Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

* We've detected you're using a mobile device. Find our mobile dedicated web site here.
Click to hideNews Bulletins

USGS Daily Statistics for Illinois

Click to hide state-specific text

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 05595820 CASEY FORK AT MOUNT VERNON, IL


Jefferson County, Illinois
Hydrologic Unit Code 07140106
Latitude  38°17'11", Longitude  88°52'17" NAD83
Drainage area 76.9  square miles
Contributing drainage area 76.9  square miles
Gage datum 420.00 feet above NGVD29
Output formats
HTML table of all data
Tab-separated data
Reselect output format

00060, Discharge, cubic feet per second,
Day of
month
Mean of daily mean values for each day for 33 - 34 years of record in, ft3/s   (Calculation Period 1985-10-01 -> 2019-09-30)

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 51 233 62 207 193 117 14 9.4 15 5.8 34 106
2 35 251 69 120 205 148 107 16 14 15 57 52
3 95 150 115 286 146 100 89 9.3 23 26 26 54
4 156 120 197 451 128 49 57 6.8 19 7.1 18 49
5 230 78 163 180 230 63 24 6.5 8.3 6.0 23 82
6 145 135 133 183 148 32 28 26 5.5 7.0 27 119
7 100 261 122 103 138 30 52 9.4 5.7 6.2 18 51
8 69 125 93 91 179 103 98 35 104 8.4 13 33
9 54 65 199 84 188 94 49 16 88 41 14 59
10 53 72 201 249 82 52 64 11 13 13 14 32
11 101 85 101 284 113 56 37 5.9 18 6.2 53 56
12 84 102 262 154 96 68 59 5.4 6.9 6.1 102 63
13 258 116 163 96 159 45 74 22 5.6 23 42 51
14 179 195 211 207 192 48 26 70 6.6 39 260 49
15 130 132 121 159 144 26 27 101 6.3 18 166 167
16 94 124 76 171 219 43 35 110 10 15 116 108
17 99 88 103 145 525 152 16 93 24 18 104 96
18 93 73 268 79 374 131 8.9 46 11 21 69 77
19 129 75 366 156 117 148 10 13 5.5 12 170 56
20 134 104 264 162 42 145 27 7.2 25 8.4 162 48
21 108 147 183 134 37 37 71 9.5 5.6 8.3 33 136
22 164 157 103 132 46 52 20 6.3 9.0 7.5 38 194
23 199 101 155 179 33 18 13 5.0 40 36 25 94
24 94 163 112 201 35 128 12 6.4 28 16 33 132
25 62 281 128 172 82 84 10 8.2 52 12 44 144
26 107 117 148 160 181 130 7.4 57 57 33 57 112
27 118 101 162 178 131 65 6.2 50 12 81 119 153
28 109 89 154 265 95 27 9.1 14 7.4 29 170 195
29 54 43 174 368 36 29 12 20 8.3 15 92 151
30 104   321 305 34 16 26 6.1 5.4 35 91 52
31 126   214   101   30 4.9   52   71