ST. LAWRENCE RIVER BASIN
04293500 MISSISQUOI RIVER NEAR EAST BERKSHIRE, VT
LOCATION.--Lat 44°57'30", long 72°41'55", Franklin County, Hydrologic Unit 02010007, on left bank, 1.7 mi north of
intersection of State Highways 105 and 118 in East Berkshire, 1.7 mi upstream from Trout River, 3 mi south of
Richford, and 3.8 mi downstream from North Branch.
DRAINAGE AREA.--479 mi².
PERIOD OF RECORD.--Discharge records: July 1911 to September 1923, October 1928 to current year. Monthly discharge
only for some periods, published in WSP 1307. Prior to October 1977, published as "near Richford."
Water-quality records: Water years 1954, 1967-74.
REVISED RECORDS.--WSP 784: Drainage area. WSP 1237: 1913- 14(M), 1922(M), 1923, 1929-30. WSP 1307: 1916(M).
WSP 1437: 1912.
GAGE.--Water-stage recorder. Elevation of gage is 410 ft above sea level, from topographic map. Prior to
August 1, 1915, nonrecording gage at site 0.2 mi downstream at datum 4.35 ft lower. August 1, 1915, to
September 30, 1923, water-stage recorder at present site and datum. October 1, 1928, to September 30, 1929,
nonrecording gage at former site at datum 4.6 ft lower.
REMARKS.--Records good except those for estimated daily discharges, which are fair. Diurnal fluctuation at low flow
prior to 1934.
EXTREMES OUTSIDE PERIOD OF RECORD.--Maximum discharge since at least 1830, 45,000 ft³/s during flood of November 1927,
gage height, 23.1 ft, from floodmarks, from rating curve extended above 14,100 ft³/s on basis of computation of
peak flow over dam at gage height 14.70 ft, slope-area measurement at gage height 12.90 ft, and study of discharge
per foot of width at measuring section.
EXTREMES FOR CURRENT YEAR.--Peak discharges greater than base discharge of 7,600 ft³/s and maximum (*):
Discharge Gage height Discharge Gage height
Date Time (ft³/s) (ft) Date Time (ft³/s) (ft)
Dec. 2 1030 11,700 12.65 July 15 0615 * 17,500 * 15.75
Minimum discharge, 117 ft³/s, August 11.
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
1 302 573 e1280 e675 e290 e1250 e4000 3210 730 176 193 436
2 224 460 9710 e550 e280 e3700 e3150 3850 612 161 175 418
3 198 406 9850 e510 e275 e4000 2690 3020 523 210 315 864
4 191 376 4800 e500 e270 e2750 2190 2940 456 704 334 643
5 186 364 2350 e800 e270 e2120 2710 2340 412 877 234 437
6 167 390 1560 e1300 e265 e1600 4420 2390 354 489 190 330
7 151 425 1180 e1030 e260 e1200 6360 4790 325 321 167 296
8 142 472 1030 e625 e255 e920 6380 3530 296 243 155 316
9 144 4010 948 e565 e250 e650 4220 2630 273 513 139 268
10 213 4190 941 e510 e248 e610 2290 2620 252 700 126 238
11 364 2500 818 e480 e245 e560 1710 2440 224 474 136 218
12 336 1380 751 e465 e240 e520 1480 2220 194 327 247 229
13 260 961 844 e440 e240 e475 1950 2490 232 261 613 274
14 224 732 967 e425 e235 e440 2270 1900 348 685 1780 374
15 201 570 1090 e415 e230 e400 1800 1530 362 12200 966 284
16 183 484 1050 e405 e230 e390 1750 1460 264 8900 833 240
17 172 516 1140 e400 e225 e385 2310 1330 233 3540 850 208
18 160 486 1970 e390 e230 e380 3020 1320 256 1110 896 200
19 155 536 2020 e385 e410 e370 3090 1220 387 750 508 188
20 142 667 1520 e375 e1220 e360 2930 1170 410 602 358 327
21 1190 645 e1000 e400 e2200 e355 2840 1100 336 492 434 653
22 3140 565 e870 e430 e4500 e350 2880 1790 1470 396 2370 527
23 2690 514 e820 e750 e4400 e345 2870 2180 1160 333 2710 427
24 1640 e450 e1150 e650 e2950 e340 2820 1620 676 297 1760 516
25 1220 e455 3200 e450 e1700 e330 2430 1250 437 259 1110 461
26 850 e460 2140 e420 e1040 e380 2220 1310 379 232 683 365
27 626 e455 1430 e380 e1200 e740 2280 1150 342 211 509 341
28 535 e420 1190 e350 e1500 e1230 2730 916 272 241 522 307
29 502 e435 1550 e300 --- e2100 4140 772 224 429 563 415
30 425 e455 2290 e300 --- e5600 3670 677 193 288 475 1130
31 522 --- e1130 e295 --- e4750 --- 791 --- 222 415 ---
TOTAL 17455 25352 62589 15970 25658 39600 89600 61956 12632 36643 20766 11930
MEAN 563 845 2019 515 916 1277 2987 1999 421 1182 670 398
MAX 3140 4190 9850 1300 4500 5600 6380 4790 1470 12200 2710 1130
MIN 142 364 751 295 225 330 1480 677 193 161 126 188
CFSM 1.18 1.76 4.22 1.08 1.91 2.67 6.24 4.17 .88 2.47 1.40 .83
IN. 1.36 1.97 4.86 1.24 1.99 3.08 6.96 4.81 .98 2.85 1.61 .93
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1915 - 1923, 1929 - 1997, BY WATER YEAR (WY)
MEAN 778 1029 853 634 518 1351 2995 1324 674 410 353 412
MAX 2295 2385 2330 2034 2439 4013 4882 3187 2129 1671 1528 1365
(WY) 1978 1984 1984 1990 1981 1936 1969 1940 1978 1974 1976 1954
MIN 87.4 241 270 157 115 240 923 453 178 86.0 63.3 57.5
(WY) 1949 1954 1956 1918 1980 1941 1995 1977 1988 1991 1934 1921
SUMMARY STATISTICS FOR 1996 CALENDAR YEAR FOR 1997 WATER YEAR WATER YEARS 1915-1923, 1929-1997
ANNUAL TOTAL 459040 420151
ANNUAL MEAN 1254 1151 943
HIGHEST ANNUAL MEAN 1415 1974
LOWEST ANNUAL MEAN 580 1965
HIGHEST DAILY MEAN 10700 Jan 20 12200 Jul 15 17800 Apr 18 1982
LOWEST DAILY MEAN 80 Sep 24 126 Aug 10 28 Aug 20 1919
ANNUAL SEVEN-DAY MINIMUM 93 Sep 2 164 Aug 5 39 Aug 22 1934
INSTANTANEOUS PEAK FLOW 17500 Jul 15 21200 Apr 18 1982
INSTANTANEOUS PEAK STAGE 15.75 Jul 15 a 18.92 Mar 15 1946
INSTANTANEOUS LOW FLOW 117 Aug 11
ANNUAL RUNOFF (CFSM) 2.62 2.40 1.97
ANNUAL RUNOFF (INCHES) 35.65 32.63 26.74
10 PERCENT EXCEEDS 3100 2850 2240
50 PERCENT EXCEEDS 612 516 462
90 PERCENT EXCEEDS 160 224 142
a Ice jam.
e Estimated.
Back to station selections
Back to District Home Page
To WRD National Home Page
To USGS National Home Page
Comments and suggestions can be sent to
NH-VT Webmaster