Temperature anomaly (K; relative to 1971-2000) - Ocean: latitudes between 20N and 90N - NOAA - Monthly
This series is part of the dataset: Temperature anomalies by latitude (NOAA)
Download Full Dataset (.xlsx)Latest updates. In oceanic locations at latitudes between 20 degrees North and 90 degrees North, the temperature anomaly relative to the 1971-2000 average was 1.38 degrees Kelvin in August 2025, compared to 1.37 in July 2025.
Sample. There are 2,108 records in the monthly time series displayed in the figure above. The series covers the span of time extending from January 1850 to August 2025.
History. Check out some statistics computed on the full sample: the anomaly reached its highest level of 1.40 degrees Kelvin in September 2023; it reached a minimum of -0.89 in September 1912; it had a mean value of -0.05.
Latest values
| Date | Value - Degrees Kelvin |
|---|---|
| 2025-06-30 | 1.148581 |
| 2025-07-31 | 1.372641 |
| 2025-08-31 | 1.378755 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Temperature anomaly |
| Country | World |
| Economic concept | Temperature |
| Data type | Physical measurement |
| Deflation method | Not applicable |
| Seasonally adjusted | No |
| Rescaling | None |
| Frequency | Monthly |
| Unit | Degrees Kelvin |
| Source | NOAA National Centers for Environmental Information |
| Source type | Federal Administration |
| Data licence | Some use and access constraints |
| Measure type | Anomaly relative to 1971–2000 climatology |