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USGS Daily Statistics for the Nation

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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
1 154 97 132 136 60 97 188 258 323 244 102 80
2 129 98 139 129 65 91 172 240 330 250 103 76
3 127 116 133 135 73 95 161 284 322 239 97 73
4 119 136 128 115 69 94 161 279 306 219 94 75
5 112 135 116 107 64 95 162 286 278 194 99 81
6 106 134 114 99 57 103 177 286 420 186 107 87
7 105 125 120 94 52 108 180 249 381 179 101 82
8 102 128 124 101 50 122 193 259 312 179 92 83
9 101 134 127 95 60 126 188 277 291 193 92 83
10 100 126 120 84 61 129 184 279 297 441 93 93
11 97 114 106 81 63 126 172 287 507 244 96 99
12 100 107 105 82 70 121 176 284 382 178 110 95
13 123 109 110 84 73 115 173 290 322 152 108 139
14 113 118 105 75 73 123 212 302 321 134 105 144
15 109 112 97 70 96 116 221 279 318 127 106 112
16 104 120 135 73 85 108 202 288 286 127 97 102
17 100 139 242 68 75 106 195 297 306 125 94 97
18 98 128 211 62 78 142 216 292 265 127 93 93
19 93 123 183 59 80 163 205 273 258 150 85 89
20 91 139 222 58 84 178 210 264 263 176 81 96
21 92 124 155 59 87 168 224 250 279 157 82 133
22 101 110 133 70 82 166 221 259 275 133 82 114
23 114 110 121 70 78 162 211 255 247 116 82 104
24 126 112 115 61 75 162 210 280 253 123 86 104
25 130 121 109 57 76 182 210 288 225 137 113 112
26 118 129 106 59 88 194 219 293 244 111 116 113
27 113 143 115 66 100 175 242 268 352 103 99 132
28 115 135 124 60 86 180 229 262 344 100 87 129
29 115 120 129 56 80 177 239 260 344 104 82 107
30 109   166 55 88 178 273 273 289 102 80 106
31 101   154   106   247 277   98   101