NASA POWER
Longwave irradiance, all-sky — monthly mean
All-sky surface longwave downward irradiance. NASA POWER monthly mean, MERRA-2 based.
Trend
Latest values
| Period | Area | Value | Unit |
|---|---|---|---|
| 2025-12 | Al-Hasakah | 25.28 | MJ/m^2/day |
| 2025-12 | Daraa | 25.47 | MJ/m^2/day |
| 2025-12 | As-Suwayda | 25.47 | MJ/m^2/day |
| 2025-12 | Quneitra | 28.40 | MJ/m^2/day |
| 2025-12 | Damascus | 24.79 | MJ/m^2/day |
| 2025-12 | Rif Dimashq | 24.79 | MJ/m^2/day |
| 2025-12 | Aleppo | 25.07 | MJ/m^2/day |
| 2025-12 | Homs | 26.06 | MJ/m^2/day |
| 2025-12 | Hama | 26.55 | MJ/m^2/day |
| 2025-12 | Latakia | 29.48 | MJ/m^2/day |
| 2025-12 | Tartus | 29.91 | MJ/m^2/day |
| 2025-12 | Idlib | 26.55 | MJ/m^2/day |
| 2025-12 | Raqqa | 24.95 | MJ/m^2/day |
| 2025-12 | Deir ez-Zor | 25.53 | MJ/m^2/day |
| 2025-11 | Al-Hasakah | 26.41 | MJ/m^2/day |
| 2025-11 | Daraa | 27.00 | MJ/m^2/day |
| 2025-11 | As-Suwayda | 27.00 | MJ/m^2/day |
| 2025-11 | Quneitra | 29.85 | MJ/m^2/day |
| 2025-11 | Damascus | 26.30 | MJ/m^2/day |
| 2025-11 | Rif Dimashq | 26.30 | MJ/m^2/day |
| 2025-11 | Aleppo | 26.65 | MJ/m^2/day |
| 2025-11 | Homs | 27.33 | MJ/m^2/day |
| 2025-11 | Hama | 27.98 | MJ/m^2/day |
| 2025-11 | Latakia | 30.70 | MJ/m^2/day |
| 2025-11 | Tartus | 31.08 | MJ/m^2/day |
| 2025-11 | Idlib | 27.98 | MJ/m^2/day |
| 2025-11 | Raqqa | 26.55 | MJ/m^2/day |
| 2025-11 | Deir ez-Zor | 26.78 | MJ/m^2/day |
| 2025-10 | Al-Hasakah | 29.02 | MJ/m^2/day |
| 2025-10 | Daraa | 27.70 | MJ/m^2/day |
| 2025-10 | As-Suwayda | 27.70 | MJ/m^2/day |
| 2025-10 | Quneitra | 30.27 | MJ/m^2/day |
| 2025-10 | Damascus | 26.88 | MJ/m^2/day |
| 2025-10 | Rif Dimashq | 26.88 | MJ/m^2/day |
| 2025-10 | Aleppo | 28.93 | MJ/m^2/day |
| 2025-10 | Homs | 27.96 | MJ/m^2/day |
| 2025-10 | Hama | 29.62 | MJ/m^2/day |
| 2025-10 | Latakia | 32.04 | MJ/m^2/day |
| 2025-10 | Tartus | 31.95 | MJ/m^2/day |
| 2025-10 | Idlib | 29.62 | MJ/m^2/day |
| 2025-10 | Raqqa | 28.90 | MJ/m^2/day |
| 2025-10 | Deir ez-Zor | 29.60 | MJ/m^2/day |
| 2025-09 | Al-Hasakah | 31.08 | MJ/m^2/day |
| 2025-09 | Daraa | 29.40 | MJ/m^2/day |
| 2025-09 | As-Suwayda | 29.40 | MJ/m^2/day |
| 2025-09 | Quneitra | 31.74 | MJ/m^2/day |
| 2025-09 | Damascus | 28.70 | MJ/m^2/day |
