condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0255093 0.0 0.0765279 12 h after light 0.590031 0.160433 0.908369 4 h after dark 0.35061266666666663 0.0 0.535435 8 h after dark 0.0 0.0 0.0 12 h after dark 0.233206 0.0 0.369912