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 stood at 1.34 degrees Kelvin in July 2025, compared to 1.14 in June.
Sample. There are 2,107 records overall in the monthly series presented in the figure above. The time period covered by the series extends from January 1850 to July 2025.
History. Take a look at a few summary statistics calculated on the full sample: the anomaly had a mean of -0.05 degrees Kelvin; it recorded a bottom of -0.90 in September 1912; it reached its highest level of 1.40 in September 2023.
Latest values
| Date | Value - Degrees Kelvin |
|---|---|
| 2025-05-31 | 0.930902 |
| 2025-06-30 | 1.141388 |
| 2025-07-31 | 1.336069 |
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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 |