| 2025-09 | Rif Dimashq | 28.70 | MJ/m^2/day |
| 2025-09 | Aleppo | 30.97 | MJ/m^2/day |
| 2025-09 | Homs | 29.81 | MJ/m^2/day |
| 2025-09 | Hama | 31.36 | MJ/m^2/day |
| 2025-09 | Latakia | 33.70 | MJ/m^2/day |
| 2025-09 | Tartus | 33.23 | MJ/m^2/day |
| 2025-09 | Idlib | 31.36 | MJ/m^2/day |
| 2025-09 | Raqqa | 31.14 | MJ/m^2/day |
| 2025-09 | Deir ez-Zor | 31.82 | MJ/m^2/day |
| 2025-08 | Al-Hasakah | 33.79 | MJ/m^2/day |
| 2025-08 | Daraa | 31.46 | MJ/m^2/day |
| 2025-08 | As-Suwayda | 31.46 | MJ/m^2/day |
| 2025-08 | Quneitra | 32.78 | MJ/m^2/day |
| 2025-08 | Damascus | 30.96 | MJ/m^2/day |
| 2025-08 | Rif Dimashq | 30.96 | MJ/m^2/day |
| 2025-08 | Aleppo | 33.68 | MJ/m^2/day |
| 2025-08 | Homs | 31.59 | MJ/m^2/day |
| 2025-08 | Hama | 33.31 | MJ/m^2/day |
| 2025-08 | Latakia | 35.21 | MJ/m^2/day |
| 2025-08 | Tartus | 34.22 | MJ/m^2/day |
| 2025-08 | Idlib | 33.31 | MJ/m^2/day |
| 2025-08 | Raqqa | 33.49 | MJ/m^2/day |
| 2025-08 | Deir ez-Zor | 34.25 | MJ/m^2/day |
| 2025-07 | Al-Hasakah | 34.53 | MJ/m^2/day |
| 2025-07 | Daraa | 30.11 | MJ/m^2/day |
| 2025-07 | As-Suwayda | 30.11 | MJ/m^2/day |
| 2025-07 | Quneitra | 31.95 | MJ/m^2/day |
| 2025-07 | Damascus | 30.15 | MJ/m^2/day |
| 2025-07 | Rif Dimashq | 30.15 | MJ/m^2/day |
| 2025-07 | Aleppo | 33.76 | MJ/m^2/day |
| 2025-07 | Homs | 30.90 | MJ/m^2/day |
| 2025-07 | Hama | 32.75 | MJ/m^2/day |
| 2025-07 | Latakia | 34.44 | MJ/m^2/day |
| 2025-07 | Tartus | 33.61 | MJ/m^2/day |
| 2025-07 | Idlib | 32.75 | MJ/m^2/day |
| 2025-07 | Raqqa | 33.77 | MJ/m^2/day |
| 2025-07 | Deir ez-Zor | 34.86 | MJ/m^2/day |
| 2025-06 | Al-Hasakah | 31.48 | MJ/m^2/day |
| 2025-06 | Daraa | 28.88 | MJ/m^2/day |
| 2025-06 | As-Suwayda | 28.88 | MJ/m^2/day |
| 2025-06 | Quneitra | 30.50 | MJ/m^2/day |
| 2025-06 | Damascus | 28.75 | MJ/m^2/day |
| 2025-06 | Rif Dimashq | 28.75 | MJ/m^2/day |
| 2025-06 | Aleppo | 31.16 | MJ/m^2/day |
| 2025-06 | Homs | 29.35 | MJ/m^2/day |
| 2025-06 | Hama | 30.87 | MJ/m^2/day |
| 2025-06 | Latakia | 32.30 | MJ/m^2/day |
| 2025-06 | Tartus | 31.67 | MJ/m^2/day |
| 2025-06 | Idlib | 30.87 | MJ/m^2/day |
| 2025-06 | Raqqa | 31.25 | MJ/m^2/day |
| 2025-06 | Deir ez-Zor | 31.92 | MJ/m^2/day |
| 2025-05 | Al-Hasakah | 30.88 | MJ/m^2/day |
