USGS Water-Year Summary for Site 07153000

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	00060 Discharge(Mean)

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Water year 2019: 2018-10-01 to 2019-09-30

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USGS Water-Year Summary 2019

07153000 BLACK BEAR CREEK AT PAWNEE, OK

LOCATION - Lat 36°20'37", long 96°47'57" referenced to North American Datum of 1927, in SE 1/4 NE 1/4 sec.31, T.22 N., R.5 E., Pawnee County, OK, Hydrologic Unit 11060006, on downstream side of left pier of bridge on State Highway 18 in north Pawnee, 300 ft downstream from Skedee Creek, and at mile 23.4.

DRAINAGE AREA - 538 mi². From automated delineation using 10-meter National Elevation Dataset digital elevation model data dated 10/01/2006 and Watershed Boundary Dataset dated 10/01/2006, using Albers Equal-Area Projection, North American Datum 1983.

REVISIONS HISTORY - WSP 1117: Drainage area, WDR 2012: Drainage area.

SURFACE-WATER RECORDS

PERIOD OF RECORD - July 1944 to current year.

GAGE - Water-stage recorder. Datum of gage is 803.29 above NAVD of 1988 determined by GNSS Level II Survey using Alltera network with RTK Trimble R-10 tied to RM-18 by USGS Personnel on 07-31-2019 Prior to 07-31-2019 Datum of gage was 802.73 ft, NGVD of 1929 (levels by U.S. Army Corps of Engineers). Prior to Sept. 21, 1944, nonrecording gage at present site and datum; also Aug. 27, 1953 to Apr. 29, 1954, temporary nonrecording gage at site 500 ft downstream at same datum.

REMARKS - 10/01/2023 - 09/30/2024: records poor. Quality of data for other periods can be obtained by contacting the Oklahoma-Texas Water Science Center.

EXTREMES OUTSIDE PERIOD OF RECORD - Flood of May 19, 1943, reached a stage of 28.19 ft, from floodmark, discharge 17,800 ft³/s.

DISCHARGE, CUBIC FEET PER SECOND
YEAR 2018-10-01 to 2019-09-30
DAILY MEAN VALUES
[e, Value has been estimated.]

Day	Oct
	2018
1	2.30
2	e2.37
3	e2.29
4	2.89
5	2.55
6	2.68
7	139
8	1,510
9	3,600
10	3,600
11	1,780
12	1,170
13	787
14	547
15	405
16	289
17	184
18	121
19	203
20	287
21	132
22	74.4
23	50.7
24	37.2
25	29.8
26	23.4
27	20.5
28	18.8
29	16.5
30	13.8
31	12.7
Total	15,070
Mean	486
Max	3600
Min	2.29
Ac-ft	29,890

Day	Nov
2018
1	12.0
2	e11.5
3	9.82
4	9.35
5	9.46
6	8.78
7	8.13
8	8.08
9	7.63
10	7.18
11	7.26
12	7.28
13	6.69
14	5.97
15	6.43
16	9.49
17	7.82
18	8.03
19	9.50
20	9.80
21	e8.50
22	7.99
23	8.18
24	8.82
25	10.3
26	9.00
27	9.92
28	10.3
29	10.4
30	10.9
--
Total	265
Mean	8.82
Max	12.0
Min	5.97
Ac-ft	525

Day	Dec
2018
1	12.5
2	13.1
3	13.3
4	15.7
5	16.1
6	15.7
7	15.0
8	13.1
9	12.3
10	16.3
11	17.0
12	12.2
13	12.5
14	42.7
15	50.9
16	27.2
17	20.2
18	15.5
19	12.6
20	11.1
21	10.2
22	9.57
23	9.02
24	8.52
25	7.79
26	68.6
27	2,620
28	1,380
29	678
30	403
31	324
Total	5,884
Mean	190
Max	2620
Min	7.79
Ac-ft	11,670

Day	Jan
2019
1	364
2	190
3	265
4	2,020
5	1,050
6	547
7	347
8	231
9	153
10	110
11	131
12	2,220
13	1,980
14	984
15	572
16	375
17	261
18	184
19	152
20	103
21	77.8
22	69.1
23	63.5
24	52.1
25	45.9
26	39.4
27	35.7
28	37.5
29	34.2
30	31.6
31	27.4
Total	12,750
Mean	411
Max	2220
Min	27.4
Ac-ft	25,300

Day	Feb
2019
1	21.6
2	24.0
3	23.1
4	22.3
5	25.8
6	24.9
7	496
8	541
9	272
10	184
11	189
12	658
13	491
14	250
15	170
16	116
17	91.0
18	74.8
19	61.3
20	59.6
21	74.5
22	75.7
23	67.7
24	61.9
25	53.2
26	46.1
27	49.9
28	43.4
--
--
--
Total	4,268
Mean	152
Max	658
Min	21.6
Ac-ft	8,465

Day	Mar
2019
1	35.0
2	32.8
3	36.2
4	32.8
5	23.6
6	26.7
7	27.3
8	28.5
9	32.3
10	29.2
11	27.2
12	27.0
13	609
14	1,860
15	912
16	517
17	345
18	249
19	183
20	137
21	101
22	80.2
23	75.1
24	e86.3
25	e77.2
26	e64.2
27	56.3
28	50.9
29	49.3
30	65.8
31	66.9
Total	5,944
Mean	192
Max	1860
Min	23.6
Ac-ft	11,790

