0.179898 0.739359 6 h after light 0.351748 0.264055 0.488435 9 h after light 0.6587116666666667 0.48719 0.951352 12 h after light 1.02838925 0.81479 1.24469 3 h after dark 3.858153333333333 3.08738 4.34979 6 h after dark 2.81608 2.61396 3.0041 9 h after dark 2.53933 1.95061 3.193 12 h after dark 1.930945 1.52878 2.33311