Research Article
Outdoor Performance Assessment of New and Old Photovoltaic Panel Technologies Using a Designed Multi-Photovoltaic Panel Power Measurement System
Table 2
Climate data for Ankara Province (Turkey) between the years of 1927 and 2019 [
39].
| | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Yearly |
| Ave. temp. (°C) | 0.1 | 1.6 | 5.7 | 11.2 | 16.0 | 19.9 | 23.3 | 23.3 | 18.8 | 13.1 | 7.2 | 2.4 | 11.9 | Ave. max. temp. (°C) | 4.1 | 6.4 | 11.4 | 17.3 | 22.3 | 26.6 | 30.2 | 30.4 | 25.9 | 19.9 | 13.0 | 6.4 | 17.8 | Ave. min. temp. (°C) | -3.2 | -2.3 | 0.6 | 5.3 | 9.6 | 12.9 | 15.8 | 15.9 | 11.7 | 7.0 | 2.5 | -0.8 | 6.3 | Ave. sunshine duration (hour) | 2.6 | 3.8 | 5.1 | 6.6 | 8.5 | 10.0 | 11.3 | 10.7 | 9.2 | 6.7 | 4.5 | 2.5 | 81.5 | Ave. rainy days | 12.3 | 11.2 | 10.7 | 11.2 | 12.3 | 8.7 | 3.6 | 2.7 | 4.0 | 6.9 | 8.2 | 11.7 | 103.5 | Ave. total monthly rainfall (mm) | 40.2 | 35.1 | 39.1 | 42.5 | 51.5 | 34.4 | 14.3 | 12.7 | 18.0 | 27.7 | 31.5 | 44.9 | 391.9 |
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