| 2025-05 | Daraa | 28.60 | MJ/m^2/day |
| 2025-05 | As-Suwayda | 28.60 | MJ/m^2/day |
| 2025-05 | Quneitra | 29.40 | MJ/m^2/day |
| 2025-05 | Damascus | 28.15 | MJ/m^2/day |
| 2025-05 | Rif Dimashq | 28.15 | MJ/m^2/day |
| 2025-05 | Aleppo | 30.52 | MJ/m^2/day |
| 2025-05 | Homs | 28.81 | MJ/m^2/day |
| 2025-05 | Hama | 30.08 | MJ/m^2/day |
| 2025-05 | Latakia | 31.10 | MJ/m^2/day |
| 2025-05 | Tartus | 30.20 | MJ/m^2/day |
| 2025-05 | Idlib | 30.08 | MJ/m^2/day |
| 2025-05 | Raqqa | 30.59 | MJ/m^2/day |
| 2025-05 | Deir ez-Zor | 31.60 | MJ/m^2/day |
| 2025-04 | Al-Hasakah | 28.87 | MJ/m^2/day |
| 2025-04 | Daraa | 27.64 | MJ/m^2/day |
| 2025-04 | As-Suwayda | 27.64 | MJ/m^2/day |
| 2025-04 | Quneitra | 28.48 | MJ/m^2/day |
| 2025-04 | Damascus | 26.57 | MJ/m^2/day |
| 2025-04 | Rif Dimashq | 26.57 | MJ/m^2/day |
| 2025-04 | Aleppo | 28.29 | MJ/m^2/day |
| 2025-04 | Homs | 27.25 | MJ/m^2/day |
| 2025-04 | Hama | 28.40 | MJ/m^2/day |
| 2025-04 | Latakia | 29.14 | MJ/m^2/day |
| 2025-04 | Tartus | 29.12 | MJ/m^2/day |
| 2025-04 | Idlib | 28.40 | MJ/m^2/day |
| 2025-04 | Raqqa | 28.52 | MJ/m^2/day |
| 2025-04 | Deir ez-Zor | 29.25 | MJ/m^2/day |
| 2025-03 | Al-Hasakah | 26.49 | MJ/m^2/day |
| 2025-03 | Daraa | 26.64 | MJ/m^2/day |
| 2025-03 | As-Suwayda | 26.64 | MJ/m^2/day |
| 2025-03 | Quneitra | 27.72 | MJ/m^2/day |
| 2025-03 | Damascus | 25.83 | MJ/m^2/day |
| 2025-03 | Rif Dimashq | 25.83 | MJ/m^2/day |
| 2025-03 | Aleppo | 26.52 | MJ/m^2/day |
| 2025-03 | Homs | 26.35 | MJ/m^2/day |
| 2025-03 | Hama | 26.93 | MJ/m^2/day |
| 2025-03 | Latakia | 28.40 | MJ/m^2/day |
| 2025-03 | Tartus | 28.35 | MJ/m^2/day |
| 2025-03 | Idlib | 26.93 | MJ/m^2/day |
| 2025-03 | Raqqa | 26.45 | MJ/m^2/day |
| 2025-03 | Deir ez-Zor | 26.99 | MJ/m^2/day |
| 2025-02 | Al-Hasakah | 23.22 | MJ/m^2/day |
| 2025-02 | Daraa | 24.17 | MJ/m^2/day |
| 2025-02 | As-Suwayda | 24.17 | MJ/m^2/day |
| 2025-02 | Quneitra | 26.58 | MJ/m^2/day |
| 2025-02 | Damascus | 23.16 | MJ/m^2/day |
| 2025-02 | Rif Dimashq | 23.16 | MJ/m^2/day |
| 2025-02 | Aleppo | 23.56 | MJ/m^2/day |
| 2025-02 | Homs | 24.52 | MJ/m^2/day |
| 2025-02 | Hama | 24.84 | MJ/m^2/day |
| 2025-02 | Latakia | 27.74 | MJ/m^2/day |
| 2025-02 | Tartus | 28.09 | MJ/m^2/day |
