New 1991-2020 Averages being used this year.
![]() | Prepared by Ashley Nielson NOAA, National Weather Service Colorado Basin River Forecast Center Salt Lake City, Utah www.cbrfc.noaa.gov |
Forecast Period | 90% Exceedance Volume | 70% Exceedance Volume | 50% Exceedance Volume | Percent Average | 30% Exceedance Volume | 10% Exceedance Volume | |
Green | |||||||
Daniel, Nr, Warren Bridge, At | April-July | 145 | 170 | 195 | 76 | 220 | 255 |
Pine Ck | |||||||
Fremont Lk, Abv | April-July | 50 | 57 | 70 | 69 | 77 | 95 |
New Fork | |||||||
Big Piney, Nr | April-July | 115 | 150 | 185 | 52 | 230 | 320 |
Green | |||||||
Fontenelle Reservoir, Fontenelle, Nr | April-July | 280 | 350 | 450 | 61 | 530 | 725 |
Big Sandy | |||||||
Farson, Nr | April-July | 18 | 22 | 28 | 56 | 34 | 50 |
Green | |||||||
Green River, Wy, Nr | April-July | 270 | 340 | 440 | 60 | 530 | 725 |
Hams Fork | |||||||
Frontier, Nr, Pole Ck, Blo | April-July | 20 | 24 | 28 | 54 | 42 | 50 |
Viva Naughton Reservoir | April-July | 23 | 29 | 34 | 47 | 54 | 70 |
Blacks Fork | |||||||
Robertson, Nr | April-July | 50 | 58 | 64 | 73 | 83 | 100 |
Ef Smiths Fork | |||||||
Stateline Reservoir, Robertson,nr | April-July | 16 | 19 | 21 | 75 | 26 | 31 |
Green | |||||||
Flaming Gorge Reservoir | April-July | 340 | 450 | 540 | 56 | 730 | 970 |
Forecast Period | 90% Exceedance Volume | 70% Exceedance Volume | 50% Exceedance Volume | Percent Average | 30% Exceedance Volume | 10% Exceedance Volume | |
Yampa | |||||||
Stagecoach Rsvr, Abv | April-July | 19 | 21 | 23 | 85 | 26 | 30 |
Steamboat Springs | April-July | 135 | 170 | 195 | 75 | 235 | 265 |
Elk | |||||||
Milner, Nr | April-July | 220 | 260 | 290 | 88 | 330 | 380 |
Elkhead Ck | |||||||
Long Gulch, Abv, Hayden, Nr | April-July | 48 | 57 | 67 | 94 | 77 | 95 |
Yampa | |||||||
Maybell, Nr | April-July | 520 | 635 | 720 | 78 | 830 | 1000 |
Little Snake | |||||||
Slater, Nr | April-July | 80 | 100 | 125 | 81 | 147 | 180 |
Dixon, Nr | April-July | 150 | 190 | 235 | 71 | 280 | 375 |
Lily, Nr | April-July | 160 | 200 | 250 | 77 | 300 | 400 |
Yampa | |||||||
Deerlodge Park | April-July | 675 | 840 | 965 | 81 | 1100 | 1350 |
White | |||||||
Meeker, Nr | April-July | 155 | 180 | 205 | 79 | 230 | 310 |
Watson, Nr | April-July | 150 | 180 | 210 | 78 | 235 | 330 |
Forecast Period | 90% Exceedance Volume | 70% Exceedance Volume | 50% Exceedance Volume | Percent Average | 30% Exceedance Volume | 10% Exceedance Volume | |
Big Brush Ck | |||||||
Vernal, Nr, Red Fleet Res, Abv | April-July | 8.5 | 10.5 | 14 | 71 | 16.5 | 21 |
Ashley Ck | |||||||
Vernal, Nr | April-July | 20 | 24 | 33 | 72 | 40 | 51 |
West Fork Duchesne | |||||||
Vat Diversion, Blo | April-July | 9 | 11 | 13 | 76 | 15 | 17.5 |
Duchesne | |||||||
Tabiona, Nr | April-July | 65 | 70 | 78 | 76 | 90 | 105 |
Rock Ck | |||||||
Upper Stillwater Reservoir | April-July | 48 | 55 | 65 | 90 | 72 | 90 |
South Fork Rock Ck | |||||||
Docs Div, Blo | April-July | 3.8 | 4.7 | 5.5 | 75 | 6.5 | 8 |
Rock Ck | |||||||
Mountain Home, Nr | April-July | 58 | 65 | 77 | 89 | 85 | 107 |
Currant Ck | |||||||
Currant Ck Reservoir | April-July | 11 | 13.5 | 16 | 90 | 19 | 23 |
