condition mean min max 0 h after light 0.637134 0.347978 0.92629 4 h after light 0.4071935 0.342477 0.47191 8 h after light 1.160425 1.06077 1.26008 4 h after dark 0.9683895 0.913329 1.02345 8 h after dark 0.858626 0.804972 0.91228 12 h after dark 0.5705975000000001 0.462523 0.678672