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USGS Daily Statistics for Maryland

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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 01582000 LITTLE FALLS AT BLUE MOUNT, MD


Baltimore County, Maryland
Hydrologic Unit Code 02060003
Latitude  39°36'15.3", Longitude  76°37'13.9" NAD83
Drainage area 52.9  square miles
Gage datum 302.38 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 1943-10-01 -> 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 90 81 88 105 90 76 54 56 58 57 53 65
2 83 86 93 106 84 85 56 57 43 53 50 60
3 73 93 85 101 85 72 56 58 38 46 57 61
4 70 86 95 95 90 74 61 62 39 44 52 69
5 67 80 102 103 93 77 55 52 39 42 51 72
6 67 88 99 104 102 70 54 49 69 41 49 65
7 67 97 94 97 90 69 65 48 57 43 52 67
8 68 81 87 91 87 67 65 46 53 54 62 68
9 83 71 92 90 86 64 59 47 48 47 49 70
10 74 76 101 92 82 65 58 53 59 50 56 66
11 71 82 98 85 82 68 59 47 49 52 52 81
12 70 90 97 86 87 67 60 53 53 43 56 72
13 67 99 94 97 87 72 75 66 46 41 55 73
14 81 85 105 93 81 72 59 44 47 50 58 73
15 75 81 92 102 83 63 58 43 40 45 54 69
16 70 82 86 103 88 60 54 46 46 44 66 76
17 66 81 88 95 83 63 49 45 44 42 55 72
18 76 80 85 86 86 62 55 51 56 50 52 76
19 88 82 92 85 84 66 53 44 43 52 52 62
20 88 83 89 85 78 64 50 42 39 47 59 62
21 87 86 106 81 74 65 56 41 44 52 60 80
22 73 91 106 86 77 120 54 46 49 46 62 67
23 70 97 100 83 78 73 75 45 56 50 62 70
24 93 110 101 82 78 65 57 40 48 50 60 69
25 100 103 90 86 81 59 63 41 52 47 69 74
26 112 103 97 94 83 60 50 42 73 47 61 81
27 85 95 96 94 76 62 49 47 56 53 57 68
28 84 92 93 90 79 60 57 51 63 54 77 69
29 74 83 95 83 78 59 52 42 49 70 71 67
30 76   102 98 75 58 55 37 53 64 64 68
31 83   96   76   46 44   51   66