Table 16. Sediment discharge measurements, Upper Paraguay river at Cáceres. 1 Date Liquid Sediment Sediment discharge discharge concentration (m3/s) (tons/day) (mg/liter) 25MAR77 709 12207 199 27MAY77 585 13272 262 30JUN77 421 7051 194 19JUL77 306 7377 279 28AUG77 246 5362 252 17SEPT77 232 6531 326 25OCT77 271 7359 314 20NOV77 349 15300 507 31JAN78 930 13452 167 16FEB78 618 8061 151 06MAR78 963 14973 180 22MAR78 911 9651 123 08MAY78 624 20256 376 13MAY78 666 22655 394 10JUN78 557 13804 287 10JUL78 395 6190 181 03AUG78 305 6310 239 09SEPT78 260 1864 83 09OCT78 253 1443 66 03NOV78 388 10946 326 05DEC78 480 5690 137 03JAN79 977 4540 54 11FEB79 1236 5875 55 26MAR79 1188 7183 70 10APR79 1094 5172 55 19MAY79 695 3605 60 08JUN79 544 2998 64 04JUL79 434 1577 42 09AUG79 334 1895 66 04SEPT79 315 1265 46 02OCT79 372 2156 67 05NOV79 374 2472 76 05DEC79 315 2040 75 03JAN80 701 2760 45 01FEB80 990 3917 46 09MAR80 1565 3993 29 01APR80 991 12674 150 07MAY80 760 18730 285 01JUN80 724 13540 216 02JUL80 422 2147 59 01AUG80 329 1567 55 05SEPT80 299 2018 78 01OCT80 322 1298 47 03NOV80 345 1242 42 15DEC80 581 4080 81 19JAN81 1013 39662 453 01FEB81 1379 4690 39 05MAR81 1021 7535 85 01APR81 997 4333 50 12MAY81 606 1460 28 26JUN81 408 1783 51 10AUG81 287 1202 48 05OCT81 302 1239 47 14DEC81 521 2440 54 02FEB82 895 24051 311 1 Source: DNOS, DNAEE, and Hidrologia S. A. (unpublished data).