ST. LAWRENCE RIVER BASIN

                                      04288000 MAD RIVER NEAR MORETOWN, VT

LOCATION.--Lat 44°16'42", long 72°44'37", Washington County, Hydrologic Unit 02010003, on left bank, at downstream side 
    of highway bridge, 2.4 mi downstream from Moretown, and 3.8 mi upstream from mouth.
DRAINAGE AREA.--139 mi².
PERIOD OF RECORD.--Discharge records:  October 1928 to current year. 
    Water-quality records:  Water years 1954-55, 1957, 1967-74.
REVISED RECORDS.--WSP 744:  Drainage area.  WSP 854:  1934(M).  WSP 1114:  1929, 1930(M), 1936-37.
GAGE.--Water-stage recorder.  Concrete control since October 13, 1933.  Datum of gage is 543.93 ft above sea level 
    (levels by Vermont Department of Highway).  July 6 to November 4, 1910, nonrecording gage at same site at different 
    datum.  November 20, 1928, to September 27, 1930, nonrecording gage at same site at present datum.
REMARKS.--Records good except those for estimated daily discharges, which are fair.  Occasional diurnal fluctuation at 
    low flow; much greater regulation prior to 1958. 
EXTREMES OUTSIDE PERIOD OF RECORD.--Maximum discharge since at least 1830, 23,000 ft³/s, November 3, 1927, gage height, 
    19.4 ft, from floodmarks, by computation of peak flow over dam.
EXTREMES FOR CURRENT YEAR.--Peak discharges greater than base discharge of 3,400 ft³/s and maximum (*):
                           Discharge        Gage height                                   Discharge        Gage height
  Date         Time         (ft³/s)            (ft)              Date         Time         (ft³/s)            (ft)  
 Oct. 21        --          Unknown          Unknown            Dec.  2       0745       *a 6,270             9.91
 Nov.  9        --         a 5,400           b 8.57             Feb. 22       0345          Ice jam       *c 10.67
  Minimum discharge, 32 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        64     e180     e320     e320     e140     e560      617      823      388       51       40      127
   2        52     e158     3240     e315     e135     e650      478     1230      364       48       37      108
   3        59     e147      899     e310     e132     e720      438      746      269      314      105      128
   4        61     e142      553     e305     e130     e500      525      907      224      254       65      131
   5        50     e135      440     e300     e128     e360      590      582      194      164       77      108
 
   6        45     e130      383      489     e125     e320     1340      869      168      101       69       89
   7        43     e130      335      338     e123     e285     1690     1220      148       82       50       89
   8        41     e140      327     e260     e120     e265      965      646      134       80       41       86
   9       109    e1400      285     e255     e120     e255      583      536      120      442       39       77
  10       175     e800      260     e225     e118     e245      489      525      106      295       34       71
 
  11      e205     e460      245     e210     e115     e230      424      520       94      148       65       69
  12      e140     e375      236     e205     e115     e220      382      480       87      104       94      100
  13       e90     e325      243     e195     e115     e210      427      475       94       87      691       85
  14       e75     e275      261     e190     e113     e205      449      428      101       92      502       76
  15       e72     e240      268     e180     e111     e200      388      390       81      270      182       75
 
  16       e68     e205      269     e178     e110     e190      395      396       73      201      142       69
  17       e66     e195      334     e178     e110     e185      474      403       77      128      114       63
  18       e63     e200      668     e175     e118     e180      535      387       97      431       97       73
  19       e62     e215      514     e175     e150     e175      640      403      291      239       77       65
  20       e62     e217     e390     e170     e550     e170      651      445      140      177       69       61
 
  21     e1700     e205     e330     e165     e645     e168      687      414      113      125      266       74
  22     e1150     e185     e300     e162    e1500     e158      664      580      189      103      471       71
  23      e600     e175     e275     e195    e1050     e155      627      670      205       86      297       67
  24      e400     e165     e700     e170     e580     e155      587      479      121       76      303       78
  25      e290     e158     1150     e155     e380     e150      504      435      103       69      180       66
 
  26      e230     e145     e500     e155     e460     e170      498      387       91       64      138       62
  27      e205     e138     e400     e150     e630     e230      502      327       78       61      175       67
  28      e192     e132     e350     e148     e760      346      862      289       68       62      439       62
  29      e175     e127      460     e145      ---      620      743      266       63       61      224      281
  30      e170     e124      511     e145      ---      885      602      249       57       49      161      394
  31      e185      ---     e345     e140      ---      831      ---      282      ---       43      130      ---
 
 TOTAL    6899     7623    15791     6703     8883     9993    18756    16789     4338     4507     5374     2972
 MEAN      223      254      509      216      317      322      625      542      145      145      173     99.1
 MAX      1700     1400     3240      489     1500      885     1690     1230      388      442      691      394
 MIN        41      124      236      140      110      150      382      249       57       43       34       61
 CFSM     1.60     1.83     3.66     1.56     2.28     2.32     4.50     3.90     1.04     1.05     1.25      .71
 IN.      1.85     2.04     4.23     1.79     2.38     2.67     5.02     4.49     1.16     1.21     1.44      .80
 
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1929 - 1997, BY WATER YEAR (WY)

MEAN      180      258      235      188      177      379      799      439      176      100     98.7      102
MAX       675      582      705      592      956     1324     1415     1114      840      337      734      589
(WY)     1978     1984     1974     1996     1981     1936     1969     1940     1947     1996     1976     1938
MIN      22.1     65.5     73.0     35.9     40.8     76.9      258      142     46.2     22.8     22.9     22.5
(WY)     1964     1954     1948     1981     1931     1956     1995     1941     1965     1933     1942     1963

SUMMARY STATISTICS           FOR 1996 CALENDAR YEAR        FOR 1997 WATER YEAR           WATER YEARS 1929 - 1997
 
 ANNUAL TOTAL                      140255                     108628                                             
 ANNUAL MEAN                          383                        298                        261                  
 HIGHEST ANNUAL MEAN                                                                        430              1976
 LOWEST ANNUAL MEAN                                                                         133              1965
 HIGHEST DAILY MEAN                  3720     Jan 19            3240     Dec  2            6410       Jun  3 1947
 LOWEST DAILY MEAN                     28     Sep 22              34     Aug 10               2.9     Aug 18 1929
 ANNUAL SEVEN-DAY MINIMUM              32     Sep  2              50     Oct  2               4.6     Aug 17 1929
 INSTANTANEOUS PEAK FLOW                                      a 6270     Dec  2         a 18400       Sep 22 1938
 INSTANTANEOUS PEAK STAGE                                       c 10.67  Feb 22              16.34    Sep 22 1938
 INSTANTANEOUS LOW FLOW                                           32     Aug 11               1.4     Oct  1 1930
 ANNUAL RUNOFF (CFSM)                   2.76                       2.14                       1.88               
 ANNUAL RUNOFF (INCHES)                37.54                      29.07                      25.49               
 10 PERCENT EXCEEDS                   856                        628                        590                  
 50 PERCENT EXCEEDS                   230                        190                        135                  
 90 PERCENT EXCEEDS                    60                         67                         38                  

   a  From floodmarks, from rating curve extended above 2,700 ft³/s on basis of computations of flow over dam at gage
	 heights 9.98 ft, 11.51 ft, 16.34 ft, 19.4 ft.
   b  From peak indicator clip.
   c  Ice jam.
   e  Estimated.

The URL for this page is: http://nh.water.usgs.gov/Publications/annual97/04288000.htm

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