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USGS Daily Statistics for Colorado

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The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 09371000 MANCOS RIVER NEAR TOWAOC, CO.


Montezuma County, Colorado
Hydrologic Unit Code 14080107
Latitude  37°01'39", Longitude 108°44'27" NAD27
Drainage area 526  square miles
Gage datum 5,055.98 feet above NGVD29
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00060, Discharge, cubic feet per second,
Day of
month		 Mean of daily mean values for each day for water year of record in, ft3/s   (Calculation Period 1920-10-01 -> 2025-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 12 16 35 67 134 125 35 26 21 18 22 14
2 11 16 37 76 137 120 41 23 27 17 24 14
3 11 16 39 81 141 117 34 19 27 23 20 13
4 12 17 41 80 152 123 28 17 19 24 18 13
5 12 17 39 81 167 115 25 30 20 21 18 13
6 11 17 40 80 178 107 22 29 37 21 22 13
7 12 17 39 82 164 108 26 25 18 18 18 15
8 11 18 42 81 163 105 30 25 19 21 17 15
9 11 20 45 84 164 99 25 15 25 20 18 14
10 11 21 52 89 160 92 26 19 42 20 17 13
11 13 21 50 90 155 89 29 27 28 19 21 13
12 13 22 50 92 151 84 32 23 29 19 18 13
13 12 25 53 98 149 78 33 18 34 29 18 12
14 12 24 53 102 154 78 17 23 24 48 16 12
15 12 23 54 112 161 84 17 16 27 24 17 12
16 12 22 54 118 168 82 16 15 20 25 18 11
17 13 24 64 123 172 65 14 16 16 25 18 11
18 13 25 53 127 171 63 17 14 20 26 17 12
19 14 27 54 130 170 55 19 20 26 28 18 13
20 14 33 55 130 163 54 22 19 23 33 17 12
21 14 32 59 131 166 52 23 19 25 29 16 12
22 13 31 59 141 167 48 23 31 42 31 16 12
23 13 29 61 144 159 45 22 19 50 25 16 12
24 13 28 59 143 153 42 18 27 27 22 16 12
25 13 28 57 139 146 41 18 44 25 27 16 11
26 13 29 57 138 147 40 20 43 23 26 16 12
27 14 28 60 132 156 38 29 42 18 23 15 13
28 15 29 61 132 148 36 32 27 20 21 14 13
29 14 37 65 135 140 43 31 24 25 21 14 13
30 13   64 135 139 42 25 31 23 22 15 12
31 13   66   136   29 31   22   14