condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 1.60642 0.0 2.6151 12 h after light 0.48289333333333334 0.0 1.44868 4 h after dark 0.0 0.0 0.0 8 h after dark 1.6604533333333333 0.0 3.20315 12 h after dark 3.10241 0.0 7.5111