| Year | Precipitation totals, mm (May-August) | Total daily average temperature per May-August, ˚С | Precipitation totals per July, mm | Average air temperature per July, ˚С | HTC (June-August) |
| “Climatic norm”* | 220 | 1300 | 83 | 18 | 1.5 |
| 1994 | 273 | 1290 | 90 | 19 | 1.5 |
| 2001 | 367 | 1945 | 221 | 18 | 1.9 |
| 2004 | 297 | 1469 | 34 | 18 | 2.0 |