condition mean min max 2 h after light 0.13426133333333334 0.0 0.317279 6 h after light 0.22925666666666666 0.0 0.453091 10 h after light 0.2364985 0.0 0.419357 14 h after light 0.221498 0.0 0.587986 18 h after light 0.0403575 0.0 0.242145 2 h after dark 0.08732983333333333 0.0 0.237588