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<br />APRIL-JULY <br />WI 1970 <br />VIRGIN 1970 <br /> <br />6.7 MAF <br />10.0 MAF <br />12.6 MAF <br /> <br />81% (1906-68) <br /> <br /> <br />I: f. ,". ~ 1 <br />uvJ..0~- <br /> <br />. <br /> <br />. <br /> <br />., <br /> <br />REPORT OF BUREAU OF RECLAMATION TO COLORADO <br />WATER CONSERVATION BOARD, DENVER, COLORADO <br />APRIL 1, 1970 <br /> <br />RESERVOIR OPERATIONS <br /> <br />I. WATER OUTLOOK IN GENERAL <br /> <br />Ao PRECIPITATION <br /> <br />10 VERY DEFICIENT DURING MONTH OF FEBRUARY <br /> <br />a. THE OCTOBER THROUGH FEBRUARY PRECIPITATION OVER THE <br />BASIN <br /> <br />(1) 114% OF NORMAL--COLORADO RIVER ABOVE CISCO, UTAH <br />(2) 79% OF NORMAL--GREEN RIVER ABOVE GREEN RIVER, UTAH <br />(3) 78% OF NORMAL--SAN JUAN RIVER ABOVE BLUFF, UTAH <br /> <br />Bo MARCH 1 SNOW COURSE MEASUREMENTS THROUGHOUT THE BASIN VARY FROM <br />110 PERCENT ON THE COLORADO RIVER ABOVE CISCO TO A LOW OF 68 <br />PERCENT IN THE HEADWATERS OF THE SAN JUAN RIVER <br /> <br />Co MARCH 1 FORECAST OF RUNOFF FROM BASIN ABOVE GLEN CANYON DAM <br /> <br />Do MARCH STORM PATTERN NEAR NORMAL <br /> <br />1. INDEX STATIONS SHOW 75% OF THE FULL MONTH PRECIPITATION <br />HAS OCCURRED IN THE FIRST 22 DAYS <br /> <br />a. MARCH 1 THROUGH 4--HEAVY IN SAN JUAN WITH LIGHT AMOUNTS <br />IN CENTRAL PART <br /> <br />b. MARCH 10 THROUGH 12--MODERATE AMOUNTS IN SAN JUAN AND <br />CENTRAL PART <br /> <br />c. MARCH 15 THROUGH 18--HEAVY IN CENTRAL PART WITH LIGHT <br />AMOUNTS IN NORTHERN PART <br />