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Continent:

Europe

Latitude:

61.28 deg.

Country:

Russia

Longitude:

59.32

deg.

River:

Kolva

Elevation:

142.7

m

Station:

Petretcova

Area:

2830.0

km2
Mean for Observation Period: 1927 - 1985 Total months: 693
- Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
m3/c 7.58 6.55 6.15 22.3 175. 78.0 31.3 23.4 27.2 38.3 25.4 9.96 37.6
mm 7.17 5.65 5.82 20.5 166. 71.5 29.6 22.1 24.9 36.3 23.2 9.42 420.
km3 0.020 0.016 0.016 0.058 0.47 0.20 0.084 0.063 0.071 0.10 0.066 0.027 1.19
l/s/km2 2.68 2.31 2.17 7.90 62.0 27.6 11.1 8.26 9.62 13.5 8.96 3.52 13.3
%% 1.68 1.45 1.36 4.95 38.8 17.3 6.94 5.17 6.03 8.49 5.61 2.20 100.

Kolva at Petretcova

Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
1927 - - - - 181. 29.6 18.5 11.8 26.3 32.8 20.2 9.97 -
1928 8.74 7.98 8.07 8.43 250. 124. 32.1 18.1 11.5 18.2 42.9 14.2 45.4
1929 11.8 9.64 10.2 14.6 220. 113. 28.0 33.3 13.8 18.7 24.0 7.80 42.1
1930 7.01 6.65 8.11 9.20 148. 111. 34.7 21.6 22.9 36.7 26.1 10.4 36.9
1931 7.43 6.96 6.48 15.7 127. 58.1 17.8 15.8 12.2 29.5 15.8 7.38 26.7
1932 7.28 7.85 8.05 30.3 201. 39.6 40.1 11.4 23.1 42.9 38.6 15.0 38.8
1933 - - - - - - - - 26.1 18.4 28.7 9.13 -
1934 - - - 11.4 219. 29.9 10.2 11.6 9.32 25.4 27.1 5.25 -
1935 5.88 6.95 6.20 21.7 158. 31.2 24.6 20.4 12.1 36.2 34.4 8.25 30.5
1936 6.00 5.62 5.25 12.8 95.8 29.0 11.5 8.68 12.6 22.4 21.8 11.6 20.3
1937 6.75 4.62 3.87 9.62 120. 36.4 20.5 12.4 26.8 20.2 19.5 8.00 24.1
1938 6.25 5.63 5.25 14.5 109. 28.4 23.6 11.9 4.65 6.06 6.10 4.50 18.8
1939 3.87 4.00 3.63 6.12 203. 112. 32.4 23.4 43.3 46.5 9.00 6.37 41.1
1940 5.13 4.89 4.69 54.5 120. 159. 30.3 14.3 10.0 26.5 10.9 4.87 37.1
1941 5.61 4.95 4.42 4.91 157. 145. 38.4 10.7 12.9 21.5 20.2 6.35 36.0
1942 5.87 4.32 4.80 4.99 141. 78.9 29.6 17.9 21.8 42.2 58.3 9.73 35.0
1943 6.35 4.70 5.49 36.5 218. 41.1 18.3 12.3 34.2 67.5 29.6 8.13 40.2
1944 7.49 6.87 6.80 9.06 191. 61.8 35.3 62.2 38.3 18.1 12.9 6.62 38.0
1945 6.88 6.24 5.89 4.82 103. 77.4 30.5 14.2 27.1 54.1 25.2 10.6 30.5
1946 6.93 7.08 7.79 9.67 247. 76.4 30.3 11.4 9.78 6.40 4.21 5.44 35.2
1947 5.24 4.12 4.20 14.7 196. 71.0 13.0 15.8 14.5 26.8 13.3 7.86 32.2
1948 7.49 5.14 5.35 7.33 224. 59.3 95.0 49.8 22.4 58.0 34.9 14.3 48.6
1949 9.15 8.62 7.75 7.94 218. 51.5 24.3 18.1 15.6 50.8 50.6 10.8 39.4
1950 5.76 5.86 5.51 52.5 113. 58.2 76.3 52.4 58.5 68.1 14.6 10.2 43.4
