![]() | 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 | 126 | 138 | 140 | 125 | 145 | 152 |
June-July | 83 | 95 | 97 | 147 | 102 | 109 | |
Woodruff Narrows Rsvr, Abv | April-July | 127 | 142 | 146 | 121 | 150 | 158 |
June-July | 60 | 75 | 79 | 139 | 83 | 91 | |
Montpelier, Nr, Stewart Dam, Blo * | April-July | 137 | 160 | 163 | 90 | 169 | 200 |
June-July | 51 | 74 | 77 | 85 | 83 | 114 | |
Smiths Fork | |||||||
Border, Nr | April-July | 77 | 83 | 84 | 94 | 87 | 92 |
June-July | 44 | 50 | 51 | 102 | 54 | 59 | |
Logan | |||||||
Logan, Nr, State Dam, Abv | April-July | 103 | 113 | 117 | 105 | 119 | 130 |
June-July | 57 | 67 | 71 | 116 | 73 | 84 | |
Blacksmith Fork | |||||||
Hyrum, Nr, Upnl Dam, Abv | April-July | 49 | 54 | 56 | 130 | 55 | 59 |
June-July | 18 | 23 | 25 | 154 | 24 | 28 | |
Little Bear | |||||||
Paradise | April-July | 56 | 59 | 62 | 132 | 62 | 66 |
June-July | 12.2 | 14.8 | 17.5 | 151 | 17.8 | 22 |
Forecast Period | 90% Exceedance Volume | 70% Exceedance Volume | 50% Exceedance Volume | Percent Average | 30% Exceedance Volume | 10% Exceedance Volume | |
Weber | |||||||
Oakley, Nr | April-July | 121 | 128 | 132 | 112 | 140 | 154 |
June-July | 75 | 82 | 86 | 134 | 94 | 108 | |
Rockport Res, Wanship, Nr | April-July | 138 | 148 | 153 | 116 | 163 | 181 |
June-July | 73 | 83 | 88 | 138 | 98 | 116 | |
Coalville, Nr | April-July | 147 | 158 | 161 | 120 | 172 | 190 |
June-July | 73 | 84 | 87 | 138 | 98 | 116 | |
Chalk Ck | |||||||
Coalville | April-July | 47 | 50 | 51 | 124 | 55 | 60 |
June-July | 18.8 | 22 | 23 | 146 | 27 | 32 | |
Weber | |||||||
Echo Reservoir, Echo, At | April-July | 190 | 200 | 205 | 120 | 225 | 245 |
June-July | 90 | 100 | 106 | 141 | 124 | 147 | |
Lost Ck | |||||||
Lost Ck Reservoir, Croyden, Nr | April-July | 16.8 | 17.6 | 17.7 | 132 | 18.6 | 19.8 |
June-July | 2 | 2.8 | 2.9 | 100 | 3.8 | 5 | |
East Canyon Ck | |||||||
East Canyon Reservoir, Morgan, Nr | April-July | 34 | 35 | 36 | 133 | 38 | 40 |
June-July | 7.9 | 9.2 | 10.5 | 125 | 11.9 | 14.3 | |
Weber | |||||||
Gateway | April-July | 410 | 430 | 440 | 135 | 465 | 485 |
June-July | 135 | 155 | 162 | 147 | 188 | 210 | |
Sf Ogden | |||||||
Huntsville, Nr | April-July | 71 | 78 | 81 | 145 | 85 | 86 |
June-July | 12 | 19 | 22 | 158 | 26 | 27 | |
Ogden | |||||||
Pineview Reservoir, Ogden, Nr | April-July | 168 | 176 | 177 | 157 | 185 | 195 |
June-July | 30 | 38 | 39 | 170 | 47 | 57 |
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 | 45 | 49 | 51 | 134 | 54 | 56 |
