Continent: |
Asia | Latitude: |
62.10 | deg. |
Country: |
Russia | Longitude: |
150.67 |
deg. |
River: |
Bokhapcha | Elevation: |
334.0 |
m |
Station: |
5,4 km up Mouth | Area: |
13600.0 |
km2 |
| Mean for Observation Period: | 1936 | - | 1988 | Total months: | 603 |
| - | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
| m3/c | 2.46 | 1.20 | 0.74 | 0.93 | 196. | 597. | 269. | 221. | 156. | 42.3 | 13.2 | 5.84 | 125. |
| mm | 0.48 | 0.22 | 0.15 | 0.18 | 38.5 | 114. | 53.0 | 43.4 | 29.8 | 8.34 | 2.51 | 1.15 | 291. |
| km3 | 0.0066 | 0.0029 | 0.0020 | 0.0024 | 0.52 | 1.55 | 0.72 | 0.59 | 0.40 | 0.11 | 0.034 | 0.016 | 3.96 |
| l/s/km2 | 0.18 | 0.088 | 0.054 | 0.069 | 14.4 | 43.9 | 19.8 | 16.2 | 11.5 | 3.11 | 0.97 | 0.43 | 9.22 |
| %% | 0.16 | 0.080 | 0.049 | 0.062 | 13.0 | 39.7 | 17.9 | 14.7 | 10.4 | 2.81 | 0.88 | 0.39 | 100. |
Bokhapcha at 5,4 km up Mouth
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
| 1936 | 6.60 | 3.10 | 2.50 | 2.10 | 483. | 459. | 138. | 276. | 200. | 57.5 | 21.6 | 8.30 | 138. |
| 1937 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1938 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1939 | - | - | - | 0.10 | - | - | - | - | - | - | 17.6 | 8.60 | - |
| 1940 | 3.50 | 2.10 | 2.40 | 2.80 | 325. | 605. | 304. | 261. | 106. | 28.0 | 14.6 | 7.80 | 139. |
| 1941 | 3.30 | 1.40 | 0.90 | 1.00 | 202. | 639. | 273. | 324. | 260. | 60.0 | 22.5 | 9.70 | 150. |
| 1942 | 3.30 | 1.60 | 0.90 | 0.50 | 71.8 | 424. | 286. | 183. | 118. | 30.2 | 14.0 | 8.70 | 95.2 |
| 1943 | 6.70 | 4.70 | 3.70 | 3.80 | 418. | 407. | 272. | 277. | 396. | 80.1 | 13.4 | 8.10 | 158. |
| 1944 | 3.20 | 1.10 | 0.50 | 0.90 | 315. | 301. | 326. | 204. | 202. | 154. | 22.2 | 9.80 | 128. |
| 1945 | 2.60 | 0.60 | 0.40 | 0.90 | 290. | 393. | 249. | 275. | 86.8 | 24.3 | 15.8 | 8.60 | 112. |
| 1946 | 3.70 | 1.30 | 0.80 | 1.10 | 183. | 442. | 263. | 264. | 300. | 78.1 | 11.3 | 5.40 | 129. |
| 1947 | 2.00 | 0.90 | 0.70 | 1.50 | 9.20 | 1070. | 337. | 125. | 76.9 | 27.0 | 8.40 | 3.60 | 139. |
| 1948 | 1.80 | 0.60 | 0.30 | 1.50 | 215. | 287. | 124. | 150. | 109. | 28.0 | 6.00 | 2.80 | 77.2 |
| 1949 | 1.20 | 0.40 | 0.20 | 0.20 | 91.4 | 358. | 104. | 102. | 63.7 | 19.6 | 6.10 | 1.80 | 62.4 |
| 1950 | 0.90 | 0.70 | 0.60 | 0.40 | 24.8 | 1010. | 320. | 466. | 172. | 28.1 | 11.4 | 5.90 | 170. |
| 1951 | 2.50 | 1.20 | 0.80 | 0.40 | 75.9 | 1200. | 370. | 166. | 105. | 53.3 | 16.2 | 6.60 | 166. |
| 1952 | 3.00 | 1.00 | 0.30 | 0.40 | 48.0 | 720. | 260. | 301. | 114. | 38.2 | 11.0 | 3.10 | 125. |
| 1953 | 1.60 | 1.00 | 0.50 | 0.50 | 265. | 442. | 321. | 132. | 106. | 42.0 | 14.0 | 5.40 | 111. |
| 1954 | 1.70 | 0.90 | 0.40 | 1.70 | 76.0 | 875. | 167. | 119. | 229. | 46.6 | 13.1 | 4.30 | 128. |
| 1955 | 1.70 | 0.60 | 0.30 | 0.10 | 169. | 313. | 302. | 184. | 109. | 35.9 | 10.7 | 6.30 | 94.4 |
| 1956 | 4.70 | 3.40 | 2.60 | 2.70 | 34.1 | 1480. | 242. | 86.7 | 157. | 35.1 | 12.1 | 6.20 | 172. |
| 1957 | 2.40 | 0.60 | 0.20 | 0.20 | 151. | 348. | 164. | 116. | 51.2 | 28.7 | 11.1 | 4.00 | 73.1 |
