condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.03105005 0.0 0.0621001 12 h after light 0.0 0.0 0.0 4 h after dark 0.11984 0.0 0.257369 8 h after dark 0.040397333333333334 0.0 0.121192 12 h after dark 0.0 0.0 0.0