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Continent:

Europe

Latitude:

0.00 deg.

Country:

f.USSR

Longitude:

0.00

deg.

River:

Umba

Elevation:

148.5

m

Station:

Istok

Area:

2380.0

km2
Mean for Observation Period: 1932 - 1990 Total months: 698
- Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
m3/c 22.9 19.4 17.5 17.6 31.2 70.4 78.0 60.0 50.5 45.5 36.5 28.8 39.9
mm 25.8 19.9 19.7 19.2 35.1 76.7 87.7 67.5 55.0 51.2 39.8 32.4 528.
km3 0.061 0.047 0.047 0.046 0.083 0.18 0.21 0.16 0.13 0.12 0.095 0.077 1.26
l/s/km2 9.63 8.14 7.36 7.42 13.1 29.6 32.8 25.2 21.2 19.1 15.3 12.1 16.7
%% 4.79 4.05 3.66 3.69 6.52 14.7 16.3 12.5 10.6 9.51 7.63 6.01 100.

Umba at Istok

Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
1932 - - - 16.0 23.2 75.1 132. 94.5 83.7 92.8 50.9 31.0 -
1933 27.0 23.1 17.9 15.7 16.3 66.5 88.5 60.4 39.7 31.2 26.5 20.7 36.1
1934 16.3 13.9 13.1 13.3 43.6 66.0 63.9 48.7 36.7 37.9 40.7 35.4 35.8
1935 26.3 19.1 14.9 14.2 16.6 74.4 104. 76.3 56.1 54.3 58.1 49.2 47.0
1936 28.4 21.7 18.8 20.7 47.8 74.9 56.4 47.0 40.9 32.3 29.6 23.6 36.8
1937 18.3 15.4 14.9 18.1 32.9 57.6 62.0 38.0 33.6 42.7 37.4 30.9 33.5
1938 23.6 19.8 16.8 15.1 24.4 94.2 114. 63.3 43.5 33.7 26.4 22.6 41.5
1939 16.2 13.1 11.4 9.90 13.9 46.8 59.9 46.6 35.0 28.6 24.9 19.8 27.2
1940 12.6 13.6 13.0 13.1 30.0 54.8 67.0 65.8 82.1 58.4 33.7 24.7 39.1
1941 21.3 19.5 19.0 18.3 18.4 45.3 56.1 42.5 31.2 25.0 15.2 12.3 27.0
1942 10.9 11.1 11.7 12.9 18.7 62.1 54.2 - - - - 22.4 -
1943 18.7 19.0 20.3 20.5 40.5 110. 96.2 94.1 81.1 68.6 38.7 34.8 53.5
1944 23.0 17.5 15.3 13.5 42.5 94.8 114. 83.0 61.8 56.5 41.0 27.0 49.2
1945 22.0 19.5 16.0 14.5 21.4 73.0 99.2 58.3 44.3 33.3 26.0 18.8 37.2
1946 14.2 11.8 11.4 13.3 23.9 47.2 52.4 43.5 34.1 25.8 19.4 15.3 26.0
1947 11.2 8.80 8.50 9.40 26.3 47.4 55.1 45.3 35.4 34.7 31.5 23.9 28.1
1948 19.5 16.3 14.3 16.1 33.9 75.3 66.1 48.5 48.6 62.2 55.1 42.1 41.5
1949 28.9 21.7 18.4 17.6 53.4 108. 104. 92.1 73.8 57.0 58.7 42.1 56.3
1950 27.5 20.4 18.5 20.4 41.1 55.9 63.7 42.8 35.8 39.7 32.1 25.1 35.3
1951 21.6 18.0 15.6 21.1 27.7 44.4 96.6 74.4 50.9 37.2 32.9 29.6 39.2
1952 26.2 23.1 18.8 16.5 19.8 77.9 87.4 77.9 66.6 59.9 39.3 31.7 45.4
1953 26.8 23.3 22.0 23.1 44.1 97.6 68.9 57.9 53.5 41.5 33.3 30.7 43.6
1954 26.0 19.8 17.0 17.3 29.4 60.4 86.5 64.4 57.2 64.4 49.6 40.5 44.4
1955 30.6 25.2 18.4 22.0 32.8 88.1 120. 81.4 54.2 36.4 21.8 20.0 45.9
