condition mean min max 4 h after light 2.2570733333333335 1.49679 3.60443 8 h after light 0.744646 0.419558 1.02958 12 h after light 0.863038 0.37127 1.48324 4 h after dark 0.9059643333333334 0.613686 1.14734 8 h after dark 2.133507 0.819891 3.07726 12 h after dark 1.903649 0.568257 2.94629