PORTLAND, Ore. (KOIN) -- The potential for drought conditions in Oregon continues to grow as the rain-free days add up around Portland this April. A growing rain deficit of nearly two inches could help push parts of the Pacific Northwest back into "abnormally dry" drought conditions this April. Oregon State Climatologist, Larry O'Neill suggested that the U.S. Drought Monitor consider putting parts of Oregon under the abnormally dry category by t…