condition mean min max 3 h after light 0.0556136 0.025228 0.110712 6 h after light 0.0324949 0.0 0.073819 9 h after light 0.03752016666666667 0.0 0.0929102 12 h after light 0.10442803333333334 0.0752601 0.135465 3 h after dark 0.05299926666666667 0.0218384 0.0845477 6 h after dark 0.0 0.0 0.0 9 h after dark 0.015399966666666667 0.0 0.0461999 12 h after dark 0.0 0.0 0.0