USGS Water-Year Summary for Site 03227107

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	Available Parameters
	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

03227107 Olentangy River at John H Herrick Dr at Columbus OH

LOCATION - Lat 39°59'52", long 83°01'25" referenced to North American Datum of 1983, Franklin County, OH, Hydrologic Unit 05060001, on downstream side of the J H Herrick Road bridge, 2.5 miles upstream from the Scioto River.

DRAINAGE AREA - 533 mi².

SURFACE-WATER RECORDS

PERIOD OF RECORD - February 2015 to current year.

GAGE - Water-stage recorder. Datum of gage is 704.86 ft (NAVD 1988).

REMARKS -

Feb. 1, 2015 to Oct. 6, 2015: records fair, except for periods of estimated which are poor. Oct. 6, 2015 to Dec. 4, 2015: discharge records poor. Dec. 5, 2015 to Oct. 16, 2016: discharge records fair except for estimated records, which are poor. Oct. 18, 2016 to Aug. 20, 2017: discharge records fair. Aug. 21, 2017 to Oct. 17, 2017: discharge records good. Oct. 18, 2017 to May 8, 2018: discharge records good except for estimated records, which are poor. May 9, 2018 to Aug. 3, 2018: discharge records fair. Aug. 4, 2018 to Oct. 4, 2018: discharge records good.

Record quality ratings will not be included in the water-year summary for approved records newer than 09/30/2019. Record quality is still being rated internally. For questions about record quality ratings, please send email to gs-w-oh_NWISWeb_Data_Inquiries@usgs.gov.

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	78.7
2	86.4
3	106
4	117
5	80.5
6	68.9
7	66.3
8	59.6
9	330
10	402
11	146
12	64.8
13	132
14	147
15	128
16	126
17	104
18	65.5
19	57.3
20	56.6
21	57.3
22	59.1
23	54.4
24	55.3
25	57.2
26	96.9
27	253
28	160
29	190
30	1,040
31	432
Total	4,878
Mean	157
Max	1040
Min	54.4
Ac-ft	9,675

Day	Nov
2018
1	3,390
2	2,120
3	730
4	383
5	2,330
6	2,250
7	3,140
8	5,180
9	5,120
10	5,040
11	3,890
12	657
13	581
14	561
15	1,130
16	1,650
17	1,830
18	1,630
19	1,510
20	1,310
21	1,130
22	1,030
23	894
24	1,380
25	2,210
26	2,680
27	2,370
28	1,660
29	408
30	617
--
Total	58,809
Mean	1,960
Max	5180
Min	383
Ac-ft	116,700

Day	Dec
2018
1	1,250
2	1,760
3	2,310
4	1,890
5	776
6	511
7	499
8	273
9	260
10	255
11	244
12	355
13	273
14	245
15	613
16	1,180
17	2,260
18	1,400
19	639
20	349
21	1,580
22	2,280
23	1,800
24	600
25	576
26	558
27	470
28	453
29	231
30	430
31	1,250
Total	27,570
Mean	889
Max	2310
Min	231
Ac-ft	54,679

Day	Jan
2019
1	2,270
2	4,000
3	4,320
4	1,460
5	755
6	642
7	171
8	385
9	362
10	361
11	303
12	264
13	256
14	254
15	233
16	146
17	247
18	298
19	523
20	611
21	e302
22	e272
23	e1,200
24	3,100
25	2,690
26	3,000
27	5,190
28	4,630
29	1,800
30	e416
31	e263
Total	40,720
Mean	1,314
Max	5190
Min	146
Ac-ft	80,770

Day	Feb
2019
1	e307
2	e321
3	e322
4	e547
5	e1,360
6	4,160
7	2,240
8	2,260
9	708
10	3,800
11	4,800
12	e2,840
13	1,270
14	497
15	e987
16	4,910
17	4,760
18	4,580
19	4,340
20	4,390
21	4,360
22	3,350
23	2,880
24	3,050
25	2,430
26	1,460
27	616
28	552
--
--
--
Total	68,100
Mean	2,432
Max	4910
Min	307
Ac-ft	135,100

Day	Mar
2019
1	477
2	282
3	239
4	240
5	342
6	373
7	301
8	255
9	591
10	1,660
11	2,580
12	2,900
13	1,080
14	816
15	1,120
16	1,210
17	1,330
18	640
19	464
20	440
21	445
22	275
23	345
24	353
25	260
26	334
27	277
28	211
29	213
30	e1,260
31	4,430
Total	25,740
Mean	830
Max	4430
Min	211
Ac-ft	51,060

