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Water-Year Summary for Site USGS 09010500

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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
09010500 COLORADO RIVER BELOW BAKER GULCH NEAR GRAND LAKE, CO
LOCATION - Lat 40°19'33", long 105°51'22" referenced to North American Datum of 1927, in NE 1/4 NW 1/4 sec.12, T.4 N., R.76 W., Grand County, CO, Hydrologic Unit 14010001, on left bank 500 ft downstream from Baker Gulch, which includes Bowen Gulch drainage basin, and 5.5 mi northwest of town of Grand Lake.
DRAINAGE AREA - 63.8 mi².
REVISIONS HISTORY - WDR-US-2011: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - May 1953 to current year.
GAGE - Water-stage recorder with satellite telemetry and crest-stage gage. Elevation of gage is 8,750 ft above NGVD of 1929, from topographic map.
REMARKS - Water year 2014; records good except for estimated daily discharges, which are poor. Water year 2015; records good except for estimated daily discharges, which are poor. Water year 2016; records good except for estimated daily discharges, which are poor. Water year 2017; records good except for estimated daily discharges, which are poor. Water year 2018; records good except for estimated daily discharges, which are poor. Water year 2019; records good except for estimated daily discharges, which are poor. Water year 2020; records good except for estimated daily discharges, which are poor. Transmountain diversion upstream from station by Grand River Ditch. Prior to water year 2006, the gage location was described as being 1.0 mi upstream from Bowen Gulch. However, field inspection during Aug. 2006 found that Bowen Gulch is now a tributary to Baker Gulch.
Water-Data Report 2020
09010500 COLORADO RIVER BELOW BAKER GULCH NEAR GRAND LAKE, CO -- Continued
DISCHARGE, CUBIC FEET PER SECOND
YEAR 2019-10-01 to 2020-09-30
DAILY MEAN VALUES
[e, Value has been estimated.]
Day Oct
 2019
119.1 
218.5 
318.3 
418.2 
517.6 
617.8 
7e16.8 
8e17.0 
9e17.0 
10e17.0 
11e17.0 
12e17.1 
13e17.2 
14e17.3 
15e17.4 
16e17.5 
17e17.7 
18e17.8 
19e17.9 
20e18.1 
21e18.3 
22e18.6 
23e18.8 
24e19.0 
25e19.0 
26e19.0 
27e19.1 
28e19.1 
29e19.1 
30e19.1 
31e19.1 
Total561   
Mean18.1 
Max19.1 
Min16.8 
Ac-ft1,112   
Day Nov
2019
1e19.0 
2e18.9 
3e18.7 
4e18.6 
5e18.5 
6e18.3 
7e18.0 
8e17.8 
9e17.5 
10e17.1 
11e16.7 
12e16.5 
13e16.4 
14e16.4 
15e16.4 
16e16.3 
17e16.3 
18e16.4 
19e16.5 
20e16.5 
21e16.5 
22e16.3 
23e16.2 
24e16.0 
25e15.9 
26e15.7 
27e15.6 
28e15.6 
29e15.5 
30e15.6 
 -- 
Total506   
Mean16.9 
Max19.0 
Min15.5 
Ac-ft1,003   
Day Dec
2019
1e15.7 
2e15.9 
3e16.0 
4e16.2 
5e16.4 
6e16.5 
7e16.7 
8e16.8 
9e16.9 
10e17.0 
11e17.1 
12e17.2 
13e17.3 
14e17.4 
15e17.4 
16e17.5 
17e17.5 
18e17.5 
19e17.5 
20e17.5 
21e17.5 
22e17.3 
23e17.3 
24e17.2 
25e17.1 
26e17.0 
27e16.9 
28e16.8 
29e16.5 
30e16.1 
31e15.6 
Total523   
Mean16.9 
Max17.5 
Min15.6 
Ac-ft1,038   
Day Jan
2020
1e15.2 
2e14.7 
3e14.2 
4e13.7 
5e13.3 
6e12.9 
7e12.7 
8e12.3 
9e11.7 
10e11.1 
11e10.6 
12e10.1 
13e9.49
14e8.87
15e8.38
16e7.99
17e7.53
18e6.86
19e6.28
20e5.89
21e5.59
22e5.38
23e5.22
24e5.10
25e5.00
26e4.92
27e4.82
28e4.81
29e4.94
30e5.12
31e5.32
Total270   
Mean8.71
Max15.2 
Min4.81
Ac-ft536   
Day Feb
2020
1e5.57
2e5.79
3e6.12
4e6.45
5e6.67
6e6.92
7e7.17
8e7.36
9e7.56
10e7.78
11e7.97
12e8.15
13e8.34
14e8.44
15e8.51
16e8.52
17e8.57
18e8.61
19e8.50
20e8.48
21e8.51
22e8.49
23e8.43
24e8.40
25e8.22
26e8.01
27e7.94
28e7.90
29e7.82
 -- 
 -- 
Total225   
Mean7.77
Max8.61
Min5.57
Ac-ft447   
Day Mar
2020
1e7.73
2e7.66
3e7.57
4e7.46
5e7.37
6e7.28
7e7.21
8e7.15
9e7.08
10e6.84
