ST. LAWRENCE RIVER BASIN
04282525 NEW HAVEN RIVER AT BROOKSVILLE NEAR MIDDLEBURY, VT
LOCATION.--Lat 44°03'42", long 73°10'16", Rutland County, Hydrologic Unit 02010002, on left bank, at downstream side of
Dog Team Road bridge, 0.2 mi south of Brooksville, 0.6 mi upstream from mouth, 1.6 mi downstream of Muddy Branch,
3.4 mi north of Middlebury.
DRAINAGE AREA.-- 115 mi².
PERIOD OF RECORD.--Discharge records: October 1990 to current year.
GAGE.--Water-stage recorder and crest-stage gage. Elevation of gage is 275 ft above sea level, from topographic map.
REMARKS.--Records good except those for estimated daily discharges, which are fair.
EXTREMES FOR CURRENT YEAR.--Peak discharges greater than base discharge of 1,500 ft³/s and maximum (*):
Discharge Gage height Discharge Gage height
Date Time (ft³/s) (ft) Date Time (ft³/s) (ft)
Oct. 21 1245 1,950 6.82 Feb. 22 1745 2,070 6.93
Nov. 9 1330 2,060 6.92 Mar. 29 1900 1,620 6.49
Dec. 2 0845 *4,950 *8.90 May 2 0015 1,930 6.80
Dec. 25 0115 1,720 6.60 May 6 2245 2,780 7.53
Minimum discharge, 28 ft³/s, August 11.
REVISIONS.--The peak discharges and annual maximum (*) reported for water years 1991, 1992, 1993, 1994, 1995, and 1996
have been revised as shown in the following table. They supersede figures published in the reports for 1991, 1992,
1993, 1994, 1995, and 1996.
Water Discharge Gage height Water Discharge Gage height
year Date Time (ft³/s) (ft) year Date Time (ft³/s) (ft)
1991 Oct. 13, 1990 2145 3,510 8.05 1996 Jan. 19, 1996 2300 *9,580 *10.92
1991 Oct. 19, 1990 0300 2,200 7.05 1996 Jan. 24, 1996 2300 2,030 6.89
1991 Oct. 24, 1990 0945 *7,170 *9.97 1996 Jan. 27, 1996 2100 2,420 7.24
1991 Nov. 10, 1990 2220 6,090 9.48 1996 Apr. 16, 1996 2314 2,030 6.89
1991 Dec. 23, 1990 1800 4,130 8.44 1996 Apr. 21, 1996 0729 2,520 7.32
1991 Apr. 21, 1991 2215 2,780 7.53 1996 Apr. 24, 1996 0659 1,950 6.82
1992 Mar. 11, 1992 2230 *3,700 *8.17 1996 Apr. 26, 1996 2344 2,800 7.54
1993 Mar. 31, 1993 1315 *1,630 *6.50 1996 May 1, 1996 0359 2,080 6.94
1994 Apr. 16, 1994 1815 *5,320 *9.09 1996 May 12, 1996 1029 3,400 7.97
1995 Aug. 6, 1995 0500 *2,660 *7.43 1996 Jul. 4, 1996 2144 2,520 7.32
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 58 103 517 e110 e117 266 448 482 236 45 35 68
2 51 95 3110 e133 e115 392 353 945 226 43 34 62
3 52 91 840 e155 e113 e310 321 453 165 178 53 116
4 52 87 448 e170 e112 e203 383 547 139 215 47 117
5 47 85 333 e210 e110 e173 402 361 125 135 82 88
6 43 83 267 e385 e110 e158 788 745 112 88 66 70
7 42 81 228 239 e109 e143 932 1230 105 70 47 69
8 40 80 228 e192 e104 e133 556 504 96 65 38 77
9 103 884 211 e150 e101 e124 347 382 92 249 35 63