Strawberry | |||||||
Strawberry Reservoir, Soldier Springs | April-July | 23 | 27 | 35 | 58 | 42 | 63 |
Starvation Reservoir, Duchesne, Nr | April-July | 40 | 50 | 65 | 69 | 80 | 115 |
Duchesne | |||||||
Duchesne, Nr, Knight Div, Abv | April-July | 120 | 130 | 155 | 82 | 175 | 205 |
Lake Fork | |||||||
Moon Lake Reservoir, Mtn Home, Nr | April-July | 35 | 43 | 55 | 86 | 60 | 75 |
Yellowstone | |||||||
Altonah, Nr | April-July | 35 | 45 | 55 | 92 | 62 | 75 |
Whiterocks | |||||||
Whiterocks, Nr | April-July | 29 | 34 | 44 | 86 | 52 | 65 |
Uinta | |||||||
Neola, Nr | April-July | 40 | 48 | 62 | 86 | 72 | 90 |
Duchesne | |||||||
Myton | April-July | 140 | 165 | 220 | 72 | 260 | 350 |
Randlett, Nr | April-July | 155 | 180 | 240 | 69 | 285 | 400 |
Forecast Period | 90% Exceedance Volume | 70% Exceedance Volume | 50% Exceedance Volume | Percent Average | 30% Exceedance Volume | 10% Exceedance Volume | |
White | |||||||
Blo Tabbyune Ck, Soldier Summit, Nr | April-July | 5 | 7 | 8.5 | 67 | 10 | 16.5 |
Fish Ck | |||||||
Scofield, Nr, Reservoir, Abv | April-July | 15.5 | 18 | 21 | 81 | 24 | 34 |
Price | |||||||
Scofield Reservoir, Scofield, Nr | April-July | 19 | 22 | 27 | 79 | 31 | 45 |
Green | |||||||
Green River, Ut | April-July | 1380 | 1720 | 1900 | 68 | 2600 | 2900 |
Huntington Ck | |||||||
Electric Lake | April-July | 7 | 8.4 | 10 | 88 | 11.2 | 16 |
Power Plant, Blo | April-July | 30 | 33 | 36 | 90 | 40 | 51 |
Seeley Ck | |||||||
Joes Vly Reservoir, Orangeville, Nr | April-July | 30 | 35 | 38 | 75 | 44 | 58 |
Ferron Ck | |||||||
Ferron, Nr | April-July | 19 | 23 | 26 | 74 | 31 | 43 |
Muddy Ck | |||||||
Emery, Nr | April-July | 9 | 11 | 12 | 66 | 13.2 | 21 |
Forecast Period | 90% Exceedance Volume | 70% Exceedance Volume | 50% Exceedance Volume | Percent Average | 30% Exceedance Volume | 10% Exceedance Volume | |
Colorado | |||||||
Lake Granby, Granby, Nr | April-July | 160 | 190 | 210 | 93 | 230 | 255 |
Willow Ck | |||||||
Willow Ck Reservoir, Granby, Nr | April-July | 30 | 40 | 50 | 100 | 60 | 72 |
Fraser | |||||||
Winter Park | April-July | 13 | 15 | 17 | 91 | 19 | 21 |
Williams Fork | |||||||
Williams Fork Reservoir, Parshall | April-July | 55 | 65 | 75 | 78 | 85 | 100 |
Muddy Ck | |||||||
Wolford Mountain Reservoir | April-July | 20 | 27 | 36 | 69 | 44 | 55 |
Blue | |||||||
Dillon Reservoir | April-July | 105 | 125 | 140 | 84 | 160 | 180 |
Green Mtn Reservoir | April-July | 180 | 220 | 245 | 88 | 270 | 320 |
Colorado | |||||||
Kremmling, Nr | April-July | 550 | 660 | 760 | 87 | 860 | 1000 |
Eagle | |||||||
Gypsum, Blo | April-July | 190 | 240 | 275 | 82 | 315 | 375 |
Colorado | |||||||
Dotsero, Nr | April-July | 900 | 1050 | 1200 | 86 | 1350 | 1600 |
Frying Pan | |||||||
Ruedi Reservoir, Basalt, Nr | April-July | 85 | 110 | 130 | 96 | 145 | 165 |
Roaring Fork | |||||||
Glenwood Springs | April-July | 470 | 540 | 600 | 92 | 660 | 770 |
Colorado | |||||||
Glenwood Springs, Blo | April-July | 1400 | 1600 | 1820 | 88 | 2000 | 2450 |
Cameo, Nr | April-July | 1550 | 1800 | 2000 | 88 | 2300 | 2700 |
Cisco, Nr | April-July | 2550 | 3000 | 3400 | 83 | 3800 | 4700 |
