Illinois Climate Network: Station Metadata: Perry - Roughness
Estimated Roughness Length (meters) Around Perry (ORR)
| Azimuthal Sector | Winter | Spring | Summer | Autumn | Average |
| 348.75-11.25 | 0.4950 | 0.4780 | 0.6527 | 0.5175 | 0.5073 |
| 11.25-33.75 | 0.3466 | 0.3969 | 0.6019 | 0.4239 | 0.4066 |
| 33.75-56.25 | 0.1965 | 0.2768 | 0.4756 | 0.3019 | 0.2901 |
| 56.25-78.75 | 0.1635 | 0.1840 | 0.3475 | 0.3079 | 0.2306 |
| 78.75-101.25 | 0.1356 | 0.1849 | 0.2936 | 0.2400 | 0.1895 |
| 101.25-123.75 | 0.0680 | 0.1569 | 0.2588 | 0.1507 | 0.1434 |
| 123.75-146.25 | 0.0523 | 0.1121 | 0.2349 | 0.0866 | 0.1046 |
| 146.25-168.75 | 0.0477 | 0.0891 | 0.1846 | 0.0809 | 0.0882 |
| 168.75-191.25 | 0.0584 | 0.0983 | 0.1684 | 0.1047 | 0.1009 |
| 191.25-213.75 | 0.0752 | 0.1172 | 0.1851 | 0.1174 | 0.1219 |
| 213.75-236.25 | 0.1814 | 0.2385 | 0.3675 | 0.2180 | 0.2498 |
| 236.25-258.75 | 0.2516 | 0.3029 | 0.4051 | 0.2754 | 0.3039 |
| 258.75-281.25 | 0.2398 | 0.3251 | 0.4374 | 0.2918 | 0.2928 |
| 281.25-303.75 | 0.2420 | 0.3058 | 0.5623 | 0.3224 | 0.2934 |
| 303.75-326.25 | 0.2676 | 0.3386 | 0.6589 | 0.3756 | 0.3250 |
| 326.25-348.75 | 0.3753 | 0.4043 | 0.6860 | 0.4721 | 0.4160 |
Station Metadata for Perry
Station Data: Perry