ST. LAWRENCE RIVER BASIN
04289000 LITTLE RIVER NEAR WATERBURY, VT
LOCATION.--Lat 44°22'12", long 72°46'11", Washington County, Hydrologic Unit 02010003, on right bank, 1 mi downstream
from Waterbury Reservoir, 1.7 mi upstream from mouth, and 2.5 mi north of Waterbury.
DRAINAGE AREA.--111 mi².
PERIOD OF RECORD.--Discharge records: July to October 1910 (gage heights only), October 1935 to current year.
October, November 1935 monthly discharge only, published in WSP 1307. Prior to October 1962, published as
Waterbury River near Waterbury.
REVISED RECORDS.--WSP 824: 1936.
GAGE.--Water-stage recorder. Concrete control since December 8, 1937. Datum of gage is 428.00 ft above sea level
(levels by U.S. Army Corps of Engineers). July 7 to October 31, 1910, nonrecording gage at site 2 mi upstream at
different datum.
REMARKS.--No estimated daily discharges. Records good. Flow completely regulated by Waterbury Reservoir
(station 04288500).
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 6,520 ft³/s, March 18, 1936, gage height, 19.38 ft; minimum daily
discharge, 0.6 ft³/s several times during summers of 1938-39, 1941, and 1944. Maximum discharge since construction
of Waterbury Reservoir in 1937, 4,080 ft³/s, December 9, 1937, gage height, 14.88 ft.
EXTREMES FOR CURRENT YEAR.--Maximum discharge, 1,550 ft³/s, November 9, gage height, 9.41 ft; minimum daily discharge,
7.7 ft³/s, January 9.
DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
1 118 16 354 442 341 421 398 513 23 16 16 252
2 167 79 305 442 15 424 398 519 320 14 16 18
3 15 15 691 442 123 424 397 520 289 54 16 17
4 168 139 795 441 215 422 399 520 287 16 16 261
5 15 294 597 439 86 421 401 518 290 16 16 278
6 15 292 529 439 152 420 416 526 311 16 178 18
7 125 294 526 437 16 418 427 531 289 315 15 17
8 14 449 526 208 125 416 423 526 19 336 145 172
9 161 895 487 7.7 20 413 419 452 304 104 16 18
10 218 1260 450 93 237 412 417 357 22 16 15 312
11 136 795 450 235 233 409 416 467 43 285 131 446
12 14 574 449 263 235 408 415 509 18 318 188 354
13 15 527 448 249 238 405 414 518 150 299 152 260
14 232 193 447 215 236 403 413 517 20 15 456 16
15 99 285 446 14 233 401 335 517 21 202 508 16
16 88 524 446 169 238 398 210 518 142 546 470 16
17 14 202 388 430 240 395 76 518 142 545 225 44
18 118 262 50 429 308 347 202 510 96 144 40 131
19 14 20 19 429 412 152 209 39 250 100 97 251
20 15 209 19 428 411 139 213 375 190 114 295 16
21 385 457 19 425 410 169 98 340 21 118 460 15
22 638 444 105 425 435 17 21 328 25 33 454 15
23 797 239 241 423 428 19 21 527 376 73 453 15
24 624 217 254 421 425 100 21 524 216 89 109 61
25 475 264 269 420 423 198 22 523 100 90 235 15
26 198 285 438 352 421 206 23 521 21 16 245 190
27 247 191 303 268 424 386 24 520 21 16 249 15
28 16 283 441 418 423 264 324 444 136 17 258 15
29 22 290 441 407 --- 391 490 241 104 16 236 176
30 351 440 442 413 --- 396 512 235 20 169 17 58
31 240 --- 442 412 --- 400 --- 21 --- 16 16 ---
TOTAL 5754 10434 11817 10635.7 7503 10194 8554 13694 4266 4124 5743 3488
MEAN 186 348 381 343 268 329 285 442 142 133 185 116
MAX 797 1260 795 442 435 424 512 531 376 546 508 446
MIN 14 15 19 7.7 15 17 21 21 18 14 15 15
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1936 - 1997, BY WATER YEAR (WY)
MEAN 184 218 233 216 258 308 456 402 212 138 151 141
MAX 749 494 477 476 527 1121 1111 954 646 433 421 375
(WY) 1946 1996 1974 1991 1947 1936 1976 1940 1973 1973 1962 1938
MIN 18.9 10.4 9.39 16.8 53.3 12.0 72.4 28.8 1.31 31.4 34.8 30.4
(WY) 1942 1941 1939 1938 1936 1938 1940 1938 1938 1977 1970 1984
SUMMARY STATISTICS FOR 1996 CALENDAR YEAR FOR 1997 WATER YEAR WATER YEARS 1936 - 1997
ANNUAL TOTAL 120369 96206.7
ANNUAL MEAN 329 264 242
HIGHEST ANNUAL MEAN 456 1976
LOWEST ANNUAL MEAN 146 1965
HIGHEST DAILY MEAN 3030 Apr 24 1260 Nov 10 4830 Mar 18 1936
LOWEST DAILY MEAN 12 Sep 17 7.7 Jan 9 a .60 Jul 10 1938
ANNUAL SEVEN-DAY MINIMUM 15 Sep 5 22 Jun 30 a .70 Jul 13 1938
INSTANTANEOUS PEAK FLOW 1550 Nov 9 6520 Mar 18 1936
INSTANTANEOUS PEAK STAGE 9.41 Nov 9 19.38 Mar 18 1936
10 PERCENT EXCEEDS 620 511 557
50 PERCENT EXCEEDS 258 252 189
90 PERCENT EXCEEDS 15 16 8.4
a See Extremes for Period of Record.
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