Warm to Cold Record Ratio: Congo (Brazzaville)
24 record highs and 6 record lows were set in Congo (Brazzaville) in 2025, a ratio of 4.0 to 1, with the trend by year and decade.
Data as of . Last revised (2026-10-12).
Key Facts
- In 2025, 24 record highs and 6 record lows were set in Congo (Brazzaville), a warm to cold ratio of 4.0 to 1.
- So far this year, 0 record highs and 0 record lows have been set in Congo (Brazzaville), a ratio of n/a.
- The ratio in Congo (Brazzaville) was 2.8 to 1 in the 1970s and 23 to 1 in the 2020s.
- The series starts in 2025.
- A ratio of 1 to 1 means as many record highs as record lows; above 1 means more record highs.
Ratio by Year
Record highs divided by record lows| Year | Highs to lows |
|---|---|
| 2025 | 4.0 to 1 |
The chart starts in 2025. Earlier years are left out because fewer than 500 records were set in each, from too few stations to give a steady ratio. The data download has every year.
Ratio by Decade
| Decade | Ratio |
|---|---|
| 1970s | 2.8 to 1 |
| 1980s | 4.1 to 1 |
| 1990s | 6.3 to 1 |
| 2000s | 11 to 1 |
| 2010s | 3.3 to 1 |
| 2020s | 23 to 1 |
Cumulative Highs and Lows in 2025
| Date | Record highs | Record lows |
|---|
Year to Date Against Previous Years
| Year | Ratio |
|---|---|
| 2016 | 3.2 to 1 |
| 2017 | 1.3 to 1 |
| 2018 | 1.6 to 1 |
| 2019 | 62 to 1 |
| 2020 | n/a |
| 2021 | 28 to 1 |
| 2022 | 15 to 1 |
| 2023 | 18 to 1 |
| 2024 | 33 to 1 |
| 2025 | 4.0 to 1 |
| 2025 (this year) | n/a |
Download the Data
Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-12. Records are computed by this site. The ratio uses record highs and record lows of daily maximum and minimum temperature.