condition mean min max 4 h after light 0.0159254 0.0 0.0477762 8 h after light 0.03766133333333333 0.0 0.112984 12 h after light 0.0052040666666666666 0.0 0.0156122 4 h after dark 0.0173682 0.0 0.0521046 8 h after dark 0.0 0.0 0.0 12 h after dark 0.056360233333333336 0.0 0.115085