Country= Japan Station= Ishikari- Ohashi River= Ishikari Area= 12697 km2 Lat= 43.11 Lon= 141.53 Source= RivDIS PointID= 173 Area Units= km2 Discharge Units= m3/sec Starting Year= 1954 Ending Year= 1984 Total Years= 31 Total Usable Years= 30 Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Avg Annual 1954 200.9 200.9 283.7 1761.4 1003.5 386.2 252.8 885.3 450 339 419.9 471.7 554.61 1955 200.9 200.9 498.6 1432.4 795.3 417.3 661.2 842 489.8 750.8 687.4 401.6 614.85 1956 89.8 89.8 272.3 1413.3 935 490.9 359 596.2 299.3 323.9 427.9 275.1 464.38 1957 247.4 247.4 266.7 1614.7 1018.9 348.3 263.8 535.1 827.6 706.8 388.6 381.1 570.53 1958 247.4 247.4 343.5 1354 836.5 385.8 453.8 618.1 329.4 347.7 303.5 308.7 481.32 1959 194.8 194.8 328.9 1185.7 422.4 327.7 317.9 270.9 468.6 300.4 308.8 430.5 395.95 1960 118.6 110.9 127.1 195.8 293.9 112.4 108.1 275.5 255.8 164.4 172.5 174.3 175.78 1961 215 228 291.1 1430.8 1001.6 255.1 694.9 321 446.3 250.2 321.1 294.2 479.11 1962 145.2 275.5 161.7 1531.4 520.6 362.4 271.5 1426.3 602.2 401.1 344.9 335.4 531.52 1963 276.8 261.6 427.4 814.9 485.5 362.4 390.4 575.8 532.5 418.1 449.6 517.2 459.35 1964 288.5 161.9 268.7 1031.9 453.7 469.6 354.3 824.8 581 342.2 514.7 -9999 -9999 1965 194 146 312 328 448 342 379 249 785 436 372 410 366.75 1966 213 232 543 1573 1357 384 342 1058 390 435 540 302 614.08 1967 256 226 279 1260 904 412 504 292 419 414 361 343 472.5 1968 324 280 498 1020 532 289 214 441 725 379 284 266 437.67 1969 79 77.5 297 128 876 540 218 486 617 474 471 366 385.79 1970 172 182 356 1790 1810 406 253 375 319 457 606 327 587.75 1971 272 261 319 1160 674 448 377 358 549 707 521 419 505.42 1972 268 285 437 1526 721 444 323 344 419 539 569 457 527.67 1973 245 259 242 1889 1027 317 243 905 640 584 635 395 615.08 1974 242 232 208 1515 1133 528 246 437 319 437 555 292 512 1975 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1976 377 302 265 1031 738 256 142 223 195 305 555 343 394.33 1977 203 198 405 1128 1323 363 255 416 319 255 422 455 478.5 1978 295 252 282 1031 854 379 189 363 180 235 320 315 391.25 1979 220 210 221 943 791 409 256 216 254 701 599 385 433.75 1980 246 194 238 1064 995 299 172 194 226 319 511 415 406.08 1981 257 210 249 1181 738 351 422 1886 648 587 519 273 610.08 1982 245 197 227 1160 1189 406 218 286 306 264 377 441 443 1983 266 183 228 1170 351 241 213 226 269 469 324 298 353.17 1984 178 152 139 837 742 266 207 171 152 294 374 264 314.67 Avg 225.91 209.92 300.49 1183.34 832.33 366.6 310.02 536.57 433.78 421.19 441.8 357.1 468.17 Std Dev 63.47 55.12 100.87 422.15 327.59 88.79 133.81 384.29 181.24 151.89 120.42 76.65 100.12