condition mean min max 4 h after light 4.410375 3.73915 5.0816 8 h after light 5.91864 5.7006 6.13668 12 h after light 5.82846 5.70398 5.95294 4 h after dark 4.474293333333334 4.01598 4.86266 8 h after dark 4.762313333333334 4.37093 5.3428 12 h after dark 4.322126666666667 3.99726 4.76338