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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