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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 81 187 228 216 163 99 56 70 53 94 113
2 115 97 172 200 171 164 96 57 59 49 98 119
3 104 105 166 190 142 124 102 71 48 74 83 113
4 136 91 197 196 120 89 75 87 43 72 81 101
5 142 100 213 167 122 99 70 85 55 62 92 87
6 123 96 183 200 127 94 74 69 55 56 83 80
7 93 92 164 182 140 116 82 54 50 53 62 99
8 123 88 175 146 137 128 82 54 43 53 55 116
9 113 94 184 158 150 163 71 53 53 55 64 98
10 98 115 203 142 189 166 60 53 61 69 80 82
11 124 108 219 153 219 150 58 51 58 95 88 97
12 117 113 196 169 220 136 76 47 59 79 78 107
13 140 113 212 153 218 160 116 42 92 68 76 96
14 124 112 204 159 182 204 97 42 134 83 92 94
15 110 112 188 178 176 178 67 54 131 83 97 109
16 89 109 180 179 139 144 57 64 87 63 88 91
17 94 145 167 233 140 108 56 97 74 69 75 77
18 93 154 182 213 150 89 109 112 74 72 89 66
19 92 151 196 170 140 85 134 82 85 56 118 61
20 114 186 187 180 122 103 93 89 56 59 99 75
21 103 233 165 178 119 122 109 85 48 53 89 88
22 108 228 156 190 151 127 127 59 47 50 75 115
23 127 213 157 180 147 115 96 58 61 83 77 108
24 135 179 149 149 121 90 95 82 75 83 78 97
25 122 170 154 206 111 114 72 75 68 95 72 140
26 118 144 144 210 130 121 62 77 84 84 95 121
27 98 170 146 182 126 140 69 82 82 95 126 130
28 100 158 165 222 128 122 84 79 95 65 167 144
29 98 114 177 215 173 109 71 86 83 58 122 142
30 102   204 224 145 96 65 68 65 101 106 156
31 82   222   135   75 63   114   162