Day	Apr
2019
1	783
2	1,220
3	4,340
4	2,470
5	788
6	512
7	483
8	e480
9	e398
10	315
11	292
12	311
13	255
14	428
15	350
16	e277
17	501
18	e521
19	940
20	2,530
21	650
22	671
23	3,050
24	4,110
25	2,430
26	2,720
27	2,970
28	3,140
29	2,430
30	e931
--
Total	41,300
Mean	1,377
Max	4340
Min	255
Ac-ft	81,910

Day	May
2019
1	e906
2	1,920
3	3,300
4	1,460
5	2,270
6	3,590
7	e2,010
8	e731
9	e582
10	e2,250
11	2,780
12	e1,590
13	2,280
14	e1,930
15	e1,320
16	e918
17	e938
18	e425
19	e314
20	e343
21	e325
22	651
23	462
24	273
25	210
26	233
27	241
28	2,570
29	1,900
30	1,120
31	641
Total	40,480
Mean	1,306
Max	3590
Min	210
Ac-ft	80,300

Day	Jun
2019
1	386
2	391
3	794
4	1,130
5	446
6	721
7	2,060
8	1,900
9	770
10	416
11	329
12	248
13	497
14	1,080
15	1,510
16	3,450
17	1,470
18	2,310
19	1,690
20	1,330
21	478
22	248
23	1,380
24	3,480
25	4,840
26	5,090
27	5,140
28	5,070
29	5,110
30	5,050
--
Total	58,809
Mean	1,960
Max	5140
Min	248
Ac-ft	116,700

Day	Jul
2019
1	5,010
2	4,820
3	5,440
4	2,670
5	2,700
6	3,620
7	1,510
8	1,090
9	502
10	224
11	179
12	183
13	184
14	159
15	127
16	109
17	521
18	799
19	852
20	557
21	217
22	205
23	189
24	423
25	387
26	157
27	114
28	97.0
29	92.0
30	83.1
31	64.2
Total	33,280
Mean	1,074
Max	5440
Min	64.2
Ac-ft	66,020

Day	Aug
2019
1	61.0
2	59.8
3	58.3
4	59.1
5	101
6	98.2
7	87.1
8	127
9	119
10	98.6
11	89.7
12	80.3
13	115
14	88.9
15	79.7
16	73.6
17	64.9
18	61.8
19	121
20	80.8
21	72.5
22	100
23	95.6
24	89.5
25	86.2
26	148
27	424
28	197
29	94.4
30	109
31	107
Total	3,248
Mean	105
Max	424
Min	58.3
Ac-ft	6,442

Day	Sep
2019
1	446
2	254
3	127
4	149
5	166
6	140
7	116
8	98.6
9	84.8
10	55.8
11	54.7
12	53.3
13	48.1
14	49.9
15	48.6
16	50.0
17	53.4
18	57.5
19	55.0
20	152
21	281
22	130
23	76.2
24	65.3
25	56.8
26	53.7
27	47.1
28	47.9
29	52.8
30	53.6
--
Total	3,124
Mean	104
Max	446
Min	47.1
Ac-ft	6,197

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 2015 - 2019, BY WATER YEAR (WY)
	Oct	Nov	Dec	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep
Mean	130	1,038	607	1,225	1,117	1,349	1,239	749	1,098	716	117	164
Max	157	1,960	889	1,387	2,432	2,063	1,897	1,306	1,960	1,142	159	402
(WY)	(2019)	(2019)	(2019)	(2017)	(2019)	(2018)	(2018)	(2019)	(2019)	(2017)	(2016)	(2018)
Min	98.7	138	276	1,084	346	830	752	223	521	121	86.9	69.3
(WY)	(2017)	(2017)	(2018)	(2018)	(2015)	(2019)	(2017)	(2015)	(2017)	(2018)	(2017)	(2017)

SUMMARY STATISTICS
	Water Year 2019		Water Years 2015 - 2019
Annual total	406,100
Annual mean	1,113		789.1
Highest annual mean			1,113	2019
Lowest annual mean			593.0	2016
Highest daily mean	5,440	Jul 03	6,380	Jun 23, 2016
Lowest daily mean	47.1	Sep 27	27.4	Nov 02, 2016
Annual 7-day minimum	51.1	Sep 11	33.9	Oct 28, 2016
Maximum peak flow	8,590^a	Jul 03	12,200^a	Jun 23, 2016
Maximum peak stage
Annual runoff (cfsm)	2.09		1.48
Annual runoff (inches)	28.3		20.1
10 percent exceeds	3,204		2,370
50 percent exceeds	464.0		278.0
90 percent exceeds	71.1		64.4

^a Discharge affected by Regulation or Diversion

USGS Water-data graph for site USGS 03227107