condition mean min max 4 h after light 12.4922 10.9111 14.0733 8 h after light 10.09181 9.17852 11.0051 12 h after light 7.86721 5.8557 9.87872 4 h after dark 8.48267 6.72194 10.9635 8 h after dark 10.415966666666668 8.4411 12.0501 12 h after dark 8.893696666666667 7.3373 10.7249