![]() | 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 | 118 | 123 | 130 | 116 | 137 | 149 |
May-July | 110 | 115 | 121 | 116 | 129 | 141 | |
Woodruff Narrows Rsvr, Abv | April-July | 127 | 132 | 142 | 117 | 150 | 170 |
May-July | 95 | 100 | 111 | 106 | 118 | 138 | |
Montpelier, Nr, Stewart Dam, Blo * | April-July | 136 | 150 | 161 | 88 | 185 | 220 |
May-July | 98 | 112 | 123 | 85 | 147 | 182 | |
Smiths Fork | |||||||
Border, Nr | April-July | 65 | 72 | 76 | 85 | 80 | 88 |
May-July | 56 | 63 | 67 | 84 | 71 | 79 | |
Logan | |||||||
Logan, Nr, State Dam, Abv | April-July | 115 | 121 | 125 | 113 | 128 | 140 |
May-July | 99 | 105 | 109 | 114 | 112 | 124 | |
Blacksmith Fork | |||||||
Hyrum, Nr, Upnl Dam, Abv | April-July | 56 | 62 | 64 | 149 | 67 | 74 |
May-July | 40 | 46 | 48 | 155 | 51 | 58 | |
Little Bear | |||||||
Paradise | April-July | 54 | 57 | 59 | 126 | 63 | 74 |
May-July | 31 | 34 | 36 | 113 | 40 | 51 |
Forecast Period | 90% Exceedance Volume | 70% Exceedance Volume | 50% Exceedance Volume | Percent Average | 30% Exceedance Volume | 10% Exceedance Volume | |
Weber | |||||||
Oakley, Nr | April-July | 115 | 121 | 134 | 114 | 138 | 146 |
May-July | 102 | 108 | 121 | 114 | 125 | 133 | |
Rockport Res, Wanship, Nr | April-July | 135 | 141 | 151 | 114 | 156 | 174 |
May-July | 110 | 116 | 126 | 112 | 131 | 149 | |
Coalville, Nr | April-July | 142 | 149 | 158 | 118 | 164 | 183 |
May-July | 112 | 119 | 128 | 113 | 134 | 153 | |
Chalk Ck | |||||||
Coalville | April-July | 46 | 47 | 51 | 124 | 58 | 65 |
May-July | 36 | 37 | 41 | 121 | 48 | 55 | |
Weber | |||||||
Echo Reservoir, Echo, At | April-July | 188 | 194 | 210 | 123 | 220 | 250 |
May-July | 148 | 154 | 170 | 119 | 182 | 210 | |
Lost Ck | |||||||
Lost Ck Reservoir, Croyden, Nr | April-July | 18.1 | 19.6 | 20 | 149 | 22 | 27 |
May-July | 11 | 12.5 | 13 | 135 | 14.6 | 19.5 | |
East Canyon Ck | |||||||
East Canyon Reservoir, Morgan, Nr | April-July | 36 | 38 | 40 | 148 | 42 | 47 |
May-July | 21 | 23 | 25 | 132 | 27 | 32 | |
Weber | |||||||
Gateway | April-July | 410 | 430 | 445 | 137 | 470 | 545 |
May-July | 275 | 295 | 310 | 127 | 335 | 410 | |
Sf Ogden | |||||||
Huntsville, Nr | April-July | 81 | 85 | 88 | 157 | 95 | 110 |
May-July | 52 | 56 | 59 | 148 | 66 | 81 | |
Ogden | |||||||
Pineview Reservoir, Ogden, Nr | April-July | 170 | 178 | 184 | 163 | 195 | 225 |
May-July | 95 | 103 | 109 | 149 | 120 | 148 |
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 | 44 | 47 | 49 | 129 | 51 | 55 |
May-July | 41 | 44 | 46 | 131 | 48 | 52 | |
Big Cottonwood Ck | |||||||
Salt Lake City, Nr | April-July | 38 | 41 | 43 | 119 | 47 | 51 |
May-July | 33 | 36 | 38 | 119 | 42 | 46 | |
Mill Ck | |||||||
Salt Lake City, Nr | April-July | 5.4 | 6.1 | 6.8 | 106 | 7.1 | 7.8 |
May-July | 4.3 | 5 | 5.7 | 106 | 6 | 6.7 | |
Dell Fk | |||||||
Little Dell Reservoir | April-July | 6.1 | 6.5 | 6.9 | 125 | 7.3 | 8.3 |
May-July | 4 | 4.4 | 4.8 | 123 | 5.2 | 6.2 | |
Lambs Ck | |||||||
Salt Lake City, Nr | April-July | 6.2 | 6.8 | 7.1 | 134 | 7.5 | 8.5 |
May-July | 4.4 | 5 | 5.3 | 126 | 5.7 | 6.7 | |
Parleys Ck | |||||||
Salt Lake City, Nr | April-July | 13.8 | 17 | 18.2 | 128 | 19.3 | 22 |
May-July | 8 | 11.2 | 12.4 | 117 | 13.5 | 15.9 | |
Emigration Ck | |||||||
Salt Lake City, Nr | April-July | 3.6 | 4 | 4.3 | 108 | 4.8 | 5.4 |
May-July | 1.5 | 1.9 | 2.2 | 81 | 2.7 | 3.3 | |
Red Butte Ck | |||||||
Ft Douglas, At, Salt Lake City, Nr | April-July | 2 | 2.2 | 2.4 | 126 | 2.6 | 2.8 |
May-July | 1.1 | 1.3 | 1.5 | 0 | 1.7 | 1.9 | |
City Ck | |||||||
Salt Lake City, Nr | April-July | 7.3 | 8 | 8.5 | 110 | 9.1 | 9.9 |
May-July | 6 | 6.7 | 7.2 | 111 | 7.8 | 8.6 | |
S Willow Ck | |||||||
Grantsville, Nr | April-July | 2.7 | 3.2 | 3.6 | 116 | 3.9 | 4.4 |
May-July | 1.6 | 2.1 | 2.5 | 93 | 2.8 | 3.3 |
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 | 101 | 114 | 119 | 172 | 124 | 137 |
May-July | 72 | 85 | 90 | 167 | 95 | 108 | |
Provo | |||||||
Woodland, Nr | April-July | 104 | 118 | 123 | 123 | 131 | 140 |
May-July | 89 | 103 | 108 | 121 | 116 | 125 | |
Hailstone, Nr | April-July | 121 | 134 | 138 | 125 | 148 | 157 |
May-July | 100 | 113 | 117 | 121 | 127 | 136 | |
Deer Ck Reservoir | April-July | 152 | 169 | 177 | 139 | 190 | 199 |
May-July | 120 | 137 | 145 | 139 | 158 | 167 | |
American Fork | |||||||
American Fork, Nr, Up Pwrplnt, Abv | April-July | 37 | 41 | 43 | 139 | 45 | 49 |
May-July | 34 | 38 | 40 | 143 | 42 | 46 | |
West Canyon Ck | |||||||
Cedar Fort, Nr | April-July | 2 | 2.5 | 2.8 | 159 | 3.1 | 4.1 |
May-July | 1.6 | 2.1 | 2.4 | 156 | 2.7 | 3.7 | |
Salt Ck | |||||||
Nephi Powerplant Div, Blo | April-July | 19.4 | 23 | 25 | 301 | 26 | 30 |
May-July | 15 | 19 | 21 | 318 | 22 | 26 | |
Jordan | |||||||
Utah Lake, Provo, Nr | April-July | 425 | 475 | 505 | 155 | 535 | 585 |
May-July | 320 | 350 | 380 | 152 | 410 | 460 |
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 |