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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 02235200 BLACKWATER CREEK NEAR CASSIA, FL


Lake County, Florida
Hydrologic Unit Code 03080101
Latitude  28°52'28", Longitude  81°29'23" NAD83
Drainage area 126  square miles
Gage datum 18.55 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 1966-10-01 -> 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 53 59 60 67 30 34 39 47 92 112 63 46
2 56 58 60 66 29 33 40 48 93 111 62 46
3 57 59 60 65 28 31 41 51 91 108 60 44
4 57 59 59 63 27 31 43 52 89 106 58 44
5 57 60 59 61 27 32 42 53 89 105 56 44
6 56 61 58 60 26 34 45 53 92 103 55 44
7 56 60 58 58 26 34 46 53 95 106 53 43
8 55 60 59 56 25 35 45 56 97 107 52 43
9 54 60 60 57 24 36 44 56 100 106 51 43
10 54 60 62 59 23 34 43 55 102 112 52 42
11 58 60 63 62 22 33 43 55 111 113 53 42
12 58 59 63 58 21 34 43 53 114 114 54 44
13 59 59 63 47 21 35 44 55 113 111 54 46
14 60 58 62 45 20 34 45 56 117 106 53 49
15 61 58 61 44 20 33 46 59 122 102 53 50
16 63 59 60 43 20 32 48 61 123 98 57 51
17 63 60 59 41 20 34 48 61 122 94 63 52
18 62 61 60 39 20 33 48 62 120 90 63 53
19 61 61 60 37 20 34 45 61 117 92 62 53
20 61 62 60 36 21 35 44 60 114 94 60 52
21 60 61 60 36 25 36 43 61 113 91 58 52
22 59 61 58 35 29 37 42 67 110 88 56 52
23 59 63 57 35 32 37 44 72 107 84 54 52
24 59 62 55 37 34 36 44 75 105 82 53 52
25 59 61 54 36 35 35 44 76 103 81 52 53
26 59 60 54 36 35 35 43 76 105 78 51 53
27 59 58 53 35 35 35 42 76 108 75 50 55
28 60 58 54 33 35 35 43 77 108 73 49 55
29 60 54 57 32 34 36 40 82 113 70 48 55
30 60   60 31 35 37 42 88 115 67 48 55
31 59   63   35   45 92   65   54