WSP12948 - Laserfiche WebLink

Home Browse Search

SOUTH PLATTE RIVER BASIN Streamflow Porecasts - May 1, 2004 ..................................................................=................................................._..........~.. <<__.... Drier ...... ~....-................................-........................................................................................... Future Conditions Wetter .....>> I I .................... Chance Of Exceeding * ...................... ( 90% 70% 50% (Most Probable) 30% 10% I 30-Yr Avg. I (lOOOAP) (lOOOAP) I (lOOOAP) (% AVG.) I (lOOOAP) (lOOOAP) I (lOOOAP) ...._......=......-.....~...........................................1.......................1...........................~......... Antero Reservoir inflow APR-JUL 2.0 3.0 I 3.9 22 I 5.1 7.4 17.5 Spinney Mountain Reservoir inflow APR-JUL 12.4 16.3 I 19.7 35 I 24 31 57 Elevenmile Canyon Reservoir inflow APR-JUL6.0 13.2 I 18.0 31 I 23 30 59 Cheesman Lake inflow APR-JUL 29 35 I 40 35 I 46 56 114 South Platte River at South Platte APR-SEP 61 102 I 130 51 I 158 199 254 Bsar Creek abv Evergreen MAY-SEP 6.3 9.3 I 12.1 53 I 15.8 23 23 Bear Creek at Morrison MAY-SEP 5.8 9.3 I 12.9 48 I 17.8 29 27 Clear Creek at Golden APR-SEP 52 66 I 75 56 I 84 98 134 St. Vrain Creek at Lyons APR-SEP 45 57 I 65 77 I 73 85 84 Boulder Crsek nr Orodell APR-SEP 37 43 I 46 87 I 49 55 53 South Boulder nr Eldorado Spgs APR-SEP 23 30 I 34 74 I 38 45 46 Big Thompson River at mouth nr Drake APR-SEP 59 72 I 81 69 I 90 103 117 CACHE LaPOUDRE at Canyon Mouth APR-SEP 160 195 I 215 78 I 235 270 275 .................................................................................................................................. I I .................................................................................................................................. - Usable I *** Usable Storage *** I Number This Year as % of Capacity I This Last I Watershed of ................. I Year Year Avg I Data Sites Last Yr Average .~......................................................................1......................................................... ANTERO 20.0 0.0 0.0 15.7 I BIG THOMPSON BASIN 7 67 66 BARR LAKE 32.0 19.6 30.6 28.6 I BOULDER CREEK BASIN 5 54 65 BLACK HOLLOW 8.0 2.7 2.0 4.2 I CACHE LA POUDRE BASIN 8 51 56 BOYD LAKE 49.0 30.5 6.1 35.2 I CLEAR CREEK BASIN 4 54 62 cACHE LA POUDRE 10.0 5.2 4.6 8.9 I SAXNT VRAIN BASIN 4 52 52 CARTER 108.9 64.8 96.7 103.0 UPPER SOUTH PLATTE BASIN 15 76 75 CHAMBERS LAKE 9.0 5.8 1.6 3.6 I TOTAL SOUTH PLATTE BASIN 43 60 64 CHEESMAN 79.0 63.6 53.7 64.8 COBB LAKE 34.0 5.2 2.5 14.2 I ELEVEN MILE 97.8 78.9 45.9 96.4 I EMPIRE 38.0 19.9 21.6 33.0 I FOSSIL CREEK 12.0 6.7 9.9 8.1 I GROSS 41.8 17.5 15.1 20.9 I HALLIGAN 6.4 3.4 6.4 4.8 I HORSECREEK 16.0 12.3 8.1 14.5 I HORSETOOTH 149.7 148.9 30.6 123.0 I JACKSON 35.0 23.7 24.1 30.4 I JULESBURG 28.0 18.6 19.7 21.3 I LAKE LOVELAND 14.0 10.6 11. 7 10.1 I LONE ,TREE 9.0 8.9 8.4 7.9 I MARIANO 6.0 2.2 4.7 5.0 I MARSHALL 10.0 8.0 9.5 7.4 I MARSTON 13.0 4.8 12.4 14.5 I MILTON 24.0 18.1 12.3 19.2 I POINT OP ROCKS 70.0 56.1 49.7 69.S I PREWITT 33.0 8.5 12.2 25.9 I RIVERSIDE 63.1 43.0 46.9 57.9 I SPINNEY MOUNTAIN 48.7 17.3 11.9 32.1 STANDLEY 42.0 38.8 26.1 35.3 I TERRY LAKE 8. 0 5 . 7 6 . 0 5 . 7 I UNION 13.0 9.8 7.2 11.7 I WINDSOR 19.0 9.5 4.6 13.6 Porecast Point Porecast Period SOUTH PLATTE RIVER BASIN Reservoir Storage (1000 AP) - End of April Reservoir SOUTH PLATTE RIVER BASIN watershed Snowpack Analysis - May 1, 2004 The average is computed for the 1971-2000 base period. .'..............................................................................................~....................a............. * 90%,70%, 30%, and 10% chances of exceeding are the probabilities that the actual volume will exceed the volumes in the table. (1) - The valUes listed under the 10% and 90% Chance of Exceeding are actually 5% and 95% exceedance levels. (2) - The value is natural volume - actual volume may be affected by upstream water management.