condition mean min max 2 h after light 1.5698243333333335 0.369163 3.02393 6 h after light 0.5892093333333333 0.0 1.34553 10 h after light 0.48754000000000003 0.0 1.46262 2 h after dark 0.327136 0.0 0.513433 6 h after dark 0.16580799999999998 0.0 0.497424 10 h after dark 0.8397223333333333 0.458095 1.57436