MISSOURI RIVER MAIN STEM
06330110 MISSOURI RIVER STAGE GAGE NO. 9 AT WILLISTON, ND
LOCATION.--Lat 48°08'13", long 103°36'16", in NE1/4NE1/4 sec.25, T.154 N., R.101 W., Williams County, Hydrologic Unit 10110101,
on left bank levee at southeast edge of Williston 0.5 mi upstream from Little Muddy Creek, and at mile 1,546.2.
DRAINAGE AREA.--164,500 mi2, approximately.
GAGE-HEIGHT RECORDS
PERIOD OF RECORD.--April 1959 to current year.
GAGE.--Water-stage recorder. Datum of gage is 1,820.00 ft above sea level. Prior to May 13, 1969, at site 900 ft downstream. At
datum 20.00 ft lower prior to Apr. 7, 1962.
REMARKS.--Stage regulated by upstream reservoirs and backwater from Lake Sakakawea.
EXTREMES FOR PERIOD OF RECORD.--Maximum daily gage height recorded, 34.61 ft, July 6, 1997; minimum daily recorded, 5.44 ft,
Aug. 20, 1961, present datum.
GAGE HEIGHT, FEET, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
1 24.78 24.57 e24.53 26.14 26.10 26.14 23.76 e24.38 26.77 25.86 e23.89 23.33
2 24.79 e24.64 e24.56 26.13 26.11 26.06 e23.71 24.43 26.85 25.74 e23.85 23.41
3 24.69 e24.66 e24.59 26.10 26.14 25.99 e23.70 24.50 26.88 25.67 e23.79 23.40
4 24.70 e24.65 24.63 25.97 26.15 25.91 e23.68 24.62 26.85 25.61 e23.77 23.40
5 e24.76 24.64 24.69 25.79 26.15 25.84 e23.66 e24.76 26.82 25.58 23.76 e23.41
6 e24.98 24.67 e24.69 25.65 26.19 e25.78 e23.60 24.79 26.85 25.61 23.73 e23.41
7 e24.82 24.67 e24.68 25.57 26.22 25.72 e23.63 24.84 26.85 25.63 23.69 e23.40
8 24.76 e24.66 e24.60 25.62 26.20 e25.54 23.65 25.00 26.86 25.55 23.62 23.40
9 24.73 e24.63 e24.62 25.75 26.20 e25.44 23.68 25.16 26.88 25.46 23.61 23.37
10 24.76 e24.64 e24.70 25.88 26.23 e25.37 e23.71 25.28 26.91 25.46 23.61 23.38
11 24.71 24.63 24.74 25.97 26.25 25.22 e23.71 25.31 26.93 25.39 23.58 23.37
12 24.71 24.62 24.78 26.03 26.25 25.05 e23.75 25.27 26.93 25.42 23.57 23.39
13 24.70 24.59 e24.80 25.97 26.24 24.93 e23.74 25.24 26.93 25.41 e23.56 23.33
14 24.79 24.60 24.79 25.83 26.15 24.83 e23.74 25.22 26.85 25.28 23.52 e23.23
15 24.68 24.59 e24.77 25.67 26.05 e24.76 23.80 25.26 26.74 25.10 23.46 e23.18
16 24.61 e24.63 25.05 25.63 26.04 24.68 23.82 25.26 26.63 24.94 e23.46 23.14
17 24.53 e24.60 25.41 25.66 26.04 24.50 e23.84 25.23 26.56 e24.87 23.42 23.11
18 24.58 e24.59 25.60 25.70 26.05 24.27 e23.85 25.21 26.55 e24.83 e23.41 e23.09
19 24.51 e24.59 25.79 25.73 26.05 24.17 23.87 25.17 26.49 e24.75 e23.40 e23.08
20 24.59 24.59 25.86 25.76 26.08 24.08 e23.91 25.13 26.43 e24.68 e23.39 e23.08
21 24.57 24.59 25.77 25.83 26.14 e24.03 e23.96 25.14 26.36 e24.60 e23.35 e23.07
22 24.52 24.59 25.74 25.91 26.20 e24.04 23.99 25.36 26.25 24.51 e23.35 e23.06
23 24.55 e24.58 25.75 25.95 26.26 e24.03 24.02 25.57 26.13 24.45 e23.34 e23.04
24 24.56 e24.56 25.80 25.95 26.30 23.99 e24.04 25.69 26.09 e24.42 e23.33 23.03
25 e24.51 24.55 25.92 25.97 26.32 23.94 e24.06 25.80 26.08 e24.36 e23.33 e23.01
26 e24.60 e24.53 26.03 25.98 26.30 e23.89 e24.09 25.92 26.02 e24.28 23.31 e23.04
27 e24.73 24.54 26.11 25.99 26.27 e23.87 e24.15 26.06 26.01 e24.23 23.31 23.05
28 e24.73 24.54 26.15 26.00 26.25 e23.85 24.30 26.27 25.98 e24.16 e23.30 23.07
29 e24.73 e24.56 26.16 26.02 26.20 e23.84 24.40 26.41 25.97 24.06 e23.28 23.10
30 24.73 24.56 26.16 26.05 --- e23.80 24.40 26.56 25.94 23.99 e23.27 23.12
31 24.74 --- 26.15 26.09 --- e23.78 --- 26.66 --- e23.94 23.26 ---
MEAN 24.68 24.60 25.28 25.88 26.18 24.75 23.87 25.34 26.55 24.96 23.50 23.22
MAX 24.98 24.67 26.16 26.14 26.32 26.14 24.40 26.66 26.93 25.86 23.89 23.41
MIN 24.51 24.53 24.53 25.57 26.04 23.78 23.60 24.38 25.94 23.94 23.26 23.01
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