Continent: |
Asia | Latitude: |
63.27 | deg. |
Country: |
Russia | Longitude: |
152.07 |
deg. |
River: |
Seymchan | Elevation: |
322.2 |
m |
Station: |
2,1 km up Mouth Brook Ch | Area: |
2920.0 |
km2 |
| Mean for Observation Period: | 1940 | - | 1988 | Total months: | 389 |
| - | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
| m3/c | -2307. | -4285. | -7499. | -909. | 54.1 | 160. | 65.8 | 60.6 | 35.3 | -658. | -729. | -768. | -1398. |
| mm | -2116. | -3582. | -6879. | -807. | 49.6 | 142. | 60.4 | 55.6 | 31.4 | -603. | -647. | -704. | -15111. |
| km3 | -6. | -10. | -20. | -2. | 0.14 | 0.42 | 0.18 | 0.16 | 0.092 | -2. | -2. | -2. | -44. |
| l/s/km2 | -790. | -1468. | -2568. | -311. | 18.5 | 54.9 | 22.5 | 20.8 | 12.1 | -225. | -250. | -263. | -479. |
| %% | 13.8 | 25.5 | 44.7 | 5.42 | 0. | -1. | 0. | 0. | 0. | 3.92 | 4.35 | 4.58 | 100. |
Seymchan at 2,1 km up Mouth Brook Ch
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
| 1940 | 0.10 | - | - | 0.016 | - | 233. | 66.6 | 79.1 | 42.2 | 12.5 | 3.50 | 0.90 | - |
| 1941 | 0.10 | - | - | 0.20 | 45.2 | 169. | 103. | 66.1 | 46.3 | 15.9 | 4.10 | 1.40 | - |
| 1942 | 0.30 | 0.0040 | - | - | 29.0 | 218. | 72.3 | 85.8 | 34.5 | 8.20 | 4.30 | 1.60 | - |
| 1943 | 0.50 | 0.088 | 0.020 | 0.0030 | 131. | 84.4 | 60.6 | 54.8 | 64.7 | 20.3 | 4.10 | 2.20 | 35.2 |
| 1944 | 0.40 | 0.0050 | - | - | 132. | 87.2 | 99.9 | 76.2 | 45.2 | 32.0 | 6.90 | 1.90 | - |
| 1945 | 0.30 | - | - | 0.054 | 90.0 | 153. | 57.2 | 69.8 | 55.8 | 10.4 | 3.70 | 1.70 | - |
| 1946 | 0.70 | - | - | - | 77.8 | 115. | 70.5 | 46.1 | 42.3 | 8.80 | 3.70 | 1.50 | - |
| 1947 | 0.30 | 0.015 | - | - | 1.10 | 315. | 108. | 119. | 37.7 | 15.6 | 3.90 | 0.30 | - |
| 1948 | - | - | - | 0.022 | 85.4 | 76.9 | 50.5 | 53.5 | 21.8 | 8.00 | 1.80 | 0.30 | - |
| 1949 | - | - | - | - | 42.6 | 87.4 | 36.1 | 27.8 | 17.3 | 5.50 | 1.40 | 0.051 | - |
| 1950 | - | - | - | - | 1.40 | 276. | 142. | 135. | 28.0 | 6.80 | 3.40 | 0.40 | - |
| 1951 | 0.012 | - | - | - | 8.20 | 264. | 60.2 | 36.1 | 22.5 | 10.9 | 2.70 | 0.40 | - |
| 1952 | - | - | - | - | 4.80 | 197. | 62.5 | 39.8 | 21.5 | 7.60 | 1.70 | 0.039 | - |
| 1953 | - | - | - | - | 67.7 | 256. | 77.2 | 89.4 | 38.1 | 11.9 | 3.90 | 0.90 | - |
| 1954 | - | - | - | - | 9.20 | 261. | 75.0 | 39.5 | 64.8 | 13.7 | 3.80 | 1.00 | - |
| 1955 | 0.071 | - | - | - | 51.3 | 146. | 59.4 | 36.4 | 15.4 | 4.80 | 1.70 | 0.10 | - |
| 1956 | - | - | - | - | 6.80 | 339. | 52.9 | 23.6 | 41.5 | 7.90 | 1.60 | 0.10 | - |
| 1957 | - | - | - | - | 38.1 | 163. | 49.9 | 35.3 | 15.3 | 6.00 | 1.90 | 0.10 | - |
