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USGS Daily Statistics for Arizona

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Welcome to the NWIS-Web for the Arizona Water Science Center


The majority of USGS Gaging Stations are funded though a cooperative program between the USGS other interested agencies.
Follow this link for information on the Cooperative Water Program with the USGS.

Arizona Water Science Center Home Page
Colorado Basin River Forecast Center (CBRFC) - provided by the National Weather Service, AHPS. CBRFC on an interactive map.
Threatened and Endangered USGS Gaging Stations in Arizona

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 09428510 POSTON WASTEWAY NEAR POSTON, AZ


La Paz County, Arizona
Hydrologic Unit Code 15030104
Latitude  33°59'54.43", Longitude 114°27'22.82" NAD83
Gage datum 291.09 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 1969-10-01 -> 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 98 110 134 157 151 160 159 163 141 128 107
2 109 99 103 141 158 148 162 164 157 142 129 106
3 109 103 105 145 156 149 152 161 164 142 133 112
4 117 98 109 136 154 149 164 163 157 148 131 110
5 104 106 118 131 156 151 166 160 159 152 126 115
6 102 100 111 136 153 153 161 167 163 149 125 108
7 95 99 111 141 147 151 158 173 158 145 125 107
8 94 102 111 139 148 150 165 171 167 147 124 112
9 90 106 114 139 153 150 167 173 164 138 123 105
10 82 106 117 144 158 149 157 173 166 137 118 108
11 79 105 125 141 154 151 162 165 159 131 121 114
12 73 105 125 137 154 150 162 175 159 141 125 120
13 71 107 122 148 153 157 163 179 155 143 119 116
14 69 108 117 149 153 161 161 171 150 139 115 120
15 76 110 114 152 148 157 158 171 152 137 112 120
16 77 108 118 151 149 160 158 171 161 136 120 110
17 79 105 129 139 149 159 167 180 155 141 122 108
18 79 103 125 144 148 158 175 180 155 130 128 108
19 88 105 123 150 144 153 177 168 155 134 116 102
20 81 105 120 148 144 156 170 171 159 139 107 99
21 80 103 130 153 155 150 170 173 162 134 110 99
22 86 106 128 153 149 152 176 168 159 130 122 104
23 92 105 124 151 154 163 171 169 153 133 119 105
24 85 107 127 147 151 161 168 172 153 130 111 115
25 92 109 127 156 159 157 164 172 154 131 111 127
26 95 112 130 142 150 161 164 164 154 130 111 104
27 91 109 128 152 153 163 169 162 148 129 109 95
28 85 112 124 151 153 161 172 160 146 128 110 95
29 90 101 132 147 149 155 170 162 144 130 104 101
30 90   134 152 151 157 176 150 145 127 108 99
31 97   130   151   169 158   127   121