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USGS Surface-Water Daily Statistics for Illinois

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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 05536275 THORN CREEK AT THORNTON, IL


Cook County, Illinois
Hydrologic Unit Code 07120003
Latitude  41°34'06", Longitude  87°36'28" NAD27
Drainage area 104  square miles
Gage datum 586.43 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 1947-10-01 -> 2022-09-30)

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
1 151 80 186 208 218 166 100 56 71 54 94 113
2 115 98 172 193 173 167 93 57 60 50 99 118
3 102 106 166 189 143 127 102 72 49 76 84 112
4 134 91 197 195 121 91 76 88 43 73 82 100
5 142 101 212 166 123 101 66 85 55 62 93 86
6 123 96 182 199 128 94 64 67 51 56 84 78
7 93 92 163 182 141 117 80 53 49 53 62 99
8 124 88 175 146 138 130 81 54 43 54 55 117
9 111 91 185 158 151 165 70 52 53 56 65 98
10 88 112 203 143 190 169 60 53 62 70 81 83
11 121 107 220 153 221 153 58 51 56 97 89 98
12 115 113 196 170 222 139 63 47 57 77 79 108
13 132 113 212 154 218 163 107 42 93 66 77 97
14 123 112 205 160 183 208 94 40 136 79 93 95
15 110 112 189 180 178 181 65 50 134 81 98 106
16 89 109 182 181 140 147 55 63 88 62 90 90
17 94 145 164 235 142 110 55 97 70 69 76 74
18 94 155 181 215 152 90 110 113 71 72 90 63
19 91 152 197 171 142 86 136 83 85 56 121 59
20 114 188 188 181 123 105 94 89 56 58 101 75
21 103 236 166 178 119 125 111 86 48 53 87 89
22 108 229 157 191 152 130 129 60 47 50 73 116
23 128 207 156 181 149 118 96 58 62 85 77 105
24 133 178 149 150 122 91 92 83 76 85 79 95
25 114 169 150 208 113 115 70 76 68 95 73 140
26 101 144 140 212 131 122 62 78 85 82 97 118
27 88 167 143 183 124 143 69 84 83 93 127 130
28 92 155 164 224 127 125 83 80 97 64 169 144
29 95 114 177 217 175 111 70 87 84 56 124 140
30 101   205 226 147 98 65 69 66 100 108 155
31 81   220   138   76 64   114   163