10 136 449 193 e148 e98 e115 276 458 85 220 32 55
11 185 247 182 e147 e96 e106 242 438 77 110 35 51
12 100 189 177 e146 e92 e100 220 359 72 80 81 57
13 78 161 263 e138 e88 e93 242 357 81 68 223 57
14 69 137 246 e132 e88 e90 243 298 99 68 233 69
15 62 118 249 e139 e87 e88 213 264 74 98 97 80
16 58 101 210 e140 e87 e89 198 287 64 178 70 e66
17 55 114 261 e133 e88 e89 207 269 73 97 79 e62
18 53 123 428 e121 e112 e88 229 245 86 200 70 60
19 52 134 315 e120 e133 e90 256 242 182 119 53 51
20 51 138 262 e120 e225 e91 354 275 113 92 46 50
21 964 130 198 e120 e205 e90 511 245 90 74 63 78
22 582 116 e193 e120 e860 e91 549 272 99 66 166 64
23 466 107 184 e155 e470 e92 458 329 150 59 129 54
24 402 98 651 e121 e218 e94 375 243 95 53 182 60
25 250 94 898 e130 e149 e117 298 223 79 50 98 54
26 173 104 e325 e125 e147 174 265 207 72 47 75 64
27 142 102 e280 e120 529 211 248 184 63 44 68 75
28 129 92 242 e120 497 381 426 161 57 48 226 58
29 119 87 293 e119 --- 971 387 150 54 46 120 154
30 108 94 301 e118 --- 1060 308 144 48 40 91 297
31 120 --- e147 e118 --- 685 --- 173 --- 37 78 ---
TOTAL 4842 4524 12680 4594 5260 6907 11035 11472 3109 2982 2752 2346
MEAN 156 151 409 148 188 223 368 370 104 96.2 88.8 78.2
MAX 964 884 3110 385 860 1060 932 1230 236 249 233 297
MIN 40 80 147 110 87 88 198 144 48 37 32 50
CFSM 1.36 1.31 3.56 1.29 1.63 1.94 3.20 3.22 .90 .84 .77 .68
IN. 1.57 1.46 4.10 1.49 1.70 2.23 3.57 3.71 1.01 .96 .89 .76
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1990 - 1997, BY WATER YEAR (WY)
MEAN 190 209 211 183 110 255 447 287 129 96.6 106 85.1
MAX 409 369 409 386 188 494 763 592 212 276 245 132
(WY) 1991 1991 1997 1996 1997 1990 1994 1996 1996 1996 1990 1991
MIN 86.4 108 99.2 101 46.5 146 182 126 51.0 44.7 49.0 47.9
(WY) 1995 1995 1996 1994 1992 1996 1995 1995 1995 1993 1993 1996
SUMMARY STATISTICS FOR 1996 CALENDAR YEAR FOR 1997 WATER YEAR WATER YEARS 1991 - 1997
ANNUAL TOTAL 97657 72503
ANNUAL MEAN 267 199 186
HIGHEST ANNUAL MEAN 265 1996
LOWEST ANNUAL MEAN 128 1995
HIGHEST DAILY MEAN 3110 Dec 2 3110 Dec 2 3110 Dec 2 1996
LOWEST DAILY MEAN 30 Sep 8 32 Aug 10 17 Jul 14 199
ANNUAL SEVEN-DAY MINIMUM 34 Sep 2 41 Jul 27 20 Jun 30 1995
INSTANTANEOUS PEAK FLOW 4950 Dec 2 9580 Jan 19 1996
INSTANTANEOUS PEAK STAGE 8.90 Dec 2 10.92 Jan 19 1996
INSTANTANEOUS LOW FLOW 28 Aug 11 a 15 Jul 14 1995
ANNUAL RUNOFF (CFSM) 2.32 1.73 1.62
ANNUAL RUNOFF (INCHES) 31.59 23.45 21.97
10 PERCENT EXCEEDS 598 412 412
50 PERCENT EXCEEDS 52 54 49
90 PERCENT EXCEEDS 52 54 49
a Also occurred on July 15, 1995.
e Estimated.
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