condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.00825895 0.0 0.0165179 12 h after light 0.0 0.0 0.0 4 h after dark 0.00881635 0.0 0.0176327 8 h after dark 0.01325435 0.0 0.0265087 12 h after dark 0.023347800000000002 0.0173985 0.0292971