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USGS Daily Statistics for Florida

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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 02301000 NORTH PRONG ALAFIA RIVER AT KEYSVILLE FL


Hillsborough County, Florida
Hydrologic Unit Code 03100204
Latitude  27°53'01", Longitude  82°06'01" NAD27
Drainage area 135  square miles
Gage datum 37.59 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 1949-10-01 -> 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
1 156 97 133 138 60 97 188 258 323 244 100 80
2 130 99 140 130 65 91 172 240 330 250 102 76
3 128 117 133 136 73 95 161 284 322 239 96 73
4 120 137 129 116 69 94 161 279 306 219 93 75
5 113 136 117 108 64 95 162 286 278 194 98 81
6 107 135 115 99 57 103 177 286 420 186 106 88
7 105 126 121 95 52 108 180 249 381 179 100 82
8 103 129 125 101 50 122 193 259 312 179 92 83
9 102 135 128 95 60 126 188 277 291 193 91 84
10 101 127 121 84 61 129 184 279 297 441 92 94
11 98 115 107 81 63 126 172 287 507 172 96 100
12 101 108 105 82 70 121 176 284 382 151 110 95
13 124 110 111 84 73 115 173 290 322 135 108 140
14 114 119 106 75 73 123 212 302 321 122 105 146
15 110 114 98 70 96 116 221 279 318 117 106 113
16 105 122 136 73 85 108 202 288 286 117 97 103
17 101 141 245 68 75 106 195 297 306 116 94 97
18 99 129 213 62 78 142 216 292 265 119 93 93
19 94 124 185 59 80 163 205 273 258 144 85 90
20 92 140 225 58 84 178 210 264 263 171 80 97
21 92 125 157 59 87 168 224 250 279 152 82 134
22 101 111 135 70 82 166 221 259 275 129 81 115
23 113 111 122 70 78 162 211 255 247 112 82 105
24 126 113 116 61 75 162 210 280 253 120 86 105
25 131 119 110 57 76 182 210 288 225 134 113 113
26 119 126 107 59 88 194 219 293 244 109 116 114
27 113 142 116 66 100 175 242 268 352 101 99 134
28 116 135 125 60 86 180 229 262 344 98 87 130
29 116 120 131 56 80 177 239 260 344 102 82 108
30 110   168 55 88 178 273 273 289 100 80 106
31 101   156   106   247 277   96   101