condition mean min max 2 h after light 4.40162 0.0 15.5175 6 h after light 3.43239 0.0 6.69345 10 h after light 10.273468333333334 3.09228 22.8416 14 h after light 6.38535 0.0 11.5166 18 h after light 8.082768333333334 0.0 18.7482 2 h after dark 12.894926666666667 0.0 46.3879