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Water-Year Summary for Site USGS 09522000

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Available Parameters
00060 Discharge(Mean)  

Water year 2020: 2019-10-01 to 2020-09-30
 

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USGS Water-Year Summary 2020
09522000 COLORADO RIVER AT NORTHERLY INTERNATIONAL BOUNDARY, ABOVE MORELOS DAM, NEAR ANDRADE, CA
LOCATION - Lat 32°43'07", long 114°43'05" referenced to North American Datum of 1927, Yuma County, AZ, Hydrologic Unit 15030108, Gila and Salt River meridian, in Yuma County, AZ, on left bank at northerly international boundary, 0.5 miles east of Andrade, 1.1 miles upstream from Morelos Dam, 1.1 miles downstream from Rockwood Gate, and 6.4 miles downstream from gaging station on Colorado River below Yuma Main Canal Waste Way.
DRAINAGE AREA - 246,700 mi², approximately, including all closed basins entirely within the drainage boundary, also 3,959 mi² in Great Divide Basin in southern Wyoming.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Jan. 1950 to current year. Prior to Oct. 1958 published as "at international boundary."
GAGE - Water-stage recorder.
COOPERATION - Discharges are furnished by International Boundary Water Commission. These discharge figures are then rounded in accordance with standard USGS policy.
REMARKS - Record is rated good. This record exhibits flows across the Northerly International Boundary above Morales Dam. Minor diversions to the United States below this station by pumping from ground water for irrigation in the floodway between river and Yuma levee. Station is accounting point for 1944 International Treaty detailing water delivery to Mexico.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 40,600 ft³/s, Aug. 20, 1983; maximum elevation, 115.65 ft, Aug. 18 and 19, 1983; minimum discharge, 495 ft³/s, Sept. 28, 1970; minimum elevation, 101.72 ft, Nov. 2, 1981.
Water-Data Report 2020
09522000 COLORADO RIVER AT NORTHERLY INTERNATIONAL BOUNDARY, ABOVE MORELOS DAM, NEAR ANDRADE, CA -- Continued
DISCHARGE, CUBIC FEET PER SECOND
YEAR 2019-10-01 to 2020-09-30
DAILY MEAN VALUES
Day Oct
 2019
11,990
21,370
3886
4865
5816
6837
7840
8826
91,040
10992
11802
12766
13788
14766
15837
16830
17922
18922
19908
20918
21985
22996
231,040
24982
251,050
261,050
271,020
28999
29929
30936
31943
Total29,850
Mean963
Max1990
Min766
Ac-ft59,209
Day Nov
2019
11,080
21,090
31,090
41,090
51,090
61,090
71,130
81,110
91,120
101,130
111,370
121,480
131,420
141,440
151,440
161,410
171,410
181,430
191,400
201,760
212,660
224,560
233,350
242,550
251,680
261,440
271,420
281,530
292,750
302,910
 -- 
Total50,430
Mean1,681
Max4560
Min1080
Ac-ft100,000
Day Dec
2019
12,220
21,670
31,640
41,920
52,000
61,540
71,450
81,370
91,140
101,110
111,090
121,090
131,090
141,060
151,060
161,050
171,060
181,060
191,070
201,060
211,080
221,060
23968
24936
25961
26954
27975
28929
29911
30932
31939
Total37,400
Mean1,206
Max2220
Min911
Ac-ft74,170
Day Jan
2020
11,100
21,140
31,150
41,260
51,260
61,110
71,110
81,100
91,110
101,120
111,110
121,130
131,330
141,290
151,290
161,260
171,410
181,450
191,500
201,460
211,580
221,620
231,650
241,750
251,940
261,680
271,700
281,660
291,700
301,680
311,670
Total43,320
Mean1,397
Max1940
Min1100
Ac-ft85,920
Day Feb
2020
11,840
21,820
31,860
41,890
51,890
61,870
71,890
81,950
91,950
102,020
113,510
123,420
132,830
142,160
152,070
162,040
172,040
182,040
192,040
202,000
212,210
222,260
232,260
242,220
252,090
262,160
272,160
282,120
292,130
 -- 
 -- 
Total62,739
Mean2,163
Max3510
Min1820
Ac-ft124,400
