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 0.052602 0.0 0.157806 12 h after light 0.037959733333333336 0.0 0.0659412 3 h after dark 0.0 0.0 0.0 6 h after dark 0.019276066666666668 0.0 0.0578282 9 h after dark 0.0 0.0 0.0 12 h after dark 0.03811133333333334 0.0 0.114334