Direct normal irradiation, Kaloum
- Mean
- 3.70 kWh/m²/day
- Annual total
- 1,350 kWh/m²/yr
- Highest
- February (4.83)
- Lowest
- August (2.11)
- Year-to-year variability
- ± 0.148 (4.0 %)
- Values
- 203 months
- Monthly value
- 12-month moving average
- 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 16 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 (3.70 kWh/m²/day).
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | 3.90 | 4.50 | 4.65 | 3.20 | 2.91 | 3.36 | 1.72 | 1.82 | 3.27 | 4.56 | 5.34 | 5.32 | 3.71 |
| 2019 | 5.36 | 4.83 | 4.37 | 3.75 | 3.51 | 3.19 | 2.31 | 1.86 | 2.91 | 4.32 | 5.12 | 5.86 | 3.95 |
| 2018 | 4.18 | 4.66 | 4.68 | 3.42 | 3.52 | 2.46 | 2.41 | 2.47 | 2.83 | 4.37 | 4.14 | 5.48 | 3.72 |
| 2017 | 5.47 | 4.55 | 4.19 | 3.24 | 3.32 | 2.71 | 2.45 | 2.39 | 3.13 | 4.28 | 3.77 | 3.95 | 3.62 |
| 2016 | 4.13 | 4.05 | 5.09 | 3.44 | 3.57 | 3.14 | 1.82 | 2.15 | 2.77 | 4.64 | 3.94 | 3.93 | 3.56 |
| 2015 | 3.81 | 5.48 | 3.78 | 2.93 | 2.83 | 2.70 | 2.50 | 2.66 | 3.30 | 4.26 | 4.71 | 3.52 | 3.54 |
| 2014 | 5.44 | 4.91 | 4.80 | 3.93 | 3.49 | 3.09 | 3.11 | 1.94 | 3.12 | 3.98 | 4.21 | 3.89 | 3.83 |
| 2013 | 4.91 | 5.42 | 5.64 | 4.01 | 3.37 | 2.96 | 2.48 | 1.60 | 3.09 | 4.12 | 4.84 | 5.21 | 3.97 |
| 2012 | 5.00 | 3.78 | 3.06 | 3.00 | 2.83 | 2.73 | 2.11 | 2.01 | 3.33 | 4.28 | 4.81 | 4.78 | 3.48 |
| 2011 | 4.05 | 5.36 | 4.53 | 3.15 | 3.00 | 2.69 | 2.26 | 2.52 | 3.33 | 3.70 | 4.94 | 4.81 | 3.70 |
| 2010 | 5.09 | 5.11 | 3.49 | 2.88 | 2.23 | 3.02 | 2.27 | 2.35 | 3.43 | 3.95 | 5.30 | 4.77 | 3.66 |
| 2009 | 4.41 | 4.99 | 4.42 | 2.68 | 3.20 | 3.28 | 2.47 | 1.97 | 2.79 | 4.64 | 4.40 | 4.79 | 3.67 |
| 2008 | 4.85 | 4.50 | 4.21 | 2.61 | 2.61 | 3.18 | 2.83 | 2.23 | 3.25 | 4.06 | 4.98 | 4.57 | 3.66 |
| 2007 | 3.99 | 4.87 | 3.84 | 3.09 | 2.67 | 3.01 | 2.23 | 1.91 | 2.97 | 4.28 | 4.54 | 5.51 | 3.58 |
| 2006 | 4.97 | 5.27 | 4.03 | 3.32 | 3.12 | 2.87 | 2.87 | 2.11 | 3.68 | 4.30 | 5.38 | 5.19 | 3.93 |
| 2005 | 3.91 | 3.89 | 4.44 | 3.18 | 3.41 | 2.65 | 3.24 | 2.03 | 4.16 | 4.03 | 4.37 | 4.87 | 3.68 |
| 2004 | — | 4.08 | 3.05 | 2.74 | 3.08 | 2.87 | 2.49 | 2.81 | 4.21 | 4.90 | 5.23 | 4.11 | — |
| Median | 4.63 | 4.83 | 4.37 | 3.18 | 3.12 | 2.96 | 2.45 | 2.11 | 3.25 | 4.28 | 4.81 | 4.79 | |
| P10 | 3.91 | 3.99 | 3.32 | 2.71 | 2.64 | 2.67 | 2.00 | 1.85 | 2.81 | 3.97 | 4.06 | 3.92 | |
| P90 | 5.40 | 5.38 | 4.92 | 3.83 | 3.52 | 3.22 | 2.97 | 2.58 | 3.87 | 4.64 | 5.31 | 5.50 | |
| Min. | 3.81 | 3.78 | 3.05 | 2.61 | 2.23 | 2.46 | 1.72 | 1.60 | 2.77 | 3.70 | 3.77 | 3.52 | |
| Max. | 5.47 | 5.48 | 5.64 | 4.01 | 3.57 | 3.36 | 3.24 | 2.81 | 4.21 | 4.90 | 5.38 | 5.86 |
CSV file
203 rows, 7 KB. Columns: period, value, unit, confidence level, status.
annee,mois,valeur,unite,niveau_confiance,statut 2004,2,4.0751,kWh/m²/jour,B,brut 2004,3,3.0522,kWh/m²/jour,B,brut 2004,4,2.7383,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_dni_cams_2004_2020?format=csv"
Python
Read the published file directly with pandas.
import pandas as pd url = "https://kumascience.com/data/guinee/conakry_kaloum/dni_cams_radiation_mensuel.csv" df = pd.read_csv(url) df.head()
Same variable, other sources
4 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 | 3.203.70 |
|---|---|---|---|---|---|
| NASA POWER | 2001-2020 | monthly | 3.20 | −13.5 % | |
| CAMS Radiation this record | 2004-2020 | monthly | 3.70 | reference | |
| CAMS Radiation | 2021-2023 | monthly | 3.65 | −1.2 % | |
| NASA POWER | 2021-2025 | daily | 3.44 | −7.0 % |
Notes
- Source
- CAMS Radiation Service, solar radiation time-series (Copernicus Atmosphere Monitoring Service)
- Method
- Satellite model
- Unit
- kWh/m²/day
- Time step
- Monthly
- Period
- 2004-02-01 - 2020-12-31
- 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). Direct normal irradiation, Kaloum (Guinea), 2004-2020. CAMS Radiation series, Guinea national energy data reference. DOI 10.5281/zenodo.21051755. https://kumascience.com/en/donnees/gin_conakry_dni_cams_2004_2020
@misc{kuma_gin_conakry_dni_cams_2004_2020,
author = {{Kuma Science}},
title = {Direct normal irradiation, Kaloum (Guinea), 2004-2020},
year = {2026},
howpublished = {CAMS Radiation series},
doi = {10.5281/zenodo.21051755},
url = {https://kumascience.com/en/donnees/gin_conakry_dni_cams_2004_2020},
note = {License CC-BY 4.0}
}TY - DATA AU - Kuma Science TI - Direct normal irradiation, Kaloum (Guinea), 2004-2020 PY - 2026 PB - Kuma Science DO - 10.5281/zenodo.21051755 UR - https://kumascience.com/en/donnees/gin_conakry_dni_cams_2004_2020 N1 - CAMS Radiation 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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