| 2025-02 | Idlib | 24.84 | MJ/m^2/day |
| 2025-02 | Raqqa | 23.00 | MJ/m^2/day |
| 2025-02 | Deir ez-Zor | 23.49 | MJ/m^2/day |
| 2025-01 | Quneitra | 26.43 | MJ/m^2/day |
| 2025-01 | Raqqa | 23.05 | MJ/m^2/day |
| 2025-01 | Deir ez-Zor | 23.68 | MJ/m^2/day |
| 2025-01 | Al-Hasakah | 22.91 | MJ/m^2/day |
| 2025-01 | Daraa | 24.08 | MJ/m^2/day |
| 2025-01 | As-Suwayda | 24.08 | MJ/m^2/day |
| 2025-01 | Aleppo | 23.04 | MJ/m^2/day |
| 2025-01 | Homs | 24.38 | MJ/m^2/day |
| 2025-01 | Hama | 24.36 | MJ/m^2/day |
| 2025-01 | Latakia | 27.40 | MJ/m^2/day |
| 2025-01 | Tartus | 27.88 | MJ/m^2/day |
| 2025-01 | Idlib | 24.36 | MJ/m^2/day |
| 2025-01 | Damascus | 23.33 | MJ/m^2/day |
| 2025-01 | Rif Dimashq | 23.33 | MJ/m^2/day |
| 2024-12 | Al-Hasakah | 24.15 | MJ/m^2/day |
| 2024-12 | Daraa | 24.33 | MJ/m^2/day |
| 2024-12 | As-Suwayda | 24.33 | MJ/m^2/day |
| 2024-12 | Quneitra | 27.53 | MJ/m^2/day |
| 2024-12 | Damascus | 24.04 | MJ/m^2/day |
| 2024-12 | Rif Dimashq | 24.04 | MJ/m^2/day |
| 2024-12 | Aleppo | 24.59 | MJ/m^2/day |
| 2024-12 | Homs | 25.23 | MJ/m^2/day |
| 2024-12 | Hama | 25.83 | MJ/m^2/day |
| 2024-12 | Latakia | 28.95 | MJ/m^2/day |
| 2024-12 | Tartus | 29.18 | MJ/m^2/day |
| 2024-12 | Idlib | 25.83 | MJ/m^2/day |
| 2024-12 | Raqqa | 23.89 | MJ/m^2/day |
| 2024-12 | Deir ez-Zor | 24.17 | MJ/m^2/day |
| 2024-11 | Al-Hasakah | 25.86 | MJ/m^2/day |
| 2024-11 | Daraa | 26.66 | MJ/m^2/day |
| 2024-11 | As-Suwayda | 26.66 | MJ/m^2/day |
| 2024-11 | Quneitra | 29.18 | MJ/m^2/day |
| 2024-11 | Damascus | 25.77 | MJ/m^2/day |
| 2024-11 | Rif Dimashq | 25.77 | MJ/m^2/day |
| 2024-11 | Aleppo | 26.39 | MJ/m^2/day |
| 2024-11 | Homs | 26.71 | MJ/m^2/day |
| 2024-11 | Hama | 27.70 | MJ/m^2/day |
| 2024-11 | Latakia | 30.38 | MJ/m^2/day |
| 2024-11 | Tartus | 30.79 | MJ/m^2/day |
| 2024-11 | Idlib | 27.70 | MJ/m^2/day |
| 2024-11 | Raqqa | 26.25 | MJ/m^2/day |
| 2024-11 | Deir ez-Zor | 26.70 | MJ/m^2/day |
| 2024-10 | Al-Hasakah | 28.05 | MJ/m^2/day |
| 2024-10 | Daraa | 27.50 | MJ/m^2/day |
| 2024-10 | As-Suwayda | 27.50 | MJ/m^2/day |
| 2024-10 | Quneitra | 29.87 | MJ/m^2/day |
Older values are not shown. The table contains the 200 most recent rows.
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