CONNECTICUT RIVER BASIN
01144000 WHITE RIVER AT WEST HARTFORD, VT
LOCATION.--Lat 43°42'51", long 72°25'07", Windsor County, Hydrologic Unit 01080105, on left bank, 700 ft upstream from
highway bridge at West Hartford, and 7.4 mi upstream from mouth.
DRAINAGE AREA.--690 mi².
PERIOD OF RECORD.--Discharge records: June 1915 to current year. October 1927 to September 1928 monthly discharge
only, published in WSP 1301.
Water-quality records: Water years 1953, 1967-74, 1992-95.
REVISED RECORDS.--WSP 756: Drainage area. WSP 781: 1928(M). WSP 1031: 1916(m), 1923. WSP 1301: 1916-26(M),
1929(M).
GAGE.--Water-stage recorder. Datum of gage is 374.53 ft above sea level. Prior to October 30, 1927, nonrecording gage
at same site and datum.
REMARKS.--Records good except those for estimated daily discharges, which are fair. Some diurnal fluctuation at low
flow during period 1934-50 caused by powerplant upstream.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 120,000 ft³/s, November 4, 1927, gage height, 29.3 ft, from
floodmarks, from rating curve extended above 29,000 ft³/s on basis of slope-area measurement of peak flow; minimum
observed, about 35 ft³/s, August 4, 1918; minimum daily discharge, 54 ft³/s, September 27, 28, 1963. Stage and
discharge of the flood of November 4, 1927, are the greatest since at least 1761.
EXTREMES FOR CURRENT YEAR.--Peak discharges greater than base discharge of 11,600 ft³/s and maximum (*):
Discharge Gage height Discharge Gage height
Date Time (ft³/s) (ft) Date Time (ft³/s) (ft)
Oct. 21 1520 * 15,000 12.01 Feb. 22 2005 Ice Jam * 12.49
Dec. 2 1335 13,300 11.40
Minimum discharge, 109 ft³/s, October 10, 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
1 376 1030 982 e1070 e625 2570 3520 3140 1030 276 150 286
2 314 934 8420 e1150 e618 2540 2690 3770 1200 252 145 267
3 268 872 4600 e1200 e600 3320 2530 3220 957 266 141 272
4 247 820 2780 e1210 e590 2330 2790 4630 836 639 170 373
5 242 783 2220 e1200 e580 e1800 3350 3190 763 490 164 310
6 230 759 1960 e1400 e570 e1500 5510 2790 695 383 176 258
7 230 732 1770 e1100 e560 e1350 8580 4110 641 318 170 240
8 229 796 1760 e920 e540 e1250 6880 2920 601 319 150 236
9 413 3140 1580 e900 e520 e1180 4080 2480 558 303 135 239
10 527 3200 1450 e880 e500 e1100 3130 2530 512 400 129 217
11 715 2060 1370 e900 e505 e1050 2790 2440 470 351 120 204
12 527 1660 1320 e870 e495 e1000 2580 2150 436 278 145 297
13 422 1420 1320 e840 e485 e990 2880 2060 522 239 215 364
14 384 1270 1320 e820 e480 e950 3000 1890 499 234 1010 267
15 367 1100 1360 e780 e480 e920 2660 1750 427 326 458 244
16 334 950 1360 e740 e475 e900 2660 1800 386 426 308 229
17 323 1050 1420 e720 e470 e870 3040 1770 367 378 244 211
18 308 1030 2370 e680 e475 e850 3860 1600 524 323 220 204
19 291 1030 2610 e630 e644 e830 5250 1520 1800 510 199 211
20 376 1030 2160 e620 1710 e810 4580 1760 1120 387 174 205
21 11000 976 1640 e620 1260 e800 4380 1530 731 310 200 224
22 7160 909 1540 e650 e3500 e770 4200 1500 709 270 908 226
23 3590 853 1530 e900 e3700 e740 3930 1570 696 243 863 210
24 2590 802 1900 e800 e2300 e720 3730 1420 549 220 622 209
25 2010 753 6510 e760 e1600 e710 3260 1310 492 207 474 203
26 1570 883 2920 e740 e1500 1150 3030 1230 453 190 372 196
27 1320 933 2360 e720 2280 1470 2940 1120 417 185 311 186
28 1200 645 2040 e700 4340 1530 4100 1030 361 180 527 176
29 1110 762 1960 e670 --- 2230 4320 943 329 184 531 227
30 1020 789 2600 e660 --- 3300 3310 887 306 169 407 906
31 1200 --- e1500 e640 --- 3820 --- 914 --- 161 327 ---
TOTAL 40893 33971 70632 26490 32402 45350 113560 64974 19387 9417 10165 7897
MEAN 1319 1132 2278 855 1157 1463 3785 2096 646 304 328 263
MAX 11000 3200 8420 1400 4340 3820 8580 4630 1800 639 1010 906
MIN 229 645 982 620 470 710 2530 887 306 161 120 176
CFSM 1.91 1.64 3.30 1.24 1.68 2.12 5.49 3.04 .94 .44 .48 .38
IN. 2.20 1.83 3.81 1.43 1.75 2.44 6.12 3.50 1.05 .51 .55 .43
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1915 - 1997, BY WATER YEAR (WY)
MEAN 671 1019 1012 841 801 1882 3884 2000 878 487 370 399
MAX 2416 2391 3189 2178 3503 7170 7286 4734 3459 2010 1822 2774
(WY) 1946 1960 1984 1996 1981 1936 1969 1940 1947 1996 1976 1938
MIN 80.0 285 237 197 169 222 1131 634 224 108 90.5 77.5
(WY) 1964 1954 1923 1925 1940 1940 1995 1941 1921 1965 1965 1963
SUMMARY STATISTICS FOR 1996 CALENDAR YEAR FOR 1997 WATER YEAR WATER YEARS 1915 - 1997
ANNUAL TOTAL 647103 475138
ANNUAL MEAN 1768 1302 1185
HIGHEST ANNUAL MEAN 1910 1976
LOWEST ANNUAL MEAN 494 1965
HIGHEST DAILY MEAN 12900 Jan 20 11000 Oct 21 31300 Mar 18 1936
LOWEST DAILY MEAN 206 Sep 22 120 Aug 11 a 54 Sep 27 1963
ANNUAL SEVEN-DAY MINIMUM 242 Sep 19 146 Aug 6 59 Sep 22 1963
INSTANTANEOUS PEAK FLOW 15000 Oct 21 b 120000 Nov 4 1927
INSTANTANEOUS PEAK STAGE f 12.49 Feb 22 c 29.30 Nov 4 1927
INSTANTANEOUS LOW FLOW g 109 Aug 10 d 35 Aug 4 1918
ANNUAL RUNOFF (CFSM) 2.56 1.89 1.72
ANNUAL RUNOFF (INCHES) 34.89 25.62 23.34
10 PERCENT EXCEEDS 3840 3140 2700
50 PERCENT EXCEEDS 1200 820 627
90 PERCENT EXCEEDS 334 220 188
a Also occurred on September 28, 1963.
b From rating curve extended above 29,000 ft³/s as explained under Extremes paragraphs.
c From floodmarks.
d About
e Estimated.
f Ice jam
g Also occurred on August 11.
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