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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 -> 2024-09-30)

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 87 60 111 96 77 53 11 10 24 22 37 48
2 101 75 114 95 57 37 10 9.2 41 25 43 37
3 89 81 110 104 52 49 20 16 22 17 39 40
4 75 90 95 107 62 62 21 38 14 12 30 44
5 71 99 98 88 71 56 27 50 16 9.8 39 57
6 72 88 110 88 65 45 30 21 23 12 50 63
7 77 108 124 98 68 39 38 13 29 17 52 69
8 73 117 118 93 71 37 44 13 49 13 46 83
9 74 100 102 86 69 27 50 8.2 34 15 41 84
10 116 77 91 73 55 32 26 7.5 35 17 32 86
11 95 104 84 64 47 44 15 14 48 22 30 93
12 82 116 100 65 79 42 22 35 42 70 73 107
13 76 100 128 98 67 36 25 168 54 28 100 79
14 78 102 111 120 54 31 25 70 23 55 73 73
15 97 104 100 128 48 23 22 38 14 41 44 88
16 80 103 94 131 67 16 18 28 12 21 57 107
17 68 106 111 90 76 17 10 28 9.1 15 94 103
18 70 99 101 62 54 40 8.4 28 14 16 52 103
19 63 120 105 57 73 47 7.2 34 32 17 34 79
20 60 126 115 69 65 32 6.4 20 24 18 39 53
21 57 107 145 76 66 44 12 15 9.9 21 42 78
22 56 114 160 69 49 130 23 21 11 15 55 93
23 62 137 143 74 47 64 37 25 24 17 56 80
24 75 133 142 73 40 33 37 23 38 13 53 76
25 88 124 115 71 37 25 16 28 21 26 58 79
26 79 109 99 69 52 59 9.2 30 14 38 52 97
27 68 105 99 69 55 46 14 23 13 53 54 89
28 67 105 92 72 39 31 13 44 16 60 41 93
29 69 70 101 74 35 22 18 49 28 59 35 88
30 59   95 76 40 15 19 35 23 90 45 82
31 54   93   44   14 13   56   77