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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 89 80 88 104 89 76 54 56 58 57 53 65
2 83 86 93 105 83 85 56 57 43 53 50 60
3 73 92 85 100 85 72 56 58 38 46 57 61
4 70 85 94 95 90 74 61 62 39 44 51 68
5 67 79 101 102 92 77 55 52 39 42 51 72
6 66 88 98 103 102 70 54 49 69 41 49 65
7 67 96 93 96 90 69 65 48 57 43 52 66
8 67 81 87 91 87 67 65 46 53 54 62 67
9 82 71 91 89 86 64 59 47 48 47 49 70
10 73 75 100 91 81 65 58 53 59 50 56 66
11 71 81 97 84 82 68 59 47 49 52 52 81
12 69 89 97 86 87 67 60 53 53 43 56 72
13 67 99 93 97 87 72 75 66 46 41 55 73
14 80 85 104 92 82 72 59 44 47 50 58 73
15 74 80 92 102 83 63 58 43 40 45 54 68
16 69 82 85 102 88 60 54 46 46 43 65 75
17 66 81 87 94 83 63 49 45 44 42 55 72
18 75 79 84 85 85 62 55 51 56 50 52 75
19 87 81 92 84 83 66 53 44 43 51 52 61
20 87 82 88 84 77 64 50 42 39 47 58 62
21 87 86 105 81 74 65 56 41 44 52 60 79
22 72 91 105 85 77 120 54 46 49 46 62 67
23 70 96 99 82 77 73 75 45 56 50 62 70
24 92 109 100 82 78 65 57 40 48 50 60 69
25 99 102 89 85 80 59 63 41 52 46 68 74
26 111 102 96 93 82 60 50 42 73 47 61 80
27 84 94 95 93 75 62 49 47 56 53 57 68
28 83 91 93 89 80 60 57 51 63 53 77 68
29 74 83 94 82 79 59 52 42 49 69 71 67
30 76   101 97 75 58 55 37 53 63 63 68
31 83   95   77   46 44   51   66