| 1958 | - | - | - | - | 25.9 | 184. | 76.6 | 31.6 | 20.8 | 8.30 | 2.80 | 0.048 | - |
| 1959 | - | - | - | - | 106. | 124. | 42.3 | 30.8 | 23.7 | 6.70 | 1.20 | - | - |
| 1960 | - | - | - | - | 7.10 | 198. | 77.4 | 120. | 50.5 | 8.60 | 2.90 | 0.50 | - |
| 1961 | - | - | - | - | 21.1 | 173. | 39.0 | 54.4 | 36.4 | 10.3 | 2.80 | 0.073 | - |
| 1962 | - | - | - | - | 84.5 | 117. | 115. | 41.5 | 18.0 | 6.70 | 2.90 | 0.059 | - |
| 1963 | - | - | - | 0.0060 | 6.10 | 255. | 152. | 88.6 | 29.1 | 10.8 | 2.10 | 0.30 | - |
| 1964 | - | - | - | - | 50.5 | 98.6 | 25.7 | 72.5 | 23.4 | 8.50 | 1.50 | - | - |
| 1965 | - | - | - | - | 11.9 | 149. | 46.3 | 34.5 | 25.0 | 6.30 | 1.40 | 0.10 | - |
| 1966 | - | - | - | - | 75.9 | 142. | 35.8 | 45.2 | 85.7 | 9.60 | 2.10 | 0.20 | - |
| 1967 | - | - | - | - | 183. | 88.3 | 107. | 53.1 | 59.6 | 12.5 | 2.50 | 0.30 | - |
| 1968 | - | - | - | - | 127. | 136. | 133. | 61.0 | 19.1 | 7.30 | 1.90 | 0.094 | - |
| 1969 | - | - | - | - | 7.80 | 250. | 68.0 | 31.5 | 26.9 | 6.60 | 1.40 | 0.20 | - |
| 1970 | - | - | - | - | 80.3 | 116. | 43.1 | 65.3 | 53.3 | 13.3 | 2.60 | 0.70 | - |
| 1971 | - | - | - | 0.0050 | 102. | 76.5 | 34.5 | 42.3 | 18.0 | 6.40 | 1.60 | 0.20 | - |
| 1972 | - | - | - | - | 31.8 | 139. | 37.7 | 40.1 | 37.7 | 6.30 | 2.00 | 0.10 | - |
| 1973 | - | - | - | - | 96.2 | 87.2 | 23.4 | 30.6 | 29.5 | 8.00 | 3.10 | 0.60 | - |
| 1974 | - | - | - | - | 65.9 | 89.4 | 39.9 | 93.9 | 51.6 | 8.00 | 2.50 | 0.40 | - |
| 1975 | - | - | - | - | 73.5 | 94.9 | 53.6 | 118. | 10.1 | 1.40 | 0.011 | 33.8 | - |
| 1976 | - | - | - | - | 5.60 | 172. | 43.6 | 27.3 | 14.2 | 4.80 | 0.70 | 0.045 | - |
| 1977 | - | - | - | - | 53.5 | 115. | 39.8 | 103. | 43.7 | 12.6 | 4.00 | 0.50 | - |
| 1978 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1979 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1980 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1981 | - | - | - | - | 80.5 | 64.3 | 31.3 | 36.0 | 38.7 | 11.4 | - | - | - |
| 1982 | - | - | - | - | 70.2 | 89.8 | 67.9 | 81.7 | 53.8 | 12.7 | - | - | - |
| 1983 | - | - | - | - | 57.0 | 85.3 | 30.4 | 36.8 | 22.7 | 6.70 | - | - | - |
| 1984 | - | - | - | - | 55.9 | 126. | 79.9 | 42.8 | 25.3 | 8.00 | - | - | - |
| 1985 | - | - | - | 0.20 | 14.0 | 314. | 138. | 62.3 | 29.4 | - | - | - | - |
| 1986 | -9999. | -9999. | -9999. | 0.20 | 36.3 | 150. | 41.9 | 99.8 | 43.1 | -9999. | -9999. | -9999. | -4969. |
| 1987 | -9999. | -9999. | -9999. | 0.021 | 5.10 | 226. | 68.9 | 54.5 | 54.3 | -9999. | -9999. | -9999. | -4965. |
| 1988 | -9999. | -9999. | -9999. | -9999. | 79.4 | 76.4 | 33.1 | 74.9 | 27.6 | -9999. | -9999. | -9999. | -5808. |