Day Mar
2020
12,470
22,450
32,390
42,460
52,480
62,460
72,440
82,430
92,370
102,390
113,340
125,540
137,520
147,100
152,530
162,680
172,840
182,760
192,700
202,540
212,540
222,570
232,580
242,650
252,730
262,720
272,600
282,530
292,600
302,640
312,550
Total92,600
Mean2,987
Max7520
Min2370
Ac-ft183,700
Day Apr
2020
12,380
23,060
33,850
43,600
53,030
63,330
73,170
84,030
93,570
102,650
112,730
122,690
132,570
142,600
152,560
162,560
172,520
182,540
192,560
202,450
212,170
222,160
232,170
242,170
252,460
262,000
271,950
281,940
292,030
302,440
 -- 
Total79,940
Mean2,665
Max4030
Min1940
Ac-ft158,600
Day May
2020
12,940
22,570
32,010
41,820
51,820
61,840
71,830
81,850
91,830
101,850
111,840
121,850
131,860
141,840
151,860
161,850
171,860
181,850
191,840
201,830
211,770
221,770
231,820
241,840
251,840
261,840
271,830
281,830
291,830
301,820
311,820
Total58,850
Mean1,898
Max2940
Min1770
Ac-ft116,700
Day Jun
2020
12,040
22,050
32,040
42,080
52,110
62,140
72,140
82,140
92,150
102,140
112,130
122,090
132,080
142,080
152,130
162,150
172,150
182,150
192,150
202,170
212,210
222,180
232,200
242,340
252,190
262,170
272,230
282,340
292,240
302,220
 -- 
Total64,630
Mean2,154
Max2340
Min2040
Ac-ft128,200
Day Jul
2020
12,270
22,300
32,300
42,330
52,320
62,320
72,330
82,310
92,320
102,310
112,310
122,330
132,300
142,260
152,370
162,430
172,410
182,290
192,260
202,280
212,350
222,300
232,290
242,240
252,290
262,300
272,280
282,310
292,310
302,440
312,230
Total71,690
Mean2,313
Max2440
Min2230
Ac-ft142,200
Day Aug
2020
11,890
21,900
31,920
41,950
51,940
61,940
71,930
81,960
91,940
101,940
111,960
121,990
132,400
142,050
151,860
161,890
171,920
181,890
192,390
202,130
211,880
221,860
231,850
241,870
251,910
261,950
271,820
281,820
291,850
301,880
311,890
Total60,370
Mean1,947
Max2400
Min1820
Ac-ft119,700
Day Sep
2020
11,670
21,680
31,720
41,740
51,800
61,790
71,760
81,690
91,750
101,770
111,700
121,700
131,700
141,720
151,640
161,650
171,630
181,880
191,870
201,880
211,840
221,720
231,680
241,660
251,650
261,660
271,670
281,650
291,530
301,770
 -- 
Total51,570
Mean1,719
Max1880
Min1530
Ac-ft102,300
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1950 - 2020, BY WATER YEAR (WY)
Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep
Mean 2,867 3,106 3,850 4,496 4,284 4,824 4,550 3,380 3,678 4,202 4,117 3,454
Max 31,879 25,750 23,760 25,490 24,040 21,650 18,020 18,160 22,210 30,380 32,770 31,150
(WY) (1984) (1984) (1984) (1984) (1984) (1993) (1984) (1986) (1984) (1983) (1983) (1983)
Min 699 696 904 1,002 1,088 1,744 2,595 1,161 1,340 1,479 1,308 905
(WY) (1971) (1972) (1997) (1966) (1957) (1957) (1973) (1972) (2016) (2016) (2015) (1970)
Water-Data Report 2020
09522000 COLORADO RIVER AT NORTHERLY INTERNATIONAL BOUNDARY, ABOVE MORELOS DAM, NEAR ANDRADE, CA -- Continued
SUMMARY STATISTICS
Water Year 2020 Water Years 1950 - 2020
Annual total 703,400                   
Annual mean 1,922          3,869         
Highest annual mean           22,860          1984
Lowest annual mean           1,726          1973
Highest daily mean 7,520          Mar 13 39,200          Aug 19, 1983
Lowest daily mean 766.0        Oct 12 567.0        Sep 18, 1971
Annual 7-day minimum 815.9        Oct 11 579.1        Sep 18, 1971
Maximum peak flow                    
Maximum peak stage                    
Annual runoff (cfsm) 0.008      0.016     
Annual runoff (inches) 0.106      0.215     
10 percent exceeds 2,573          9,668         
50 percent exceeds 1,885          2,320         
90 percent exceeds 1,047          1,110         
USGS Water-data graph for site USGS 09522000