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USGS Daily Statistics for the Nation

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 01658000 MATTAWOMAN CREEK NEAR POMONKEY, MD


Charles County, Maryland
Hydrologic Unit Code 02070011
Latitude  38°35'46.1", Longitude  77°03'21.7" NAD83
Drainage area 54.8  square miles
Gage datum 39.76 feet above NAVD88
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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 1949-10-01 -> 2021-09-30)

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 89 61 116 88 79 55 12 11 25 23 38 50
2 102 77 117 90 58 38 11 9.4 41 27 45 39
3 90 83 110 103 54 49 21 17 22 18 40 41
4 74 90 97 101 63 63 22 41 14 12 31 44
5 70 92 100 86 65 57 28 52 16 9.8 41 59
6 71 85 111 83 63 47 32 21 24 13 53 66
7 72 112 125 91 63 41 40 13 31 17 55 73
8 71 121 121 91 62 39 46 13 52 13 49 87
9 72 103 105 84 68 28 50 7.9 36 16 43 89
10 73 79 90 73 56 32 22 7.1 36 19 34 91
11 82 108 85 65 48 40 14 8.2 50 23 32 92
12 81 121 103 66 83 38 22 32 43 75 77 96
13 73 97 132 102 70 36 26 179 57 30 105 78
14 76 100 117 128 56 32 27 74 24 58 77 76
15 99 106 106 134 49 24 23 39 15 44 46 91
16 81 106 99 139 69 16 18 29 12 22 59 104
17 62 109 116 95 79 17 9.8 27 9.6 16 99 101
18 61 101 101 64 56 43 8.3 28 15 16 55 80
19 61 124 108 54 77 51 6.8 35 34 18 35 60
20 59 131 122 65 68 34 5.5 19 26 19 41 50
21 56 111 155 79 70 46 11 13 10 22 44 80
22 56 119 172 72 51 138 24 21 12 16 55 96
23 62 144 149 77 49 68 39 26 23 18 55 79
24 76 139 135 77 42 34 39 24 34 14 56 77
25 90 130 109 67 39 26 17 29 19 28 61 82
26 80 114 99 67 55 62 8.1 32 13 37 55 101
27 69 110 100 71 58 49 13 24 13 56 56 92
28 63 110 89 74 39 34 13 41 17 64 43 79
29 60 70 100 74 33 23 19 50 29 61 36 81
30 57   97 77 37 16 19 36 24 87 47 83
31 53   94   44   15 14   55   79