| 1958 | 1.60 | 1.00 | 0.40 | 0.20 | 45.4 | 614. | 386. | 287. | 104. | 27.2 | 9.40 | 2.50 | 123. |
| 1959 | 1.30 | 0.80 | 0.20 | 0.10 | 346. | 400. | 143. | 151. | 140. | 33.2 | 12.2 | 3.40 | 103. |
| 1960 | 1.10 | 0.60 | 0.40 | 0.40 | 45.5 | 655. | 234. | 180. | 119. | 26.3 | 10.1 | 6.50 | 107. |
| 1961 | 3.10 | 1.20 | 0.60 | 1.50 | 90.6 | 625. | 471. | 180. | 136. | 33.3 | 11.2 | 4.20 | 130. |
| 1962 | 1.70 | 0.30 | 0.10 | 0.20 | 237. | 429. | 233. | 145. | 57.5 | 22.5 | 11.3 | 3.80 | 95.1 |
| 1963 | 2.10 | 1.90 | 1.10 | 0.60 | 18.0 | 1020. | 392. | 199. | 80.1 | 32.7 | 11.8 | 5.60 | 147. |
| 1964 | 1.90 | 0.30 | 0.10 | 0.10 | 122. | 297. | 217. | 306. | 78.8 | 24.3 | 6.10 | 4.10 | 88.1 |
| 1965 | 1.70 | 0.70 | 0.30 | 0.30 | 93.8 | 717. | 162. | 162. | 99.2 | 24.3 | 9.90 | 2.90 | 106. |
| 1966 | 0.40 | 0.30 | 0.20 | 0.10 | 156. | 389. | 156. | 244. | 327. | 26.3 | 14.4 | 7.00 | 110. |
| 1967 | 2.60 | 1.20 | 0.60 | 0.30 | 616. | 314. | 321. | 235. | 137. | 47.8 | 20.4 | 7.20 | 142. |
| 1968 | 0.50 | 0.30 | 0.30 | 0.60 | 522. | 729. | 285. | 148. | 93.9 | 43.2 | 6.40 | 0.80 | 153. |
| 1969 | 0.10 | 0.10 | 0.040 | 0.024 | 79.5 | 722. | 380. | 154. | 81.0 | 24.2 | 11.5 | 4.40 | 121. |
| 1970 | 1.70 | 0.60 | 0.40 | 0.40 | 280. | 470. | 144. | 163. | 242. | 68.4 | 12.8 | 4.60 | 116. |
| 1971 | 1.10 | 0.50 | 0.20 | 0.20 | 383. | 344. | 192. | 94.6 | 50.7 | 20.8 | 7.40 | 1.80 | 91.4 |
| 1972 | 0.50 | 0.10 | 0.085 | 1.40 | 172. | 441. | 238. | 292. | 255. | 36.2 | 13.4 | 5.30 | 121. |
| 1973 | 1.70 | 0.70 | 0.50 | 0.30 | 200. | 306. | 88.4 | 114. | 121. | 57.5 | 13.4 | 7.30 | 75.9 |
| 1974 | 4.80 | 1.70 | 0.60 | 0.70 | 289. | 418. | 224. | 189. | 198. | 54.5 | 11.8 | 4.20 | 116. |
| 1975 | 1.10 | 0.40 | 0.30 | 0.20 | 251. | 462. | 195. | 254. | 287. | 45.8 | 11.1 | 5.70 | 126. |
| 1976 | 1.90 | 0.40 | 0.10 | 0.10 | 127. | 714. | 168. | 91.3 | 84.0 | 19.9 | 7.70 | 3.90 | 102. |
| 1977 | 0.90 | 0.20 | 0.10 | 0.10 | 209. | 282. | 219. | 416. | 201. | 56.6 | 13.4 | 5.60 | 117. |
| 1978 | 1.90 | 0.80 | 0.30 | 0.30 | 84.0 | 1070. | 816. | 293. | 75.6 | 22.4 | 10.8 | 4.40 | 198. |
| 1979 | 0.70 | 0.20 | 0.10 | 0.10 | 338. | 477. | 372. | 375. | 138. | 24.1 | 12.9 | 6.40 | 145. |
| 1980 | 2.70 | 1.10 | 0.70 | 1.50 | 41.8 | 1540. | 513. | 173. | 228. | 50.1 | 17.0 | 7.60 | 215. |
| 1981 | 4.40 | 2.40 | 1.00 | 1.10 | 298. | 432. | 135. | 221. | 145. | 102. | 15.5 | 8.80 | 114. |
| 1982 | 3.70 | 2.10 | 1.70 | 2.10 | 308. | 378. | 336. | 398. | 358. | 40.7 | 17.9 | 6.50 | 154. |
| 1983 | 3.30 | 1.80 | 1.30 | 1.60 | 211. | 412. | 165. | 269. | 89.5 | 29.2 | 11.6 | 5.00 | 100. |
| 1984 | 2.40 | 1.30 | 0.80 | 2.30 | 258. | 421. | 326. | 255. | 110. | 31.2 | 17.0 | 6.30 | 119. |
| 1985 | 1.60 | 1.40 | 0.90 | 1.40 | 82.7 | 1020. | 540. | 251. | 150. | 34.5 | 17.0 | 10.9 | 176. |
| 1986 | 5.80 | 4.10 | 2.50 | 3.70 | 140. | 656. | 181. | 341. | 427. | 91.9 | 21.1 | 12.6 | 157. |
| 1987 | 5.60 | 2.60 | 1.50 | 1.30 | 23.9 | 796. | 203. | 187. | 165. | 43.2 | 18.4 | 7.30 | 121. |
| 1988 | 2.80 | 1.60 | 0.60 | 1.50 | 265. | 538. | 202. | 249. | 66.2 | 28.3 | 13.9 | 6.00 | 115. |