11e6.60
12e6.37
13e6.15
14e5.94
15e5.70
16e5.49
17e5.44
18e5.49
19e5.53
20e5.58
21e5.65
22e5.75
23e5.88
24e6.04
25e6.22
26e6.41
27e6.64
28e6.87
29e7.10
30e7.46
31e7.96
Total204   
Mean6.57
Max7.96
Min5.44
Ac-ft404   
Day Apr
2020
1e8.99
2e9.61
3e9.91
4e10.2 
5e10.5 
6e10.9 
7e12.0 
8e13.3 
9e14.4 
10e15.9 
11e17.9 
12e22.2 
13e20.4 
14e18.2 
15e17.5 
1617.6 
17e16.4 
18e14.6 
1916.2 
20e16.3 
21e17.4 
22e18.2 
23e19.5 
24e20.3 
2520.5 
26e22.9 
2731.1 
2854.3 
2977.6 
30106   
 -- 
Total681   
Mean22.7 
Max106   
Min8.99
Ac-ft1,350   
Day May
2020
1150   
2192   
3229   
4221   
5181   
6161   
7166   
8161   
9164   
10164   
11175   
12193   
13197   
14186   
15176   
16192   
17204   
18254   
19300   
20339   
21321   
22273   
23258   
24243   
25206   
26184   
27197   
28237   
29292   
30360   
31447   
Total7,023   
Mean227   
Max447   
Min150   
Ac-ft13,930   
Day Jun
2020
1515   
2530   
3526   
4500   
5489   
6510   
7484   
8426   
9362   
10290   
11225   
12206   
13214   
14236   
15218   
16197   
17192   
18185   
19181   
20156   
21147   
22141   
23137   
24132   
25129   
26123   
27119   
28110   
29103   
3099.0 
 -- 
Total7,882   
Mean263   
Max530   
Min99.0 
Ac-ft15,630   
Day Jul
2020
188.7 
281.6 
377.6 
477.4 
576.2 
671.1 
766.7 
862.6 
958.8 
1054.7 
1151.3 
1249.2 
1348.8 
1448.1 
1547.0 
1642.8 
1740.9 
1839.2 
1937.3 
2035.4 
2132.7 
2231.7 
2331.7 
2430.6 
2530.4 
2635.5 
2730.9 
2832.4 
2931.2 
3027.6 
3125.9 
Total1,496   
Mean48.3 
Max88.7 
Min25.9 
Ac-ft2,967   
Day Aug
2020
124.8 
224.3 
323.4 
422.5 
522.4 
622.2 
720.8 
819.7 
919.1 
1018.7 
1118.5 
1217.9 
1317.5 
1416.8 
1516.3 
1616.2 
1715.9 
1815.7 
1915.6 
2025.0 
2125.1 
2224.5 
2324.1 
2424.0 
2524.7 
2624.7 
2727.5 
2826.7 
2927.1 
3030.6 
3125.3 
Total678   
Mean21.9 
Max30.6 
Min15.6 
Ac-ft1,344   
Day Sep
2020
126.8 
223.7 
322.3 
421.1 
520.2 
619.5 
719.3 
821.0 
923.7 
1025.7 
1129.3 
1228.7 
1328.8 
1425.8 
1523.6 
1622.1 
1721.2 
1820.4 
1920.1 
2019.5 
2118.9 
2218.4 
2318.3 
2417.5 
2516.9 
2616.1 
2715.6 
2815.6 
2915.6 
3015.4 
 -- 
Total631   
Mean21.0 
Max29.3 
Min15.4 
Ac-ft1,252   
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1953 - 2020, BY WATER YEAR (WY)
Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep
Mean 24.3  16.0  10.9  8.72 7.65 8.81 30.8  174    324    118    33.6  25.7 
Max 83.7  37.2  28.5  24.1  17.3  29.6  76.6  329    815    942    104    78.1 
(WY) (1962) (1962) (2015) (2015) (2015) (2015) (2017) (1996) (2011) (2011) (1983) (1997)
Min 9.25 6.14 4.33 3.50 3.67 3.90 9.11 65.7  67.0  24.3  11.1  10.0 
(WY) (1957) (2003) (2003) (2003) (2003) (2003) (1991) (1995) (2012) (2002) (1954) (2018)
Water-Data Report 2020
09010500 COLORADO RIVER BELOW BAKER GULCH NEAR GRAND LAKE, CO -- Continued
SUMMARY STATISTICS
Water Year 2020 Water Years 1953 - 2020
Annual total 20,680                   
Annual mean 56.5        65.5       
Highest annual mean           178.7        2011
Lowest annual mean           26.3        1954
Highest daily mean 530.0        Jun 02 1,770          Jul 09, 2011
Lowest daily mean 4.81       Jan 28 3.00       Jan 13, 1963
Annual 7-day minimum 4.96       Jan 24 3.20       Jan 18, 2003
Maximum peak flow 575a         Jun 02 1,870          Jul 09, 2011
Maximum peak stage 7.59       Jun 02 7.81       Jul 01, 2019
Annual runoff (cfsm) 0.886      1.03      
Annual runoff (inches) 12.1        14.0       
10 percent exceeds 192.0        190.0       
50 percent exceeds 17.5        18.0       
90 percent exceeds 6.85       6.99      
a Discharge affected by Regulation or Diversion
USGS Water-data graph for site USGS 09010500