![]() | Prepared by Brent.Bernard, Patrick Kormos 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 | |
Bear | |||||||
Utah | April-July | 90 | 95 | 97 | 87 | 99 | 106 |
June-July | 37 | 42 | 44 | 67 | 46 | 53 | |
Woodruff Narrows Rsvr, Abv | April-July | 61 | 69 | 72 | 60 | 74 | 80 |
June-July | 15 | 23 | 26 | 46 | 28 | 34 | |
Montpelier, Nr, Stewart Dam, Blo * | April-July | 100 | 117 | 120 | 66 | 125 | 140 |
June-July | 31 | 48 | 51 | 56 | 56 | 71 | |
Smiths Fork | |||||||
Border, Nr | April-July | 70 | 75 | 79 | 89 | 82 | 87 |
June-July | 32 | 37 | 41 | 82 | 44 | 49 | |
Logan | |||||||
Logan, Nr, State Dam, Abv | April-July | 85 | 90 | 93 | 84 | 95 | 102 |
June-July | 38 | 43 | 46 | 75 | 48 | 55 | |
Blacksmith Fork | |||||||
Hyrum, Nr, Upnl Dam, Abv | April-July | 28 | 30 | 32 | 74 | 33 | 34 |
June-July | 7.7 | 9.7 | 11.4 | 70 | 12.7 | 13.7 | |
Little Bear | |||||||
Paradise | April-July | 19.1 | 20 | 21 | 45 | 22 | 24 |
June-July | 0.77 | 1.7 | 2.7 | 23 | 3.7 | 5.2 |
Forecast Period | 90% Exceedance Volume | 70% Exceedance Volume | 50% Exceedance Volume | Percent Average | 30% Exceedance Volume | 10% Exceedance Volume | |
Weber | |||||||
Oakley, Nr | April-July | 80 | 87 | 91 | 77 | 96 | 102 |
June-July | 24 | 31 | 35 | 55 | 40 | 46 | |
Rockport Res, Wanship, Nr | April-July | 70 | 75 | 81 | 61 | 86 | 92 |
June-July | 18.4 | 23 | 29 | 45 | 34 | 40 | |
Coalville, Nr | April-July | 72 | 80 | 84 | 63 | 88 | 94 |
June-July | 17 | 25 | 29 | 46 | 33 | 39 | |
Chalk Ck | |||||||
Coalville | April-July | 15 | 16 | 17.1 | 42 | 17.8 | 20 |
June-July | 1.9 | 2.9 | 4 | 25 | 4.7 | 7.4 | |
Weber | |||||||
Echo Reservoir, Echo, At | April-July | 80 | 90 | 97 | 57 | 103 | 111 |
June-July | 13 | 23 | 30 | 40 | 36 | 44 | |
Lost Ck | |||||||
Lost Ck Reservoir, Croyden, Nr | April-July | 6.5 | 6.9 | 7.2 | 54 | 7.8 | 8.1 |
June-July | 0.51 | 0.91 | 1.2 | 43 | 1.8 | 2.1 | |
East Canyon Ck | |||||||
East Canyon Reservoir, Morgan, Nr | April-July | 13.5 | 14.8 | 15.5 | 57 | 15.7 | 17.1 |
June-July | 1.4 | 2.7 | 3.4 | 40 | 3.6 | 5 | |
Weber | |||||||
Gateway | April-July | 149 | 165 | 171 | 53 | 176 | 192 |
June-July | 18.6 | 35 | 41 | 37 | 46 | 62 | |
Sf Ogden | |||||||
Huntsville, Nr | April-July | 32 | 34 | 36 | 64 | 37 | 40 |
June-July | 2.8 | 4.8 | 7.2 | 52 | 7.5 | 10.8 | |
Ogden | |||||||
Pineview Reservoir, Ogden, Nr | April-July | 53 | 57 | 58 | 51 | 59 | 64 |
June-July | 1.4 | 5.4 | 6.6 | 29 | 7.6 | 12.2 |
Forecast Period | 90% Exceedance Volume | 70% Exceedance Volume | 50% Exceedance Volume | Percent Average | 30% Exceedance Volume | 10% Exceedance Volume | |
