Continent: |
Europe | Latitude: |
60.02 | deg. |
Country: |
Russia | Longitude: |
32.63 |
deg. |
River: |
Syas | Elevation: |
9.0 |
m |
Station: |
Yakhnovo | Area: |
6230.0 |
km2 |
| Mean for Observation Period: | 1911 | - | 1985 | Total months: | 861 |
| - | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
| m3/c | 23.1 | 16.1 | 18.1 | 192. | 114. | 36.2 | 26.4 | 26.6 | 32.6 | 53.0 | 60.1 | 37.8 | 53.0 |
| mm | 9.91 | 6.31 | 7.80 | 80.1 | 49.1 | 15.1 | 11.3 | 11.4 | 13.5 | 22.8 | 25.0 | 16.3 | 269. |
| km3 | 0.062 | 0.039 | 0.049 | 0.50 | 0.31 | 0.094 | 0.071 | 0.071 | 0.084 | 0.14 | 0.16 | 0.10 | 1.67 |
| l/s/km2 | 3.70 | 2.59 | 2.91 | 30.9 | 18.3 | 5.81 | 4.23 | 4.26 | 5.23 | 8.50 | 9.64 | 6.07 | 8.51 |
| %% | 3.62 | 2.53 | 2.85 | 30.2 | 17.9 | 5.69 | 4.14 | 4.17 | 5.12 | 8.32 | 9.44 | 5.94 | 100. |
Syas at Yakhnovo
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
| 1911 | - | - | - | 176. | 271. | 32.8 | 35.8 | 15.5 | 20.3 | 30.9 | 115. | - | - |
| 1912 | - | - | - | 195. | 140. | 66.0 | 26.3 | 10.7 | 16.2 | 20.2 | - | - | - |
| 1913 | - | - | - | 298. | 40.9 | 27.7 | 33.8 | 23.8 | 21.6 | 43.8 | 110. | 79.7 | - |
| 1914 | - | - | - | 235. | 114. | 24.8 | 13.6 | 14.4 | 16.5 | 25.6 | 55.7 | - | - |
| 1915 | - | - | - | 258. | 158. | 75.1 | 21.0 | 13.3 | 14.8 | 18.4 | 38.0 | - | - |
| 1916 | - | - | - | 260. | 103. | 34.3 | 24.3 | 20.0 | 64.0 | 117. | 84.8 | - | - |
| 1917 | - | - | - | 243. | 89.6 | 20.1 | 52.2 | 17.3 | 98.0 | 93.2 | 66.1 | - | - |
| 1918 | - | - | - | 238. | 60.6 | 38.5 | 20.6 | 28.6 | 123. | 83.8 | 53.6 | 49.8 | - |
| 1919 | 23.6 | 15.7 | 14.9 | 239. | - | - | - | - | - | 52.9 | 25.3 | 11.9 | - |
| 1920 | 11.0 | 11.7 | 25.6 | 241. | 55.1 | 22.6 | 10.9 | 10.2 | 9.93 | 8.47 | 10.0 | 14.0 | 35.9 |
| 1921 | 7.61 | 9.04 | 16.4 | 260. | 29.6 | 24.4 | 31.1 | 22.9 | 15.5 | 47.5 | 51.1 | 26.3 | 45.1 |
| 1922 | 16.7 | 18.7 | 24.3 | 280. | 148. | 40.3 | 33.5 | 46.4 | 25.4 | 36.1 | 70.4 | 36.0 | 64.7 |
| 1923 | 36.1 | 28.2 | 12.5 | 41.5 | 199. | 90.6 | 29.3 | 62.2 | 46.9 | 69.6 | 115. | 57.3 | 65.7 |