1956 16.1 14.0 15.7 16.4 26.5 66.8 54.2 37.2 31.3 30.6 26.5 22.7 29.8
1957 20.2 18.5 16.7 16.6 32.2 74.0 76.3 53.1 55.7 49.3 49.6 39.3 41.8
1958 28.8 23.0 17.5 20.2 24.6 61.0 93.6 83.8 52.5 41.4 31.9 24.6 41.9
1959 25.1 19.6 20.3 17.6 43.4 54.2 51.6 46.9 55.4 52.7 40.1 29.3 38.0
1960 23.5 19.3 17.5 20.3 31.3 40.7 34.3 25.7 22.2 19.4 16.6 14.7 23.8
1961 13.4 10.1 11.1 14.2 17.4 73.8 78.2 59.8 47.0 37.4 33.7 28.3 35.4
1962 25.5 23.1 18.6 18.6 29.8 62.0 84.4 72.7 66.0 50.7 41.3 24.2 43.1
1963 22.9 18.7 16.1 20.0 54.3 76.3 70.8 50.1 54.4 58.7 47.7 33.5 43.6
1964 26.4 22.3 18.0 17.4 30.9 66.2 67.8 52.0 48.8 47.8 38.3 31.4 38.9
1965 27.3 23.8 20.8 18.7 25.6 53.8 86.4 69.8 67.4 56.4 47.3 37.2 44.5
1966 24.4 17.4 14.1 16.6 33.7 82.8 83.9 62.8 56.0 54.7 44.2 36.3 43.9
1967 28.3 21.5 22.9 23.2 34.2 84.7 94.9 63.9 49.8 39.6 49.9 33.8 45.6
1968 29.3 25.4 21.8 24.2 25.3 59.2 63.2 49.0 39.4 32.1 26.0 23.2 34.8
1969 18.4 12.5 11.2 14.2 18.6 48.3 66.3 52.8 47.8 56.2 49.4 38.0 36.1
1970 27.4 20.3 20.1 19.5 26.8 72.3 71.2 54.3 52.0 60.1 50.0 35.7 42.5
1971 27.2 23.8 17.0 16.7 24.8 63.7 82.4 72.8 80.9 62.2 40.2 34.3 45.5
1972 28.2 22.3 18.9 19.0 20.6 65.3 60.0 41.3 40.1 46.2 39.7 30.7 36.0
1973 25.6 21.4 18.8 20.0 29.2 80.3 69.0 42.6 31.6 25.3 21.9 19.3 33.8
1974 19.2 19.2 18.3 15.7 19.1 65.7 78.6 62.5 56.1 52.8 36.5 30.6 39.5
1975 26.9 18.8 20.4 16.2 49.5 105. 102. 81.9 56.2 54.4 39.2 31.1 50.1
1976 - - - 20.0 35.4 70.4 82.3 62.6 44.7 31.0 24.0 21.1 -
1977 19.2 17.6 17.1 16.7 37.8 80.0 80.4 67.0 46.6 34.8 30.0 29.0 39.7
1978 25.6 21.8 21.1 20.4 21.8 54.3 69.8 56.2 57.9 54.1 49.8 37.8 40.9
1979 22.7 20.8 20.5 19.0 30.8 78.1 70.9 48.2 40.0 45.0 31.3 23.0 37.5
1980 19.7 16.6 16.0 15.7 18.0 56.1 51.4 34.3 29.3 30.5 29.7 24.4 28.5
1981 21.9 20.6 18.6 18.8 23.3 78.1 106. 73.7 56.2 52.2 38.6 29.6 44.8
1982 23.1 21.1 19.4 18.7 47.9 89.3 113. 74.4 56.4 44.1 31.8 29.1 47.4
1983 25.0 21.9 19.6 19.0 36.4 74.2 69.3 50.9 41.0 44.0 34.4 29.4 38.8
1984 25.9 23.1 22.1 20.7 41.5 99.4 93.1 90.0 57.3 43.1 33.3 21.8 47.6
1985 19.6 18.8 18.1 17.2 19.0 54.9 67.9 47.2 55.3 61.7 45.0 29.8 37.9
1986 22.8 20.5 19.2 17.8 33.5 89.6 75.1 50.2 37.6 33.3 30.3 31.2 38.4
1987 24.7 22.6 21.4 19.9 33.7 64.5 78.3 63.1 60.5 51.3 39.9 32.2 42.7
1988 22.4 20.5 19.4 18.2 26.5 52.8 53.2 52.5 52.7 53.0 42.5 33.2 37.2
1989 27.6 25.6 22.3 20.1 61.5 95.6 91.1 76.4 62.4 49.4 40.0 30.6 50.2
1990 24.6 23.5 22.5 21.2 51.5 65.0 60.1 52.9 38.6 29.3 24.2 21.7 36.3