Table 4.
Temperature regime and humification conditions in the sub-taiga zone according to observations made at the Tomsk weather station, 56°29’ N, 84°56’ E.
| Year of Study | Average Annual Temperature (°C) |
Σt, Degree Days * |
Period with Active Temperatures, Days | Amount of Precipitation for the Period with Active Temperatures, mm | Hydrothermal Coefficient (HTC) |
|---|---|---|---|---|---|
| 2012 | 0.6 | 2064 | 121 | 199 | 0.96 |
| 2013 | 1.7 | 1587 | 86 | 200 | 1.26 |
| 2014 | 0.8 | 1590 | 90 | 162 | 1.01 |
| 2015 | 2.5 | 2107 | 128 | 277 | 1.31 |
| 2016 | 1.7 | 2217 | 128 | 203 | 0.92 |
| 2017 | 2.2 | 1912 | 124 | 285 | 1.49 |
* Degree days are a specialist kind of weather data, calculated from readings of outside air temperature. Σt—the sum of the temperatures for a period with an average daily air temperature above +10.0 °C. Active temperatures are average daily temperatures above +10.0 °C.