condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.050316 0.0 0.150948 12 h after light 0.0 0.0 0.0 3 h after dark 0.07540433333333334 0.0 0.226213 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0