condition mean min max 4 h after light 0.0152549 0.0 0.0305098 8 h after light 0.0 0.0 0.0 12 h after light 0.012148 0.0 0.024296 4 h after dark 0.019593333333333334 0.0 0.05878 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0