Distribution
Global horizontal irradiation, Kaloum
- Mean
- 5.04 kWh/m²/day
- Annual total
- 1,839 kWh/m²/yr
- Highest
- March (6.55)
- Lowest
- August (3.29)
- Year-to-year variability
- ± 0.093 (1.9 %)
- Values
- 1,826 days
Monthly means of the daily values.
- Period mean
- Month above its normal
- Month below
- 12-month moving average
Drag across the chart to zoom, double-click to reset.
For each month, over 5 years: median, low and high years (P10 to P90) and extreme values.
- Median
- Low and high years (P10 to P90)
- Extreme values (min. to max.)
Mean of each complete year, as a gap to the period mean (5.04 kWh/m²/day).
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | 5.52 | 6.12 | 6.55 | 6.49 | 5.05 | 4.72 | 2.85 | 3.13 | 3.29 | 4.93 | 4.93 | 5.15 | 4.89 |
| 2024 | 5.60 | 6.08 | 6.69 | 6.82 | 5.27 | 4.50 | 2.88 | 3.39 | 3.06 | 4.61 | 5.39 | 5.58 | 4.99 |
| 2023 | 5.74 | 6.07 | 6.49 | 6.43 | 5.38 | 4.41 | 3.90 | 3.51 | 4.47 | 4.40 | 4.87 | 5.41 | 5.09 |
| 2022 | 5.57 | 6.15 | 6.72 | 6.78 | 5.33 | 4.75 | 3.69 | 3.25 | 3.59 | 4.94 | 5.20 | 5.09 | 5.09 |
| 2021 | 5.59 | 5.99 | 6.53 | 6.54 | 5.79 | 4.83 | 3.80 | 3.29 | 4.44 | 4.49 | 4.98 | 5.14 | 5.12 |
| Median | 5.59 | 6.08 | 6.55 | 6.54 | 5.33 | 4.72 | 3.69 | 3.29 | 3.59 | 4.61 | 4.98 | 5.15 | |
| P10 | 5.54 | 6.03 | 6.51 | 6.45 | 5.14 | 4.45 | 2.86 | 3.18 | 3.15 | 4.44 | 4.89 | 5.11 | |
| P90 | 5.68 | 6.14 | 6.71 | 6.80 | 5.63 | 4.80 | 3.86 | 3.46 | 4.46 | 4.93 | 5.31 | 5.51 | |
| Min. | 5.52 | 5.99 | 6.49 | 6.43 | 5.05 | 4.41 | 2.85 | 3.13 | 3.06 | 4.40 | 4.87 | 5.09 | |
| Max. | 5.74 | 6.15 | 6.72 | 6.82 | 5.79 | 4.83 | 3.90 | 3.51 | 4.47 | 4.94 | 5.39 | 5.58 |
CSV file
1,826 rows, 69 KB. Columns: period, value, unit, confidence level, status.
date,valeur,unite,niveau_confiance,statut 2021-01-01,5.1389,kWh/m²/jour,B,brut 2021-01-02,5.2715,kWh/m²/jour,B,brut 2021-01-03,5.0614,kWh/m²/jour,B,brutDownload the CSV
API
The same series, versioned, with a free key.
curl -H "Authorization: Bearer kuma_votre_cle" \ "https://api.kumascience.com/v1/series/gin_conakry_ghi_era5_land_2021_2025?format=csv"
Python
Read the published file directly with pandas.
import pandas as pd url = "https://kumascience.com/data/guinee/conakry_kaloum/ghi_ecmwf_era5_land_journalier.csv" df = pd.read_csv(url) df.head()
Same variable, other sources
5 series published for this variable in Kaloum. The gap compares period means, which do not always cover the same years.
| Source | Period | Step | Mean (kWh/m²/day) | Gap | 5.025.61 |
|---|---|---|---|---|---|
| NASA POWER | 1991-2020 | monthly | 5.24 | +4.1 % | |
| ERA5-Land | 2001-2020 | monthly | 5.02 | −0.3 % | |
| PVGIS-SARAH-3 | 2021-2023 | monthly | 5.61 | +11.4 % | |
| ERA5-Land this record | 2021-2025 | daily | 5.04 | reference | |
| NASA POWER | 2021-2025 | daily | 5.26 | +4.5 % |
Notes
- Method
- Satellite model
- Unit
- kWh/m²/day
- Time step
- Daily, charts and table as monthly means
- Period
- 2021-01-01 - 2025-12-31
- Kuma qualification
- Acceptable qualification, cross-check series
- Source licence
- Licence à vérifier auprès de la source amont avant réutilisation.
- Kuma licence
- CC-BY 4.0, DOI 10.5281/zenodo.21051755
Cite this series
Kuma Science (2026). Global horizontal irradiation, Kaloum (Guinea), 2021-2025. ERA5-Land series, Guinea national energy data reference. DOI 10.5281/zenodo.21051755. https://kumascience.com/en/donnees/gin_conakry_ghi_era5_land_2021_2025
@misc{kuma_gin_conakry_ghi_era5_land_2021_2025,
author = {{Kuma Science}},
title = {Global horizontal irradiation, Kaloum (Guinea), 2021-2025},
year = {2026},
howpublished = {ERA5-Land series},
doi = {10.5281/zenodo.21051755},
url = {https://kumascience.com/en/donnees/gin_conakry_ghi_era5_land_2021_2025},
note = {License CC-BY 4.0}
}TY - DATA AU - Kuma Science TI - Global horizontal irradiation, Kaloum (Guinea), 2021-2025 PY - 2026 PB - Kuma Science DO - 10.5281/zenodo.21051755 UR - https://kumascience.com/en/donnees/gin_conakry_ghi_era5_land_2021_2025 N1 - ERA5-Land ER -
Also cite the primary source, whose licence applies to the published values.
Astuce pratique · Pour citer cette fiche dans un rapport BE ou un livrable client, sélectionnez le bloc ci-dessus puis copiez-collez. Le slug de la série (le code présent dans l'URL) garantit la reproductibilité : la même URL pointera vers la même série, même après mises à jour des données amont (l'historique versionné côté Data Core est préservé).
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