June-July | 32 | 36 | 38 | 158 | 41 | 43 | |
Big Cottonwood Ck | |||||||
Salt Lake City, Nr | April-July | 38 | 42 | 45 | 125 | 47 | 49 |
June-July | 22 | 26 | 29 | 151 | 31 | 33 | |
Mill Ck | |||||||
Salt Lake City, Nr | April-July | 5.4 | 5.9 | 6.5 | 102 | 7 | 7.3 |
June-July | 2.6 | 3.1 | 3.7 | 112 | 4.2 | 4.5 | |
Dell Fk | |||||||
Little Dell Reservoir | April-July | 5 | 5.4 | 6 | 109 | 6.2 | 6.5 |
June-July | 0.5 | 0.9 | 1.5 | 112 | 1.7 | 2 | |
Lambs Ck | |||||||
Salt Lake City, Nr | April-July | 6.5 | 6.9 | 7.2 | 136 | 7.5 | 8.2 |
June-July | 2.2 | 2.6 | 2.9 | 126 | 3.2 | 3.9 | |
Parleys Ck | |||||||
Salt Lake City, Nr | April-July | 15.1 | 17.4 | 19.3 | 136 | 21 | 23 |
June-July | 1.6 | 3.8 | 5.7 | 121 | 7.2 | 9 | |
Emigration Ck | |||||||
Salt Lake City, Nr | April-July | 3.2 | 3.6 | 4.1 | 103 | 4.6 | 5.1 |
June-July | 0.5 | 0.9 | 1.4 | 123 | 1.9 | 2.4 | |
Red Butte Ck | |||||||
Ft Douglas, At, Salt Lake City, Nr | April-July | 1.7 | 1.9 | 2.1 | 111 | 2.2 | 2.4 |
June-July | 0.2 | 0.4 | 0.54 | 0 | 0.65 | 0.85 | |
City Ck | |||||||
Salt Lake City, Nr | April-July | 7.6 | 8.3 | 8.8 | 114 | 9.4 | 10.2 |
June-July | 3.6 | 4.3 | 4.8 | 133 | 5.4 | 6.2 | |
S Willow Ck | |||||||
Grantsville, Nr | April-July | 3 | 3.4 | 3.8 | 123 | 4 | 4.5 |
June-July | 1.1 | 1.5 | 1.9 | 113 | 2.1 | 2.6 |
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 | 106 | 119 | 126 | 183 | 133 | 142 |
June-July | 27 | 40 | 47 | 196 | 54 | 63 | |
Provo | |||||||
Woodland, Nr | April-July | 116 | 126 | 138 | 138 | 144 | 151 |
June-July | 65 | 75 | 87 | 185 | 93 | 100 | |
Hailstone, Nr | April-July | 135 | 145 | 154 | 140 | 161 | 169 |
June-July | 70 | 80 | 89 | 171 | 96 | 104 | |
Deer Ck Reservoir | April-July | 167 | 178 | 188 | 148 | 198 | 210 |
June-July | 84 | 95 | 105 | 191 | 115 | 125 | |
American Fork | |||||||
American Fork, Nr, Up Pwrplnt, Abv | April-July | 38 | 43 | 46 | 148 | 48 | 50 |
June-July | 25 | 30 | 33 | 182 | 35 | 37 | |
West Canyon Ck | |||||||
Cedar Fort, Nr | April-July | 3 | 3.3 | 3.5 | 199 | 3.7 | 4 |
June-July | 1.6 | 1.9 | 2.1 | 256 | 2.3 | 2.6 | |
Salt Ck | |||||||
Nephi Powerplant Div, Blo | April-July | 15.5 | 18.5 | 20 | 241 | 22 | 24 |
June-July | 6 | 9 | 10.5 | 339 | 12.5 | 14.5 | |
Jordan | |||||||
Utah Lake, Provo, Nr | April-July | 510 | 580 | 610 | 188 | 635 | 680 |
June-July | 160 | 230 | 260 | 205 | 285 | 330 |
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 |