What is a temperature anomaly?
The term temperature anomaly means a departure from a reference value or long-term average. A positive anomaly indicates that the observed temperature was warmer than the reference value, while a negative anomaly indicates that the observed temperature was cooler than the reference value.
https://www.ncdc.noaa.gov/monitoring-references/faq/anomalies.php
The term temperature anomaly means a departure from a reference value or long-term average. A positive anomaly indicates that the observed temperature was warmer than the reference value, while a negative anomaly indicates that the observed temperature was cooler than the reference value.
https://www.ncdc.noaa.gov/monitoring-references/faq/anomalies.php