Temperature Anomaly Maps (IMAGE) Indiana University Caption The middle panel illustrates spatial patterns of temperature anomalies for April 1998. The top panel shows locations that are below the 25th percentile, and the bottom panel shows locations that are above the 75th percentile. Credit Scott Robeson, Indiana University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.