![]() | 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 | 75 | 85 | 89 | 79 | 94 | 104 |
June-July | 22 | 32 | 36 | 55 | 41 | 51 | |
Woodruff Narrows Rsvr, Abv | April-July | 49 | 58 | 63 | 52 | 68 | 81 |
June-July | 5.3 | 14.3 | 19.3 | 34 | 24 | 37 | |
Montpelier, Nr, Stewart Dam, Blo * | April-July | 58 | 64 | 70 | 38 | 80 | 99 |
June-July | 2.8 | 8.6 | 14.4 | 15.8 | 25 | 44 | |
Smiths Fork | |||||||
Border, Nr | April-July | 74 | 81 | 87 | 98 | 90 | 95 |
June-July | 26 | 33 | 39 | 78 | 42 | 47 | |
Logan | |||||||
Logan, Nr, State Dam, Abv | April-July | 85 | 88 | 90 | 81 | 96 | 107 |
June-July | 35 | 38 | 40 | 66 | 46 | 57 | |
Blacksmith Fork | |||||||
Hyrum, Nr, Upnl Dam, Abv | April-July | 27 | 28 | 30 | 70 | 32 | 36 |
June-July | 8.4 | 9.4 | 11.8 | 73 | 13.4 | 17.4 | |
Little Bear | |||||||
Paradise | April-July | 24 | 26 | 28 | 60 | 31 | 35 |
June-July | 0.87 | 2.8 | 4.8 | 41 | 7.8 | 11.8 |
Forecast Period | 90% Exceedance Volume | 70% Exceedance Volume | 50% Exceedance Volume | Percent Average | 30% Exceedance Volume | 10% Exceedance Volume | |
Weber | |||||||
Oakley, Nr | April-July | 51 | 60 | 67 | 57 | 71 | 78 |
June-July | 8.7 | 17.7 | 25 | 39 | 29 | 36 | |
Rockport Res, Wanship, Nr | April-July | 45 | 52 | 56 | 42 | 60 | 72 |
June-July | 5.3 | 12.3 | 16.3 | 25 | 20 | 32 | |
Coalville, Nr | April-July | 47 | 51 | 56 | 42 | 62 | 72 |
June-July | 5.2 | 9.7 | 14.1 | 22 | 20 | 30 | |
Chalk Ck | |||||||
Coalville | April-July | 11.5 | 13 | 14 | 34 | 17 | 22 |
June-July | 0.96 | 2.5 | 3.5 | 22 | 6.5 | 11.5 | |
Weber | |||||||
Echo Res, Echo, At | April-July | 57 | 62 | 67 | 39 | 72 | 92 |
June-July | 5.2 | 10.2 | 15.4 | 21 | 19.8 | 40 | |
Lost Ck | |||||||
Lost Ck Res, Croydon, Nr | April-July | 4 | 4.2 | 4.7 | 35 | 5.2 | 6.5 |
June-July | 0.3 | 0.5 | 0.99 | 34 | 1.5 | 2.8 | |
East Canyon Ck | |||||||
East Canyon Res, Morgan, Nr | April-July | 8.5 | 9.5 | 10.3 | 38 | 11.1 | 13 |
June-July | 0.91 | 1.9 | 2.7 | 32 | 3.5 | 5.4 | |
Weber | |||||||
Gateway | April-July | 87 | 95 | 108 | 33 | 120 | 160 |
June-July | 4.5 | 12.5 | 25 | 23 | 37 | 77 | |
Sf Ogden | |||||||
Huntsville, Nr | April-July | 25 | 27 | 28 | 50 | 31 | 35 |
June-July | 3.2 | 5.2 | 6.5 | 47 | 9.2 | 13.2 | |
Ogden | |||||||
Pineview Res, Ogden, Nr | April-July | 37 | 39 | 41 | 36 | 49 | 62 |
June-July | 1.5 | 3.5 | 5 | 22 | 13.5 | 26 |
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 | 18.4 | 22 | 24 | 63 | 25 | 26 |