| 1924 | 15.9 | 10.2 | 17.9 | 309. | 81.3 | 65.4 | 45.0 | 10.0 | 10.5 | 16.4 | 25.7 | 38.7 | 53.8 |
| 1925 | 13.0 | - | - | - | 33.9 | 67.2 | 15.3 | 9.90 | 18.2 | 88.7 | 68.3 | 37.4 | - |
| 1926 | 24.2 | 18.1 | 25.2 | 218. | 225. | 22.0 | 14.9 | 13.6 | 23.0 | 30.4 | 89.4 | 51.3 | 62.9 |
| 1927 | 15.5 | 12.6 | 19.5 | 186. | 165. | 122. | 18.6 | 10.5 | 11.9 | 18.4 | 79.9 | 41.3 | 58.4 |
| 1928 | 25.7 | 7.77 | 10.6 | 195. | 89.4 | 27.0 | 60.5 | 104. | 176. | 142. | 94.7 | 67.7 | 83.4 |
| 1929 | 45.3 | 18.3 | 17.6 | 25.9 | 247. | 28.9 | 34.7 | 31.8 | 37.9 | 64.9 | 82.2 | 63.1 | 58.1 |
| 1930 | 34.4 | 20.0 | 23.3 | 192. | 44.0 | 22.5 | 23.4 | 79.8 | 36.5 | 72.4 | 64.8 | 47.0 | 55.0 |
| 1931 | 21.7 | 14.9 | 19.6 | 207. | 104. | 33.3 | 21.0 | 21.5 | 48.5 | 70.5 | 81.3 | 37.6 | 56.7 |
| 1932 | 24.4 | 17.9 | 13.0 | 196. | 156. | 32.1 | 21.1 | 13.3 | 27.5 | 81.1 | 82.1 | 114. | 64.9 |
| 1933 | 61.9 | 15.5 | 18.2 | 142. | 69.8 | 21.4 | 14.0 | 16.0 | 71.4 | 67.4 | 61.5 | 26.2 | 48.8 |
| 1934 | 12.7 | 15.7 | 36.1 | 264. | 96.6 | 41.7 | 31.2 | 21.5 | 11.7 | 16.8 | 35.1 | 31.4 | 51.2 |
| 1935 | 15.7 | 18.9 | 32.3 | 262. | 75.2 | 34.9 | 31.2 | 28.1 | 67.2 | 144. | 85.7 | 30.9 | 68.8 |
| 1936 | 16.8 | 18.0 | 25.2 | 199. | 83.0 | 23.8 | 17.9 | 12.0 | 10.5 | 13.2 | 17.6 | 14.5 | 37.6 |
| 1937 | 27.6 | 12.6 | 25.3 | 105. | 38.1 | 25.2 | 15.6 | 20.5 | 13.5 | 11.8 | 15.4 | 11.9 | 26.9 |
| 1938 | 9.09 | 11.1 | 33.2 | 172. | 66.6 | 25.6 | 23.8 | 11.5 | 8.48 | 10.2 | 19.9 | 20.3 | 34.3 |
| 1939 | 8.39 | 8.56 | 8.55 | 174. | 65.5 | 24.5 | 25.9 | 15.7 | 9.85 | 10.7 | 21.9 | 17.5 | 32.6 |
| 1940 | 7.16 | 6.66 | 6.86 | 87.2 | 61.9 | 25.8 | 21.0 | 13.1 | 27.9 | 44.2 | 86.2 | 80.2 | 39.0 |
| 1941 | 30.5 | 10.7 | 13.8 | 54.2 | 194. | 39.3 | 17.4 | 16.4 | 14.5 | 14.6 | 12.8 | 6.94 | 35.4 |
| 1942 | 8.64 | 9.04 | 9.71 | 122. | 93.6 | 38.9 | 80.9 | 159. | 19.8 | 67.0 | 36.4 | 25.2 | 55.8 |
| 1943 | 21.2 | 13.8 | 22.7 | 311. | 107. | 16.0 | 24.0 | 18.4 | 13.0 | 31.9 | 44.2 | 30.0 | 54.4 |
| 1944 | 35.8 | 24.0 | 18.5 | 112. | 104. | 21.1 | 14.6 | 11.8 | 13.4 | 15.0 | 16.6 | 13.0 | 33.3 |
