Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

* We've detected you're using a mobile device. Find our mobile dedicated web site here.
Click to hideNews Bulletins

USGS Daily Statistics for Montana

Click to hide state-specific text
Questions or concerns about USGS streamflow data in Montana and Wyoming can be directed to Kirk Miller (kmiller@usgs.gov; 307-775-9168).


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 06019500 Ruby River above reservoir near Alder, MT


Madison County, Montana
Hydrologic Unit Code 10020003
Latitude  45°11'32.35", Longitude 112°08'34.14" NAD83
Drainage area 534  square miles
Gage datum 5,400 feet above NAVD88
Output formats
HTML table of all data
Tab-separated data
Reselect output format

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 1937-10-01 -> 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
1 104 102 103 121 237 543 292 136 112 120 126 116
2 104 101 102 125 245 549 280 134 111 120 125 116
3 104 102 100 124 260 547 271 133 111 122 125 115
4 103 102 101 127 278 556 262 133 110 122 127 115
5 102 102 101 131 284 560 254 132 110 123 126 113
6 103 101 102 135 294 571 242 129 110 122 125 113
7 103 102 103 138 311 560 234 126 111 122 126 112
8 104 101 104 139 322 556 227 125 111 123 125 111
9 104 101 105 141 337 536 220 126 111 122 125 110
10 103 103 105 143 345 534 218 124 112 122 124 110
11 103 104 106 143 349 518 212 122 114 123 124 111
12 103 106 107 144 352 502 202 121 115 123 124 111
13 104 105 107 145 371 496 193 121 114 123 124 111
14 103 104 107 151 383 488 189 119 114 123 123 110
15 104 102 106 153 405 481 184 117 114 124 121 110
16 103 101 107 154 438 480 177 116 114 124 122 109
17 103 101 110 161 453 471 171 114 115 124 121 109
18 103 102 112 164 457 446 170 114 116 124 122 108
19 104 101 112 166 461 434 165 113 117 124 121 108
20 103 102 112 171 482 423 159 113 119 124 120 109
21 102 102 114 177 509 408 156 114 120 124 119 109
22 102 101 116 186 512 401 154 114 121 125 118 109
23 102 101 120 195 511 387 154 113 120 124 117 108
24 102 102 120 201 521 383 150 114 119 126 119 108
25 102 101 121 208 525 382 148 114 118 125 118 108
26 102 100 121 204 531 363 147 114 118 126 117 108
27 101 100 121 209 540 350 144 110 117 125 116 108
28 101 102 119 216 547 337 143 109 118 126 116 107
29 101 106 116 227 558 319 142 110 117 126 116 107
30 103   117 235 554 306 141 110 118 125 116 107
31 103   119   546   139 112   126   106