Official Journal of the Japan Wood Research Society
Table 2 Climatic conditions during natural weathering from 0 to 36 months, i.e. from the 1st August 2010 to 31st July 2013 [20, 21]
Climatic conditions | Exposure time (months) | |||||
|---|---|---|---|---|---|---|
0–1 | 1–3 | 3–6 | 6–12 | 12–24 | 24–36 | |
Temperature (°C) | 18.5 | 8.9 | −2.6 | 14.7 | 9.4 | 9.4 |
RH (%) | 86 | 91 | 92 | 77 | 80 | 86 |
Sum of precipitation (mm) | 87.6 | 256.7 | 92.3 | 373.2 | 538.9 | 860.0 |
Sum of global radiation (kWh/m2) | 138.2 | 177.7 | 86.6 | 846.4 | 1176.8 | 1089.1 |
Sum of snow cover days (day) | – | – | 23 | 14 | 68 | 57 |