June-July | 6.9 | 11 | 12.2 | 51 | 13.4 | 14.6 | |
Big Cottonwood Ck | |||||||
Salt Lake City, Nr | April-July | 14.7 | 16.2 | 17.4 | 48 | 18.2 | 19.1 |
June-July | 4.5 | 6 | 7.2 | 38 | 8 | 8.9 | |
Mill Ck | |||||||
Salt Lake City, Nr | April-July | 1.7 | 2.1 | 2.5 | 39 | 2.7 | 2.9 |
June-July | 0.25 | 0.65 | 1 | 30 | 1.3 | 1.4 | |
Dell Fk | |||||||
Little Dell Res | April-July | 0.9 | 1 | 1.1 | 19.3 | 1.2 | 1.3 |
June-July | 0.09 | 0.19 | 0.25 | 18.7 | 0.35 | 0.5 | |
Lambs Ck | |||||||
Salt Lake City, Nr | April-July | 1.3 | 1.5 | 1.6 | 31 | 1.8 | 1.9 |
June-July | 0.1 | 0.25 | 0.4 | 17.4 | 0.54 | 0.69 | |
Parleys Ck | |||||||
Salt Lake City, Nr | April-July | 3.2 | 3.7 | 4 | 28 | 4.2 | 4.6 |
June-July | 0.4 | 0.9 | 1.2 | 26 | 1.5 | 1.8 | |
Emigration Ck | |||||||
Salt Lake City, Nr | April-July | 0.7 | 0.8 | 0.8 | 20 | 0.8 | 0.91 |
June-July | 0.09 | 0.19 | 0.19 | 16.7 | 0.19 | 0.3 | |
Red Butte Ck | |||||||
Ft Douglas, At, Salt Lake City, Nr | April-July | 0.29 | 0.34 | 0.39 | 21 | 0.44 | 0.49 |
June-July | 0.05 | 0.1 | 0.15 | 0 | 0.2 | 0.25 | |
City Ck | |||||||
Salt Lake City, Nr | April-July | 2.1 | 2.4 | 2.6 | 34 | 1.8 | 3 |
June-July | 0.65 | 0.95 | 1.2 | 33 | 0.35 | 1.6 | |
S Willow Ck | |||||||
Grantsville, Nr | April-July | 1.2 | 1.2 | 1.3 | 40 | 1.3 | 1.4 |
June-July | 0.62 | 0.62 | 0.63 | 38 | 0.65 | 0.79 |
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 | 11.2 | 13.2 | 14.9 | 22 | 16 | 17.2 |
June-July | 2 | 4 | 5.7 | 24 | 6.8 | 8 | |
Provo | |||||||
Woodland, Nr | April-July | 50 | 57 | 62 | 62 | 66 | 70 |
June-July | 5 | 12 | 17.2 | 37 | 21 | 25 | |
Hailstone, Nr | April-July | 47 | 54 | 61 | 55 | 63 | 67 |
June-July | 7 | 13.5 | 21 | 40 | 23 | 27 | |
Deer Ck Res | April-July | 53 | 60 | 64 | 50 | 69 | 74 |
June-July | 4 | 10.8 | 14.8 | 27 | 19.8 | 25 | |
American Fork | |||||||
American Fork, Nr, Up Pwrplnt, Abv | April-July | 7.2 | 8.4 | 9.2 | 30 | 10.1 | 11.1 |
June-July | 2 | 3.2 | 4 | 22 | 4.9 | 5.9 | |
West Canyon Ck | |||||||
Cedar Fort, Nr | April-July | 0.06 | 0.09 | 0.12 | 6.8 | 0.16 | 0.2 |
June-July | 0.02 | 0.05 | 0.08 | 9.8 | 0.12 | 0.16 | |
Salt Ck | |||||||
Nephi Powerplant Div, Blo | April-July | 0.91 | 1.1 | 1.2 | 14.7 | 1.4 | 1.6 |
June-July | 0.2 | 0.35 | 0.51 | 16.5 | 0.7 | 0.85 | |
Jordan | |||||||
Utah Lake, Provo, Nr | April-July | 146 | 161 | 169 | 52 | 177 | 186 |
June-July | 5 | 20 | 28 | 22 | 36 | 45 |
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 |