| 1945 | 6.33 | 8.24 | 10.7 | 94.4 | 80.2 | 32.6 | 15.4 | 15.6 | 60.4 | 111. | 63.4 | 16.0 | 42.9 |
| 1946 | 12.8 | 9.81 | 11.9 | 220. | 207. | 38.0 | 14.9 | 15.8 | 30.7 | 30.0 | 48.9 | 40.3 | 56.7 |
| 1947 | 9.28 | 6.43 | 5.91 | 138. | 111. | 34.9 | 11.5 | 9.28 | 8.81 | 14.9 | 30.0 | 17.8 | 33.2 |
| 1948 | 13.2 | 19.0 | 16.2 | 232. | 53.6 | 15.8 | 12.9 | 9.34 | 24.2 | 83.6 | 88.3 | 69.1 | 53.1 |
| 1949 | 27.7 | 22.5 | 20.4 | 179. | 56.9 | 99.5 | 35.1 | 19.4 | 13.7 | 30.9 | 35.4 | 62.7 | 50.3 |
| 1950 | 20.4 | 9.65 | 10.2 | 174. | 69.1 | 75.0 | 28.2 | 11.7 | 13.2 | 24.1 | 47.5 | 48.6 | 44.3 |
| 1951 | 16.2 | 11.1 | 10.7 | 232. | 44.7 | 51.6 | 63.3 | 10.6 | 8.66 | 7.36 | 8.72 | 19.3 | 40.4 |
| 1952 | 23.6 | 14.1 | 9.61 | 141. | 108. | 81.7 | 47.5 | 18.5 | 72.1 | 143. | 92.4 | 34.3 | 65.5 |
| 1953 | 25.9 | 15.6 | 14.8 | 245. | 50.8 | 51.0 | 96.8 | 115. | 67.7 | 157. | 53.2 | 103. | 83.0 |
| 1954 | 16.8 | 12.9 | 14.8 | 88.6 | 121. | 41.0 | 29.9 | 50.3 | 38.3 | 66.2 | 106. | 34.9 | 51.7 |
| 1955 | 25.0 | 24.9 | 19.6 | 82.8 | 404. | 102. | 27.5 | 19.1 | 14.1 | 21.3 | 39.7 | 20.0 | 66.7 |
| 1956 | 15.2 | 12.3 | 11.7 | 86.0 | 290. | 20.3 | 13.5 | 20.5 | 18.7 | 35.4 | 23.6 | 38.8 | 48.8 |
| 1957 | 27.8 | 30.9 | 21.7 | 212. | 102. | 46.6 | 33.7 | 33.9 | 76.9 | 153. | 88.8 | 48.5 | 73.0 |
| 1958 | 69.7 | 32.5 | 23.3 | 150. | 234. | 32.7 | 23.2 | 106. | 27.7 | 91.8 | 79.0 | 32.9 | 75.2 |
| 1959 | 23.2 | 23.8 | 27.7 | 291. | 77.1 | 17.5 | 17.5 | 11.8 | 22.1 | 39.2 | 46.0 | 11.3 | 50.7 |
| 1960 | 9.58 | 8.28 | 7.65 | 183. | 61.6 | 20.6 | 14.8 | 7.96 | 10.3 | 11.5 | 14.4 | 30.0 | 31.6 |
| 1961 | 24.5 | 15.5 | 31.5 | 151. | 136. | 24.5 | 20.0 | 53.6 | 72.4 | 29.6 | 30.6 | 27.1 | 51.4 |
| 1962 | 22.2 | 21.7 | 19.8 | 298. | 89.2 | 27.9 | 67.5 | 31.4 | 148. | 74.0 | 90.1 | 44.3 | 77.8 |
| 1963 | 23.1 | 10.6 | 10.8 | 167. | 82.8 | 15.9 | 11.5 | 10.0 | 8.83 | 28.5 | 64.5 | 18.3 | 37.7 |
| 1964 | 15.4 | 12.8 | 12.1 | 171. | 103. | 25.7 | 13.0 | 15.6 | 15.8 | 43.8 | 79.3 | 42.5 | 45.8 |
