COLORADO RIVER AT LEES FERRY, AZ Station ID YYMMDD Peak flow (cfs) Gage Ht (ft) 309380000 19210618 220000 26.503 309380000 19220531 116000 19.803 309380000 19230531 98300 17.506 309380000 19240617 76200 15.20 309380000 19250603 54900 13.60 309380000 19260529 86500 16.70 309380000 19270701 127000 20.35 309380000 19280603 115000 19.55 309380000 19290529 114000 18.89 309380000 19300603 73300 15.15 309380000 19310521 34600 12.05 309380000 19320526 102000 18.30 309380000 19330605 82700 16.45 309380000 19340516 25300 11.05 309380000 19350619 105000 18.90 309380000 19360523 76300 16.14 309380000 19370520 84800 16.88 309380000 19380608 101000 18.45 309380000 19390526 49700 13.86 309380000 19400518 47200 13.54 309380000 19410517 120000 20.51 309380000 19420530 92800 17.30 309380000 19430605 68600 15.14 309380000 19440519 94400 17.20 309380000 19450517 64400 14.90 309380000 19460614 50400 13.66 309380000 19470513 80400 16.26 309380000 19480525 92400 17.76 309380000 19490622 119000 20.00 309380000 19500606 60600 14.81 309380000 19510601 67300 15.27 309380000 19520612 123000 21.15 309380000 19530617 69600 15.60 309380000 19540526 34300 12.04 309380000 19550613 35600 12.41 309380000 19560606 69600 15.68 309380000 19570612 126000 21.14 309380000 19580601 105600 19.00 309380000 19590619 38900 12.53 309380000 19600608 46700 13.43 309380000 19610605 40200 12.78 309380000 19620516 85000 17.22 309380000 19621021 19200 10.08 309380000 19640428 20200 10.34 309380000 19650615 60200 15.02 309380000 19660503 21100 10.92 309380000 19670419 22500 11.10 309380000 19680719 26800 11.73 309380000 19690828 26100 11.63 309380000 19700826 27300 11.70 309380000 19710405 28700 11.94 309380000 19720712 30600 12.06 309380000 19730328 31000 12.06 309380000 19740102 27700 11.68 309380000 19750507 28400 11.79 309380000 19760519 27100 11.60 309380000 19770907 29000 11.88 309380000 19780123 28400 11.80 309380000 19790129 28600 11.82 309380000 19800624 44800 13.87 309380000 19810720 25900 11.42 309380000 19820525 29700 11.98 309380000 19830629 97300 18.14 309380000 19840812 58200 15.18 309380000 19850602 47900 14.09 309380000 19860513 53200 14.50 309380000 19861203 31500 12.21 309380000 19880728 27100 11.73 309380000 19890828 28400 11.91 309380000 19900731 29500 11.95 309380000 19910617 29500 11.95 309380000 19920814 18700 10.45 309380000 19930816 19900 10.55 309380000 19940817 22200 10.92 309380000 19950601 20100 10.66 309380000 19960329 45900 13.97 309380000 19970612 27100 11.68 309380000 19971104 30800 12.12 309380000 19990920 25100 11.35 309380000 20000907 31100 12.15 309380000 20010507 20300 10.61 309380000 20020807 19000 10.39 309380000 20030202 20300 10.62 309380000 20040105 20900 10.71 309380000 20041122 42500 13.55 309380000 20060830 18800 10.37 309380000 20070723 18600 10.38 309380000 20080306 42800 13.59 309380000 20090720 17600 10.16 309380000 20100101 19200 10.43