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USGS Surface-Water 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 09419800 LV WASH BLW LAKE LAS VEGAS NR BOULDER CITY, NV


Clark County, Nevada
Hydrologic Unit Code 15010015
Latitude  36°07'20", Longitude 114°54'15" NAD27
Drainage area 2,193  square miles
Contributing drainage area 1,586.00  square miles
Gage datum 1,249.45 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 1968-10-01 -> 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
1 228 222 228 207 207 189 199 212 235 207 207 224
2 224 218 237 222 205 189 203 215 259 212 211 217
3 236 227 222 218 200 190 191 203 226 223 212 219
4 242 218 223 207 198 188 216 225 209 221 215 221
5 231 228 228 205 196 188 205 208 204 221 214 223
6 236 227 238 203 197 187 195 197 202 236 214 217
7 226 241 221 205 197 188 194 197 203 215 214 217
8 223 235 219 203 202 189 192 195 213 209 231 222
9 247 223 214 214 195 188 190 196 229 208 220 216
10 243 237 213 243 216 186 206 198 215 207 215 216
11 236 235 234 206 195 188 193 219 246 236 214 220
12 222 232 239 207 193 187 194 221 228 277 217 220
13 218 234 268 202 191 188 194 207 210 216 217 216
14 216 255 217 201 192 189 194 219 215 225 211 221
15 225 240 212 211 192 188 204 207 206 216 214 221
16 225 224 215 205 190 194 200 206 201 212 214 217
17 219 225 214 201 190 188 200 210 200 220 213 215
18 218 250 215 198 195 188 205 229 199 241 215 220
19 218 238 210 201 194 186 210 222 201 233 213 215
20 233 227 212 200 191 186 211 227 206 224 225 218
21 245 251 212 199 191 190 216 214 204 233 226 225
22 243 260 212 201 192 188 205 239 205 217 254 247
23 244 265 216 199 191 185 237 223 204 214 224 239
24 220 230 209 197 192 187 211 210 206 217 220 242
25 219 227 209 196 192 185 215 203 205 217 217 218
26 227 253 210 201 191 187 225 226 201 215 221 226
27 236 219 208 196 190 185 223 221 214 214 222 228
28 221 226 208 199 191 184 227 209 214 216 225 231
29 225 218 210 212 190 186 219 199 207 213 225 266
30 226   207 226 191 196 210 200 206 213 220 233
31 219   207   190   209 199   211   233