Day	Apr
2019
1	56.3
2	46.6
3	43.6
4	60.3
5	112
6	120
7	114
8	144
9	92.4
10	69.8
11	57.9
12	44.5
13	35.7
14	34.9
15	31.3
16	28.8
17	26.5
18	39.1
19	56.2
20	53.6
21	41.8
22	34.3
23	1,620
24	1,290
25	541
26	315
27	182
28	119
29	79.9
30	170
--
Total	5,659
Mean	189
Max	1620
Min	26.5
Ac-ft	11,230

Day	May
2019
1	1,660
2	854
3	813
4	2,200
5	1,190
6	7,230
7	5,670
8	5,830
9	5,970
10	3,750
11	2,810
12	2,280
13	1,670
14	1,180
15	896
16	655
17	487
18	447
19	681
20	2,800
21	16,900
22	14,800
23	12,700
24	8,580
25	8,660
26	9,660
27	9,430
28	7,320
29	4,200
30	3,910
31	3,720
Total	149,000
Mean	4,805
Max	16900
Min	447
Ac-ft	295,400

Day	Jun
2019
1	3,490
2	3,270
3	2,980
4	2,680
5	2,380
6	2,070
7	3,550
8	4,170
9	2,290
10	2,000
11	1,710
12	1,460
13	1,250
14	1,070
15	913
16	635
17	1,020
18	806
19	527
20	412
21	318
22	258
23	235
24	237
25	183
26	143
27	115
28	96.1
29	87.0
30	74.2
--
Total	40,430
Mean	1,348
Max	4170
Min	74.2
Ac-ft	80,190

Day	Jul
2019
1	65.5
2	61.3
3	182
4	742
5	921
6	599
7	429
8	347
9	283
10	185
11	133
12	101
13	81.3
14	66.2
15	56.9
16	49.8
17	43.7
18	40.6
19	44.0
20	54.6
21	43.6
22	37.7
23	34.6
24	31.9
25	29.0
26	26.9
27	25.6
28	24.3
29	24.4
30	23.8
31	22.6
Total	4,810
Mean	155
Max	921
Min	22.6
Ac-ft	9,541

Day	Aug
2019
1	21.3
2	24.4
3	214
4	331
5	90.0
6	39.7
7	31.2
8	30.0
9	28.5
10	26.4
11	30.1
12	29.0
13	23.5
14	22.2
15	20.3
16	18.7
17	19.1
18	24.4
19	24.6
20	19.3
21	18.9
22	20.5
23	221
24	112
25	39.2
26	25.5
27	24.6
28	25.2
29	26.4
30	110
31	365
Total	2,056
Mean	66.3
Max	365
Min	18.7
Ac-ft	4,078

Day	Sep
2019
1	124
2	61.2
3	41.9
4	29.3
5	23.0
6	20.0
7	18.1
8	16.9
9	16.1
10	15.2
11	13.7
12	33.3
13	2,160
14	1,050
15	624
16	378
17	277
18	212
19	162
20	125
21	95.0
22	2,030
23	1,860
24	526
25	409
26	4,640
27	1,700
28	809
29	509
30	354
--
Total	18,330
Mean	611
Max	4640
Min	13.7
Ac-ft	36,360

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1945 - 2019, BY WATER YEAR (WY)
	Oct	Nov	Dec	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep
Mean	212	131	87.5	75.9	125	274	306	540	362	185	104	165
Max	4,025	2,359	720	595	1,013	1,607	1,821	4,805	2,181	1,927	1,592	1,354
(WY)	(1987)	(1975)	(2000)	(1993)	(1987)	(1990)	(2008)	(2019)	(1957)	(2007)	(1992)	(1945)
Min	.000	.000	.023	.11	.73	.90	1.14	1.59	4.68	.30	.000	.000
(WY)	(1955)	(1955)	(1967)	(2013)	(1968)	(1954)	(1955)	(2014)	(1966)	(1954)	(1954)	(1954)

SUMMARY STATISTICS
	Water Year 2019		Water Years 1945 - 2019
Annual total	264,400
Annual mean	724.4		214.2
Highest annual mean			835.0	1987
Lowest annual mean			13.4	2014
Highest daily mean	16,900	May 21	25,400	Oct 03, 1959
Lowest daily mean	2.29	Oct 03	0.0	Jul 17, 1954
Annual 7-day minimum	6.92	Nov 09	0.0	Jul 17, 1954
Maximum peak flow	19,500^a	May 21	30,200	Oct 03, 1959
Maximum peak stage	26.18	May 21	31.43	Oct 03, 1959
Annual runoff (cfsm)	1.35		0.398
Annual runoff (inches)	18.3		5.41
10 percent exceeds	2,024		402.6
50 percent exceeds	68.6		16.0
90 percent exceeds	10.3		1.10

^a Discharge affected to unknown degree by Regulation or Diversion

USGS Water-data graph for site USGS 07153000