1951 8.61 7.61 5.30 104. 78.6 54.1 38.9 21.6 25.3 40.7 15.5 8.58 34.1
1952 9.58 7.68 4.83 5.67 202. 114. 24.7 45.4 50.8 48.3 17.3 9.62 45.0
1953 7.98 6.17 6.14 83.6 117. 71.6 34.7 10.6 38.2 28.1 10.4 7.31 35.1
1954 6.99 6.34 5.55 29.7 121. 52.5 21.4 15.4 29.1 57.9 49.1 11.1 33.8
1955 9.66 7.09 5.74 38.3 154. 54.9 34.0 22.6 31.3 67.2 32.4 12.7 39.2
1956 8.59 7.92 6.59 7.03 164. 33.5 57.8 56.2 61.9 67.8 17.5 9.97 41.6
1957 7.44 6.48 6.20 6.86 207. 64.1 54.7 17.6 12.8 41.8 69.6 13.7 42.4
1958 10.1 7.43 8.24 12.3 210. 119. 44.5 14.4 17.2 63.5 29.5 12.6 45.7
1959 8.02 7.64 6.39 14.5 196. 84.0 29.0 20.5 44.3 28.4 11.1 8.71 38.2
1960 8.88 6.03 5.55 18.9 167. 85.3 20.2 10.8 14.2 48.1 13.5 8.02 33.9
1961 6.61 5.81 5.57 10.5 230. 101. 24.8 12.8 21.3 35.0 38.1 9.00 41.7
1962 6.70 6.71 5.44 33.5 172. 76.5 40.9 35.5 68.4 38.8 52.0 14.5 45.9
1963 10.1 7.87 6.28 14.8 185. 61.1 22.8 32.6 30.5 39.5 23.4 12.4 37.2
1964 9.66 8.61 7.18 8.32 231. 75.3 17.8 13.1 35.2 30.9 19.2 7.61 38.7
1965 6.82 6.12 5.75 8.54 259. 120. 39.8 66.1 32.8 81.8 53.0 11.6 57.6
1966 7.88 6.65 5.39 46.0 167. 41.6 18.7 21.4 46.7 104. 61.1 20.1 45.5
1967 5.72 6.22 6.11 52.2 112. 47.8 30.7 24.7 21.9 45.8 46.9 11.4 34.3
1968 8.66 7.32 7.11 12.7 225. 43.0 22.0 21.2 33.2 33.3 15.9 7.58 36.4
1969 6.47 5.04 5.24 10.5 96.2 179. 58.8 53.0 47.5 15.7 7.17 5.68 40.9
1970 5.73 5.21 5.67 9.34 188. 110. 35.7 15.5 13.6 26.8 17.3 6.92 36.6
1971 5.97 5.80 5.70 5.41 134. 168. 34.6 20.1 44.9 53.6 28.9 23.2 44.2
1972 10.0 6.50 4.89 6.72 136. 117. 13.7 12.5 11.1 20.0 14.2 9.89 30.2
1973 8.13 7.48 6.59 45.1 152. 16.8 10.9 14.7 19.9 53.4 22.6 6.56 30.3
1974 7.32 5.52 5.07 6.34 216. 121. 25.8 14.6 13.6 9.95 7.80 6.50 36.6
1975 7.01 5.66 5.62 71.2 128. 54.9 28.9 27.6 47.4 55.2 17.6 10.3 38.3
1976 7.49 6.37 6.38 14.7 261. 78.0 21.6 11.8 16.2 16.7 5.03 4.19 37.5
1977 4.85 5.08 5.96 31.8 154. 27.8 14.2 24.5 24.3 19.8 19.6 11.5 28.6
1978 8.40 7.34 8.70 13.6 150. 172. 30.3 30.0 40.6 61.3 37.5 12.6 47.7
1979 7.53 6.11 5.99 6.87 293. 91.1 31.8 39.7 21.8 66.5 25.2 10.2 50.5
1980 9.06 7.27 6.43 27.0 125. 28.5 26.1 15.8 33.9 24.0 24.8 10.0 28.2
1981 8.35 8.29 6.29 6.34 170. 125. 22.6 16.4 24.4 24.9 30.5 12.7 38.0
1982 8.52 6.14 6.46 22.6 223. 73.2 28.8 14.6 11.4 12.6 13.9 10.3 36.0
1983 8.74 7.04 6.90 110. 161. 74.7 23.5 30.3 36.7 57.2 29.2 16.1 46.8
1984 12.2 9.85 8.32 8.98 249. 74.9 51.7 19.7 40.9 22.1 14.7 9.91 43.5
1985 7.81 7.54 6.81 8.63 183. 92.6 65.2 52.2 33.0 27.7 15.7 11.6 42.6