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<br />ARKANSAS RIVER BASIN <br />as of June 1, 2004 <br /> <br />Mountain Snowpack* (inches) <br /> <br />Precipitation- (Yo of average) <br /> <br />-)of- Current ----.-Average <br />-__Maximum -+-Mlnlmum <br /> <br />I_Monthly DYear-lo-date I <br /> <br /> 18 <br /> 16 <br /> 14 <br />.~ 12 <br />.; <br />c <br />. <br />.. 10 <br />.~ <br />, <br />" 8 <br />w <br />" <br />. <br />.. 6 <br />;: <br /> 4 <br /> 2 <br /> 0 <br /> Jan Feb Mar Apr May <br /> <br /> <br />2S0, <br /> <br />- <br />o <br />- <br />c <br />B 100 <br />" <br />. <br />Q. <br /> <br /> <br /> <br />200 <br /> <br />. <br />0> <br />. <br />Qj 150 <br />> <br />~ <br /> <br />Ocl Nav Dee Jan Feb Mar Apr May <br /> <br />-Based on selected stations <br /> <br />After the very wet April that boosted snowpack measurements to near average levels on May I in <br />the Arkansas Basin, warm. extremely dry conditions during May have reduced the snowpack <br />mcasurcments to only 23% of average on June I, Most of the watersheds in the basin have no <br />measurablc snow remaining, The Upper Arkansas Watershed is the only watershed with <br />measurable snow and its mcasurement is only 29% of avcrage, After the Arkansas Basin recorded <br />thc highest monthly percent of average precipitation in the state in April with 209% of the <br />monthly average, the May monthly accumulation was only 21 % of avcrage, Thc water ycar total <br />is now only 90% of avcragc, Reservoir storage has only benefitcd slightly trom thc rapid snow <br />melt in the basin, Storage levels have gone from 53% of average on May I, to 56% of average on <br />June I, There is 39% more storage than last year at this time, Runoff forecasts are best, as a <br />percent ofnonnal, afong the southern tributaries of the Arkansas River, Towards the northern <br />tributaries, forecasted nmoff drops to only about 70% of average, <br />