Lake Powell, Glen Cyn Dam, At | April-July | 3100 | 3800 | 4400 | 69 | 5100 | 7000 |
Forecast Period | 90% Exceedance Volume | 70% Exceedance Volume | 50% Exceedance Volume | Percent Average | 30% Exceedance Volume | 10% Exceedance Volume | |
Taylor | |||||||
Taylor Park Reservoir | April-July | 79 | 85 | 96 | 102 | 102 | 116 |
Almont | April-July | 120 | 131 | 147 | 100 | 155 | 175 |
East | |||||||
Almont | April-July | 140 | 160 | 181 | 102 | 192 | 220 |
Gunnison | |||||||
Gunnison, Nr | April-July | 270 | 305 | 345 | 99 | 375 | 430 |
Tomichi Ck | |||||||
Gunnison | April-July | 28 | 38 | 47 | 70 | 54 | 76 |
Lake Fork | |||||||
Gateview | April-July | 72 | 85 | 93 | 79 | 103 | 135 |
Gunnison | |||||||
Blue Mesa Reservoir | April-July | 440 | 505 | 560 | 88 | 615 | 750 |
Morrow Point Reservoir | April-July | 470 | 535 | 595 | 86 | 655 | 815 |
Crystal Reservoir | April-July | 510 | 580 | 650 | 84 | 725 | 920 |
Muddy Ck | |||||||
Paonia Reservoir, Bardine, Nr | April-July | 50 | 60 | 70 | 86 | 79 | 97 |
Nf Gunnison | |||||||
Somerset, Nr | April-July | 180 | 205 | 230 | 87 | 250 | 290 |
Surface Ck | |||||||
Cedaredge | April-July | 10 | 12.6 | 15.3 | 105 | 17.1 | 20 |
Uncompahgre | |||||||
Ridgway Reservoir | April-July | 54 | 64 | 72 | 78 | 77 | 98 |
Colona | April-July | 62 | 75 | 85 | 71 | 95 | 131 |
Delta | April-July | 27 | 45 | 58 | 53 | 70 | 105 |
Gunnison | |||||||
Grand Junction, Nr | April-July | 860 | 980 | 1100 | 83 | 1180 | 1520 |
Forecast Period | 90% Exceedance Volume | 70% Exceedance Volume | 50% Exceedance Volume | Percent Average | 30% Exceedance Volume | 10% Exceedance Volume | |
Dolores | |||||||
Dolores | April-July | 99 | 125 | 150 | 70 | 178 | 245 |
Mcphee Reservoir | April-July | 110 | 143 | 168 | 66 | 197 | 285 |
San Miguel | |||||||
Placerville, Nr | April-July | 53 | 70 | 81 | 70 | 90 | 110 |
Dolores | |||||||
Cisco, Nr | April-July | 185 | 250 | 300 | 59 | 345 | 500 |
Forecast Period | 90% Exceedance Volume | 70% Exceedance Volume | 50% Exceedance Volume | Percent Average | 30% Exceedance Volume | 10% Exceedance Volume | |
San Juan | |||||||
Pagosa Springs | April-July | 115 | 136 | 160 | 82 | 182 | 230 |
Carracas, Nr | April-July | 191 | 230 | 270 | 82 | 305 | 385 |
Navajo Reservoir, Archuleta, Nr | April-July | 315 | 380 | 455 | 72 | 520 | 680 |
Bluff, Nr | April-July | 500 | 615 | 750 | 68 | 835 | 1030 |
Rio Blanco | |||||||
Pagosa Springs, Nr, Blanco Dam, Blo | April-July | 29 | 35 | 40 | 82 | 46 | 54 |
Navajo | |||||||
Chromo, Nr, Oso Div Dam, Blo | April-July | 35 | 42 | 48 | 83 | 55 | 67 |
Little Navajo | |||||||
Oso Div Dam,bl,chromo,nr | April-July | 2.4 | 2.9 | 3.6 | 59 | 4.6 | 5.6 |
Piedra | |||||||
Arboles, Nr | April-July | 86 | 103 | 123 | 68 | 138 | 175 |
Los Pinos | |||||||
Vallecito Reservoir, Bayfield, Nr | April-July | 109 | 129 | 142 | 80 | 161 | 198 |
Animas | |||||||
Durango | April-July | 230 | 265 | 305 | 79 | 350 | 430 |
Florida | |||||||
Lemon Reservoir, Durango, Nr | April-July | 24 | 30 | 36 | 75 | 42 | 53 |
La Plata | |||||||
Hesperus | April-July | 11.5 | 12.8 | 16.4 | 71 | 18.1 | 24 |
Mancos | |||||||
Mancos, Nr | April-July | 7.1 | 9.8 | 13.3 | 77 | 15.3 | 20 |