| 1965 | 24.8 | 18.5 | 20.3 | 190. | 132. | 31.6 | 18.4 | 18.7 | 14.6 | 36.2 | 41.6 | 21.0 | 47.3 |
| 1966 | 16.9 | 13.5 | 18.9 | 290. | 296. | 31.9 | 16.1 | 21.8 | 40.6 | 110. | 42.7 | 17.5 | 76.3 |
| 1967 | 11.9 | 11.0 | 24.8 | 191. | 106. | 26.2 | 22.0 | 14.3 | 20.6 | 75.5 | 89.8 | 19.1 | 51.0 |
| 1968 | 16.5 | 13.8 | 32.3 | 296. | 104. | 20.7 | 25.0 | 14.4 | 18.8 | 48.7 | 97.7 | 18.2 | 58.8 |
| 1969 | 13.1 | 9.63 | 8.76 | 196. | 219. | 39.0 | 24.0 | 15.8 | 19.5 | 65.9 | 92.7 | 73.8 | 64.8 |
| 1970 | 18.2 | 11.5 | 10.7 | 184. | 91.4 | 15.7 | 14.9 | 14.8 | 17.6 | 29.6 | 51.3 | 30.2 | 40.8 |
| 1971 | 21.3 | 37.6 | 18.8 | 203. | 78.4 | 27.6 | 14.8 | 12.2 | 17.7 | 44.3 | 43.0 | 27.7 | 45.5 |
| 1972 | 11.5 | 7.33 | 7.31 | 226. | 61.7 | 16.4 | 9.79 | 7.71 | 7.50 | 9.24 | 16.4 | 40.1 | 35.1 |
| 1973 | 12.8 | 6.92 | 9.10 | 179. | 42.4 | 12.6 | 7.65 | 7.39 | 10.1 | 17.5 | 31.9 | 14.2 | 29.3 |
| 1974 | 10.7 | 11.8 | 16.6 | 117. | 153. | 20.1 | 19.6 | 70.1 | 24.2 | 28.4 | 69.7 | 37.7 | 48.2 |
| 1975 | 53.3 | 35.3 | 43.9 | 208. | 31.9 | 28.5 | 14.5 | 10.9 | 9.15 | 10.1 | 15.3 | 17.3 | 39.8 |
| 1976 | 16.9 | 12.5 | 10.4 | 229. | 178. | 55.8 | 60.3 | 27.8 | 28.0 | 19.9 | 19.7 | 31.3 | 57.5 |
| 1977 | 14.5 | 9.48 | 9.83 | 189. | 87.8 | 37.4 | 26.0 | 37.9 | 54.5 | 107. | 116. | 31.0 | 60.0 |
| 1978 | 19.8 | 13.7 | 18.9 | 249. | 61.7 | 23.6 | 22.5 | 53.0 | 53.7 | 59.6 | 110. | 32.6 | 59.8 |
| 1979 | 13.8 | 11.6 | 11.9 | 119. | 114. | 18.2 | 21.8 | 25.0 | 16.1 | 32.7 | 39.1 | 49.8 | 39.4 |
| 1980 | 18.3 | 11.3 | 10.5 | 115. | 110. | 18.9 | 14.9 | 14.7 | 16.9 | 17.1 | 57.6 | 46.3 | 37.6 |
| 1981 | 38.8 | 28.3 | 25.8 | 169. | 130. | 39.7 | 17.1 | 14.5 | 32.4 | 83.8 | 91.5 | 38.1 | 59.1 |
| 1982 | 26.8 | 21.9 | 22.2 | 234. | 115. | 35.2 | 26.8 | 20.0 | 40.0 | 55.3 | 85.3 | 75.8 | 63.2 |
| 1983 | 71.2 | 40.9 | 38.3 | 214. | 54.3 | 20.3 | 27.2 | 21.7 | 25.0 | 108. | 101. | 91.1 | 67.8 |
| 1984 | 100. | 32.6 | 20.8 | 272. | 52.2 | 19.9 | 17.6 | 19.2 | 28.3 | 98.5 | 105. | 29.0 | 66.3 |
| 1985 | 15.1 | 13.8 | 15.0 | 136. | 138. | 29.7 | 29.0 | 15.1 | 18.4 | 39.3 | 82.1 | 25.7 | 46.4 |