Open Access
Table 1
Annual data for the number of hours and the appearance percentage of absence of clouds and one-, two-, three-, and four-layered clouds during daytime (2021/6 − 2022/5).
| Number of hours | Appearance percentage (%) | |
|---|---|---|
| Four-layered clouds (different flow directions) |
38 | <1 |
| Four-layered clouds | 22 | <1 |
| Three-layered clouds (different flow directions) |
327 | 7 |
| Three-layered clouds | 322 | 7 |
| Two-layered clouds (different flow directions) |
516 | 12 |
| Two-layered clouds | 1280 | 29 |
| One-layered clouds | 1225 | 28 |
| Clear (No clouds) | 651 | 15 |
| Total | 4381 | 100 |
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.