Official Statistics
Average outflow and total rainfall for Wales: 1961 to 2013
Updated 8 December 2014
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| Title: | Average outflow and total rainfall for Wales: 1961 to 2013 | ||||||
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| Year: | 1961 to 2013 | Not set | Not set | Not set | Not set | Not set | Not set |
| Geography: | Wales | Not set | Not set | Not set | Not set | Not set | Not set |
| Units: | Rainfall, millimetres (mm); outflow, cumecs (m3/s) | Not set | Not set | Not set | Not set | Not set | Not set |
| Source: | National Hydrological Monitoring Programme: NERC Centre for Ecology & Hydrology, Met Office | Not set | Not set | Not set | Not set | Not set | Not set |
| URL: | http://www.defra.gov.uk/statistics/environment/inland-water/ | Not set | Not set | Not set | Not set | Not set | Not set |
| Copyright: | Copyright of data and/or information presented or attached in this document may not reside solely with this Department. | Not set | Not set | Not set | Not set | Not set | Not set |
| Nat. Statistic: | No | Not set | Not set | Not set | Not set | Not set | Not set |
| Custodian | Environment Statistics Service, Department for Environment, Food and Rural Affairs, Area 6E Ergon House, 17 Smith Square, London SW1P 3JR, 08459 33 55 77 | Not set | Not set | Not set | Not set | Not set | Not set |
| Contact: | enviro.statistics@defra.gsi.gov.uk | Not set | Not set | Not set | Not set | Not set | Not set |
| Release Date: | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| Notes: | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
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| Not set | Not set | WATER YEAR (Oct-Sep) | Not set | WINTER (Dec-Feb) | Not set | SUMMER (Jun-Aug) | Not set |
| Not set | Water Year | Rain (mm) | Outflow (m3/s) | Rain (mm) | Outflow (m3/s) | Rain (mm) | Outflow (m3/s) |
| Not set | 1961/62 | 1401 | 589 | 382 | 1028 | 272 | 200 |
| Not set | 1962/63 | 1088 | 469 | 182 | 405 | 291 | 242 |
| Not set | 1963/64 | 993 | 370 | 120 | 292 | 246 | 188 |
| Not set | 1964/65 | 1393 | 590 | 421 | 1077 | 315 | 301 |
| Not set | 1965/66 | 1459 | 705 | 565 | 1424 | 299 | 298 |
| Not set | 1966/67 | 1502 | 659 | 473 | 1128 | 250 | 265 |
| Not set | 1967/68 | 1508 | 736 | 351 | 956 | 289 | 381 |
| Not set | 1968/69 | 1210 | 584 | 371 | 932 | 233 | 257 |
| Not set | 1969/70 | 1334 | 576 | 454 | 1085 | 281 | 204 |
| Not set | 1970/71 | 1285 | 533 | 313 | 810 | 330 | 291 |
| Not set | 1971/72 | 1266 | 559 | 328 | 798 | 272 | 390 |
| Not set | 1972/73 | 1223 | 463 | 354 | 870 | 256 | 267 |
| Not set | 1973/74 | 1425 | 608 | 558 | 1334 | 301 | 222 |
| Not set | 1974/75 | 1265 | 570 | 431 | 1109 | 192 | 114 |
| Not set | 1975/76 | 934 | 307 | 267 | 579 | 82 | 79 |
| Not set | 1976/77 | 1361 | 614 | 458 | 1127 | 238 | 157 |
| Not set | 1977/78 | 1336 | 596 | 406 | 928 | 273 | 210 |
| Not set | 1978/79 | 1264 | 599 | 402 | 895 | 201 | 228 |
| Not set | 1979/80 | 1466 | 654 | 534 | 1289 | 326 | 270 |
| Not set | 1980/81 | 1528 | 695 | 338 | 819 | 162 | 207 |
| Not set | 1981/82 | 1398 | 657 | 358 | 962 | 293 | 213 |
| Not set | 1982/83 | 1533 | 733 | 450 | 1177 | 163 | 163 |
| Not set | 1983/84 | 1152 | 491 | 487 | 1210 | 150 | 83 |
| Not set | 1984/85 | 1478 | 674 | 286 | 747 | 443 | 564 |
| Not set | 1985/86 | 1296 | 607 | 407 | 1099 | 299 | 282 |
| Not set | 1986/87 | 1447 | 672 | 411 | 1014 | 266 | 253 |
| Not set | 1987/88 | 1682 | 784 | 485 | 1232 | 367 | 410 |
| Not set | 1988/89 | 1093 | 484 | 328 | 682 | 208 | 112 |
| Not set | 1989/90 | 1396 | 643 | 667 | 1695 | 225 | 141 |
| Not set | 1990/91 | 1323 | 577 | 418 | 1006 | 271 | 229 |
| Not set | 1991/92 | 1337 | 546 | 233 | 553 | 375 | 355 |
| Not set | 1992/93 | 1390 | 611 | 371 | 1070 | 291 | 345 |
| Not set | 1993/94 | 1522 | 733 | 606 | 1516 | 219 | 162 |
| Not set | 1994/95 | 1398 | 685 | 685 | 1706 | 116 | 118 |
| Not set | 1995/96 | 1091 | 430 | 326 | 750 | 198 | 182 |
| Not set | 1996/97 | 1244 | 477 | 284 | 655 | 330 | 253 |
| Not set | 1997/98 | 1536 | 688 | 399 | 1026 | 350 | 366 |
| Not set | 1998/99 | 1638 | 784 | 494 | 1193 | 241 | 187 |
| Not set | 1999/00 | 1534 | 734 | 534 | 1252 | 274 | 323 |
| Not set | 2000/01 | 1741 | 872 | 476 | 1380 | 292 | 243 |
| Not set | 2001/02 | 1437 | 691 | 522 | 1374 | 225 | 237 |
| Not set | 2002/03 | 1346 | 538 | 351 | 872 | 220 | 169 |
| Not set | 2003/04 | 1403 | 522 | 475 | 1068 | 310 | 203 |
| Not set | 2004/05 | 1267 | 521 | 335 | 788 | 230 | 156 |
| Not set | 2005/06 | 1340 | 567 | 260 | 575 | 188 | 146 |
| Not set | 2006/07 | 1793 | 854 | 607 | 1615 | 449 | 664 |
| Not set | 2007/08 | 1550 | 679 | 510 | 1240 | 433 | 468 |
| Not set | 2008/09 | 1347 | 568 | 296 | 733 | 404 | 398 |
| Not set | 2009/10 | 1417 | 594 | 316 | 860 | 306 | 222 |
| Not set | 2010/11 | 1163 | 471 | 332 | 810 | 288 | 239 |
| Not set | 2011/12 | 1546 | 669 | 405 | 975 | 509 | 716 |
| Not set | 2012/13 | 1371 | 665 | 481 | 1308 | 233 | 206 |