Little Cottonwood Ck | |||||||
Salt Lake City, Nr | April-July | 26 | 29 | 31 | 82 | 32 | 34 |
June-July | 12 | 15 | 16.8 | 70 | 17.9 | 19.8 | |
Big Cottonwood Ck | |||||||
Salt Lake City, Nr | April-July | 19.2 | 21 | 23 | 64 | 25 | 27 |
June-July | 7.2 | 8.6 | 10.7 | 56 | 13 | 15 | |
Mill Ck | |||||||
Salt Lake City, Nr | April-July | 2.8 | 3.1 | 3.5 | 55 | 3.8 | 4.4 |
June-July | 0.85 | 1.2 | 1.6 | 48 | 1.9 | 2.5 | |
Dell Fk | |||||||
Little Dell Reservoir | April-July | 2.8 | 3 | 3.1 | 56 | 3.4 | 3.5 |
June-July | 0.15 | 0.3 | 0.49 | 37 | 0.7 | 0.85 | |
Lambs Ck | |||||||
Salt Lake City, Nr | April-July | 2.4 | 2.6 | 2.7 | 51 | 2.9 | 3.1 |
June-July | 0.65 | 0.8 | 0.9 | 39 | 1.2 | 1.3 | |
Parleys Ck | |||||||
Salt Lake City, Nr | April-July | 6.7 | 6.9 | 7.1 | 50 | 7.2 | 7.7 |
June-July | 1.5 | 1.7 | 1.8 | 39 | 2 | 2.5 | |
Red Butte Ck | |||||||
Ft Douglas, At, Salt Lake City, Nr | April-July | 0.6 | 0.65 | 0.7 | 37 | 0.73 | 0.78 |
June-July | 0.12 | 0.17 | 0.22 | 39 | 0.25 | 0.3 | |
City Ck | |||||||
Salt Lake City, Nr | April-July | 3.1 | 3.4 | 3.6 | 47 | 4 | 4.4 |
June-July | 1.1 | 1.4 | 1.6 | 45 | 2 | 2.4 | |
S Willow Ck | |||||||
Grantsville, Nr | April-July | 1.1 | 1.4 | 1.5 | 50 | 1.8 | 2.1 |
June-July | 0.3 | 0.59 | 0.7 | 42 | 0.92 | 1.3 |
Forecast Period | 90% Exceedance Volume | 70% Exceedance Volume | 50% Exceedance Volume | Percent Average | 30% Exceedance Volume | 10% Exceedance Volume | |
Spanish Fork | |||||||
Castilla, Nr | April-July | 26 | 28 | 29 | 42 | 31 | 32 |
June-July | 6 | 7.5 | 9.2 | 38 | 10.6 | 12 | |
Provo | |||||||
Woodland, Nr | April-July | 83 | 85 | 89 | 89 | 92 | 98 |
June-July | 25 | 27 | 31 | 66 | 34 | 40 | |
Hailstone, Nr | April-July | 85 | 89 | 92 | 84 | 94 | 100 |
June-July | 27 | 31 | 34 | 65 | 36 | 42 | |
Deer Ck Reservoir | April-July | 79 | 85 | 92 | 72 | 100 | 109 |
June-July | 18 | 24 | 31 | 56 | 39 | 48 | |
American Fork | |||||||
American Fork, Nr, Up Pwrplnt, Abv | April-July | 11.8 | 13.1 | 14.4 | 46 | 16 | 18.2 |
June-July | 5.3 | 6.6 | 7.9 | 44 | 9.5 | 11.7 | |
West Canyon Ck | |||||||
Cedar Fort, Nr | April-July | 0.58 | 0.63 | 0.66 | 38 | 0.71 | 0.75 |
June-July | 0.03 | 0.08 | 0.11 | 13.4 | 0.16 | 0.2 | |
Salt Ck | |||||||
Nephi Powerplant Div, Blo | April-July | 3 | 3.2 | 3.5 | 42 | 4.1 | 4.6 |
June-July | 0.61 | 0.85 | 1.1 | 36 | 1.8 | 2.3 | |
Jordan | |||||||
Utah Lake, Provo, Nr | April-July | 180 | 195 | 215 | 66 | 220 | 230 |
June-July | 18.9 | 34 | 54 | 43 | 61 | 69 |
Range | Round to | |
0-1.99 | 0.01 | |
2.0-19.9 | 0.1 | |
20-199 | 1.0 | |
200-999 | 5.0 | |
1000+ | 3 significant digits |