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USGS 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 1,280.00 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 31 - 33 years of record in, ft3/s   (Calculation Period 1968-10-01 -> 2019-09-30)

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
1 209 203 204 188 189 171 181 188 182 189 189 207
2 206 199 215 205 187 171 187 186 187 193 192 199
3 220 211 205 201 182 172 173 183 181 207 193 201
4 228 195 207 188 180 171 202 210 182 205 197 198
5 214 194 213 187 177 169 190 190 183 205 196 198
6 220 200 216 185 178 168 177 178 183 223 195 199
7 210 218 201 186 179 170 176 178 185 198 196 200
8 207 213 203 184 183 171 174 176 197 191 216 205
9 235 203 197 197 176 170 174 176 215 189 201 198
10 224 218 195 231 177 168 191 179 196 189 197 198
11 220 217 204 189 176 170 175 203 233 223 196 202
12 206 214 196 187 175 169 176 189 211 270 198 202
13 201 216 194 183 173 170 175 189 192 198 199 198
14 199 206 194 184 173 170 176 203 197 209 192 204
15 206 204 194 195 174 169 187 189 188 198 195 200
16 206 202 197 186 172 167 183 186 183 194 194 200
17 201 205 197 183 172 168 180 194 182 203 194 197
18 201 230 199 182 178 169 186 211 181 227 196 203
19 201 220 193 184 177 167 193 194 183 219 195 197
20 219 205 194 182 173 167 195 194 181 208 194 201
21 232 219 194 181 172 171 201 184 185 217 202 208
22 229 236 192 184 173 169 183 224 187 200 241 233
23 228 248 199 182 173 166 223 208 186 195 207 222
24 203 210 192 179 174 166 194 189 188 198 203 223
25 201 208 191 179 175 164 192 185 188 199 199 202
26 211 232 192 184 173 167 189 212 183 197 203 210
27 222 198 190 179 172 165 201 207 197 196 205 205
28 204 206 190 183 173 164 205 193 190 199 201 214
29 209 191 192 187 172 167 190 181 188 196 202 256
30 209   188 205 173 178 182 183 188 195 202 217
31 203   188   173   187 181   193   215