condition mean min max 4 h after light 12.956149 11.741003 14.171295 8 h after light 11.4028285 11.074471 11.731186 12 h after light 10.141269000000001 9.453976 10.828562 4 h after dark 10.9664275 10.858384 11.074471 8 h after dark 12.558267 11.074471 14.042063 12 h after dark 11.074471 11.074471 11.074471