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USGS Daily Statistics for Michigan

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NOTE: During winter months, stage and discharge may be significantly affected by backwater from ice, resulting in incorrect discharge data. Consequently, discharge data may not be displayed during periods of ice effect. Click here for more information.

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 04109000 GRAND RIVER AT JACKSON, MI


Jackson County, Michigan
Hydrologic Unit Code 04050004
Latitude  42°17'01", Longitude  84°24'32" NAD27
Drainage area 174  square miles
Gage datum 899.61 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 1934-10-01 -> 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
1 133 131 195 247 202 161 118 76 66 74 100 128
2 134 130 195 244 196 165 113 78 64 72 101 128
3 136 129 195 243 189 168 108 81 63 75 96 128
4 142 129 199 251 186 166 101 79 64 80 94 128
5 142 130 207 252 179 161 101 77 62 79 97 128
6 137 133 210 249 180 156 97 80 62 82 100 127
7 134 134 209 248 178 151 97 77 61 79 102 128
8 136 132 212 248 176 148 95 77 63 79 102 129
9 134 134 214 242 173 141 90 76 65 83 105 129
10 133 136 218 238 173 135 91 73 64 81 107 128
11 135 132 223 240 173 133 88 74 65 77 107 129
12 137 133 222 235 175 130 86 74 67 79 104 130
13 139 134 224 225 173 132 81 70 69 80 105 128
14 138 139 227 225 176 129 82 70 68 83 107 126
15 140 142 232 224 186 125 80 69 68 83 112 126
16 138 147 237 219 188 128 85 71 66 86 111 121
17 138 152 235 217 187 125 89 71 68 86 110 118
18 137 156 235 211 187 125 87 68 69 88 113 115
19 134 164 239 209 185 122 86 69 70 91 114 112
20 132 169 243 211 178 124 86 70 68 92 115 113
21 132 174 243 210 181 128 90 69 68 90 115 113
22 133 181 239 210 178 126 88 66 69 89 114 113
23 136 183 235 206 174 127 84 64 70 91 112 114
24 138 188 234 201 168 125 84 66 68 91 111 111
25 136 191 238 203 168 133 86 63 71 92 113 108
26 136 191 239 204 166 132 85 63 75 91 116 106
27 133 195 236 205 164 133 85 66 77 94 124 114
28 135 194 239 208 163 130 88 66 74 95 128 118
29 137 179 240 205 160 127 87 66 77 95 126 125
30 136   248 202 158 123 83 67 74 96 126 128
31 135   251   162   79 68   97   133