condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.040218 0.0 0.120654 12 h after light 0.0 0.0 0.0 4 h after dark 0.10009233333333334 0.0 0.300277 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0