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 1.14 degrees Kelvin in November 2025, compared to 1.27 in October 2025.
Sample. In the monthly time series presented in the chart, there are a total of 2,111 observations. The time span covered by the series extends from January 1850 to November 2025.
History. Here's a peek at some simple statistics computed on the full sample: the anomaly peaked at 1.40 degrees Kelvin in September 2023; it reached its lowest level of -0.89 in September 1912; it was equal on average to -0.05.
Latest values
| Date | Value - Degrees Kelvin |
|---|---|
| 2025-09-30 | 1.352321 |
| 2025-10-31 | 1.272759 |
| 2025-11-30 | 1.144099 |
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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 |
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Discover the other time series included in this data set.