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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 05536275 THORN CREEK AT THORNTON, IL


Cook County, Illinois
Hydrologic Unit Code 07120003
Latitude  41°34'05.4", Longitude  87°36'30" NAD83
Drainage area 104  square miles
Gage datum 586.05 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 1947-10-01 -> 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
1 150 81 185 249 216 162 98 55 70 53 94 113
2 115 98 170 213 171 163 95 57 59 49 98 119
3 104 105 164 198 143 124 101 70 48 74 83 113
4 136 91 195 202 121 89 75 87 43 72 81 101
5 142 100 214 170 123 110 70 85 55 62 92 87
6 123 96 183 200 127 99 73 70 55 56 83 80
7 93 92 163 183 140 117 81 54 50 53 62 99
8 123 88 177 149 136 128 82 54 43 53 55 116
9 113 94 196 159 152 162 70 53 53 55 64 98
10 98 115 207 143 190 164 61 53 61 69 80 82
11 124 107 219 152 218 148 58 51 58 95 88 97
12 117 113 195 170 219 135 75 47 59 79 78 107
13 140 112 211 153 217 159 115 41 92 68 76 96
14 124 111 210 158 188 202 100 42 134 83 92 94
15 110 111 191 177 177 176 74 53 131 83 97 109
16 89 108 181 178 140 143 60 63 87 63 88 91
17 94 143 167 231 140 107 57 98 74 69 75 77
18 93 152 181 212 150 88 109 112 74 72 89 66
19 92 150 195 169 139 84 133 81 85 56 118 61
20 114 185 186 179 121 102 92 88 56 59 99 75
21 103 231 164 176 119 121 108 85 48 53 89 88
22 108 226 155 188 149 126 125 59 47 50 75 115
23 127 211 155 178 146 117 96 57 61 83 77 108
24 135 178 148 147 120 90 95 81 75 83 78 97
25 122 168 153 205 111 114 72 74 68 95 72 140
26 118 143 145 208 130 120 62 77 84 84 95 121
27 98 168 146 181 126 139 68 82 82 95 126 130
28 100 156 164 224 128 121 83 79 95 65 167 144
29 98 110 175 222 173 109 71 86 83 58 122 142
30 102   207 227 144 95 64 68 65 101 106 156
31 82   223   135   74 63   114   162