condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.6290233333333334 0.0 1.88707 12 h after light 1.0453733333333333 0.0 3.13612 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0